Jerry Robinette, Senior Engineer, Propulsion, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate, One Crown Center, 1895 Phoenix Blvd., Suite 450, Atlanta, GA 30349; telephone: (770) 703-6096, fax: (770) 703-6097. Both Lycoming and Continental express concerns about prop-strikes causing damage to the rear of the crank in the vicinity of the rear radius of the oil slinger, which can be shoved back into the case rear. 00-29496 Filed 11-24-00; 8:45 am], updated on 4:15 PM on Tuesday, January 17, 2023, updated on 8:45 AM on Tuesday, January 17, 2023, 142 documents Commenters wishing the FAA to acknowledge receipt of their comments submitted in response to this notice must submit a self-addressed, stamped postcard on which the following statement is made: Comments to Docket Number 2000-NE-16-AD. The postcard will be date stamped and returned to the commenter. The AD specifies the inspection at each engine overhaul, after a propeller strike, sudden stoppage, or whenever gear train repair is required. Comments may also be sent via the Internet using the following address: 9-ane-adcomment@faa.gov. Comments sent via the Internet must contain the docket number in the subject line. the most are "prop strike." Posted at 11:12h in don franklin oil change somerset ky by royal The actions specified by this AD are intended to prevent fracture of the crankshaft connecting rod journal, which could result in total engine power loss, in-flight engine failure and possible forced landing. on Some elbow room? This year's numbers have placed us in the top 10, highlighting another strong year of property development. A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part I, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. Each document posted on the site includes a link to the The FAA definition of a sudden stoppage, is the engine stopping suddenly in under one rpm. Most insurance carriers don't want to face the prospect of the engine or propeller leaving the aircraft due to a prop strike!". Another thing to look for in the logs is a prolonged period of inactivity, such as years between annual inspections and oil changes. And two, "The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. The Public Inspection page may also documents in the last year, 534 Well, for one i dont think i want to take out any of the clubs planes ever again. SUMMARY: The FAA is adopting a new airworthiness directive (AD) that supersedes an existing AD, for Lycoming Engines (formerly Textron Lycoming), direct-drive As for dialing the flange, he said TCM nitrides the crank so checking the run-out of the flange is a waste of time. They are often ignored in the prop-strike evaluation, yet they have prescribed inspection criteria even if involved in only a sudden stoppage. and services, go to Nitride hardened cranks have a greater tendency to crack, since the nitride hardened materials resist bending. (2) Any incident during engine operation in which the propeller impacts a solid object that causes a drop in revolutions per minute (RPM) and also requires structural repair of the propeller (incidents requiring only paint touch-up are not included). This condition, if not corrected, could result in crankshaft connecting rod journal fracture, which could result in total engine power loss, in-flight engine failure and possible forced landing. The actions are required to be accomplished in accordance with the service bulletin described previously. You could identify its sound with your eyes closed. I've heard that a Continental doesn't require a tear 12866. 2023 Aircraft Owners and Pilots Association, Better Together: Industry Resources Help Improve Aviation Safety. documents in the last year, 973 There used to be, but it was kind of informal and there was a lot open to interpretation. If you've attended AirVenture or any of the other major airshows, you've heard it. Other Lycoming literature mentions the importance to check the accessories as does TCM. Use the PDF linked in the document sidebar for the official electronic format. My investigation started with my need for another engine for my Cessna 210. The thought of the damage and cost involved makes all of us shudder. 2 Blade Continental O-200/Lycoming O-235 Ground Adjustable STOL Propeller $ 74CK $ 76AK-2 $ FIND A DEALER NEAR YOU. continental prop strike ad continental prop strike ad. Even with a small engine that is generating say, 150 horsepower; if that power just suddenly stops, the torque from the engine has to be dissipated somewhere. Aircraft was involved in a prop strike. Any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM, such as propeller strikes against the ground or any object can cause engine and component damage even though the propeller may continue to rotate. 533 called "Recommendations Regarding Accidental Engine Stoppage, Propeller/Rotor Strike or Loss of Propeller/Rotor Blade or Tip.". I took the other SR20 this time and it was also broken, to the point where it shouldn't have been flown. The President of the United States manages the operations of the Executive branch of Government through Executive orders. FAA# JL4R288M | EASA.145.4115 | Toll Free: 800-282-3202 | 954-970-3200 The answer is yes, you can ignore the directive to the same degree that any one who operates under Part 91 does with any other service directive without the force of an AD behind it. The concern, of course, is the prospect of hidden damage, which can cause, and has caused, subsequent engine failures. has no substantive legal effect. (2) Any incident during engine operation in which the propeller impacts a solid object that causes a Document page views are updated periodically throughout the day and are cumulative counts for this document. The President of the United States communicates information on holidays, commemorations, special observances, trade, and policy through Proclamations. He continues, "T.C.M. Studies have shown that a 100-amp alternator can impose a. Before I got to that, as you'd expect from a group of pilots and mechanics, arguments in my owner's group raged about the wording. But what is a prop strike and what exactly are the ramifications? Located in Burlington, North Carolina, we provide an array of aircraft maintenance services, including engine, cylinder, and propeller overhaul and repair. ", Director of Maintenance: "If you have to ask, it requires engine tear-down and inspection.". That engine may be a time bomb, and an illegal one if the data plate is still on the engine, as after some mods it no longer qualifies as a certified engine, and may not be economically able to be recertified, depending on what was done to it. Say the engine is turning only 1000 rpm, barely above an idle. Continental Motors states: A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set Its also important to point out that this is not the only Lycoming bulletinthat discusses prop strikes. Without even trying, the FAA did what hasn't been done since 9/11: It cleared the airspace of commercial traffic. Below are three important links from the FAA, Lycoming, and Teledyne Continental regarding the definition of a Prop Strike and sudden stoppage. In all the years his company has been overhauling engines, Tunnel said, most of the time his company doesn't find damage directly attributable to the prop strike, but it does find other things that are wrong. That said, you'll understand that this article isn't going to state, or even hint at, what you should do in this situation. They were legitimate, having been initiated after an inspection, but that doesn't help when selling the airplane. Information about this document as published in the Federal Register. Its entirely possible after a sudden engine stoppage for there to be severe internal damage and yet the prop looks perfectly OK even if the prop was either totally stopped or the rpm dropped by the incident. dont do it. Continued evaluation of crankshafts lots with serial numbers (SN's) other than those that were listed in AD 2000-08-51, has detected the same condition in those crankshaft lots. The service information referenced in this AD may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on In addition, propeller strikes also include situations where an aircraft is DeJoris explains, "Take for example the prop governor drive the rotating mass in the prop governor, mainly the flyweight assembly can really be problem if suddenly stopped. Talking about whether to have the engine overhauled or just inspected, Tunnel said it can be penciled out. Its not a smoking gun, but perusing the accident reports makes one wonder about such coincidences. Prop strike. These two words are guaranteed to make any pilot wince. Factory New & Factory Rebuilt Gasoline Engines +1.251.436.8101 08:00 - 17:00 Gasoline Engine Overhauls & MRO +1.251.990.5080 08:00 - 17:00 Technical Support (AvGas & Highly stressed connecting rod bolts also take a beating from a prop-strike, which can cause a slight stretch. For complete information about, and access to, our official publications It pretty much echoes the TCM service bulletin but adds two other situations. Got a nick on your prop? He used a football analogy of a player who can be brutally tackled and get right up, then trip over a bucket and break his leg. Note the recurring theme of the loss of rpm or sudden stoppage of the engine runs as a key criteria for an internal inspection among the makers as well as the FAA. Do we think the engine makers are overly eager to have you tear down or dig into your engine? After finding out the answer to these questions, its time to discuss with your insurance company what it will pay for and what it wont, before its a big surprise after the inspection is done. Conditions which surround accidents are many and varied; therefore the circumstances of the accident can not, in our opinion, be used to predict the extent of the damage to the engine or assure its future reliability. If it has, and there's no indication in the engine logs about a teardown and inspection, it's time for a long explanation from the seller. A Textron Lycoming engine, that is being operated on a Part 91 aircraft, that had a sudden engine stoppage, not a propeller strike, must comply with AD 91-14-22 and Service Bulletin 475B at a minimum. Since a situation exists that requires the immediate adoption of this regulation, it is found that notice and opportunity for prior public comment hereon are impracticable, and that good cause exists for making this amendment effective in less than 30 days. documents in the last year. The deffination of a prop strike is different on Lycomings than Continentals, Lycoming says any time a prop strikes any thing that will cause a loss of RPM it is a prop strike. on FederalRegister.gov The general consensus is that at least some degree of tear-down is the only safe option under their definition, and largely follows manufacturer data in the general damage/repair evaluation techniques. on I wouldn't skimp on safety, but if I could save a few dollars on cosmetics, I sure would. The alternator is turning 3000 rpm because of gearing. Lycoming makes the point that an overstressed crankshaft gear dowel pin can ultimately shear, causing all power to be lost. There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty. Dye Penetrant test didn't show any cracks on the flange, runout is .001 which is well within tolerance. To start my investigation, I wanted the official definition of a prop strike. No more filing blades a bit shorter after a tip strike, or performing a run-up and signing off on an engine after the runway lights have been mowed a bit shorter. In this Issue, Documents For engines that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (d) of this AD. Or it was known to have been used on a plane that crashed or was somehow damaged or is missing a complete set of engine logs or some parts. (a) For those engines and crankshafts listed by SN in TCM MSB 00-5C, dated October 10, 2000, do the crankshaft material inspection (crankshaft propeller flange core sample) as follows: The engine SN's listed in TCM MSB 00-5C contain only the numerical portion of the SN. As for whether the inspection should be done, Anderson said he couldn't answer for anyone but himself; however, he wouldn't hesitate if it were his engine. New posts Search forums. Comments are specifically invited on the overall regulatory, economic, environmental, and energy aspects of the rule that might suggest a need to modify the rule. Also, some engines with a gear-driven alternator have a large, relatively thin and very vulnerable gear bolted to the forward end of the crankshaft. are not part of the published document itself. documents in the last year, by the Veterans Affairs Department offers a preview of documents scheduled to appear in the next day's Kennedy Airport Jetliner Aborts Takeoff To Avoid Another Jet Crossing Runway, FAA Says; Agency Investigating, FAA Releases Audio From Deadly Wings Over Dallas Air Show Crash Between Air Boss, Pilots, Year-End Surge Boosts Boeing, but Airbus Still No. (j) The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. The rationale for this hub retirement criteria revolves around the fact that forces great enough to bend blades beyond their respective repair limits represent loads that are in excess of those that the hubs were designed to withstand, while providing sufficient structural safety margins.". This can cause major internal engine damage without visible prop damage. According to the salvage yard, the prop strike came about after an out-of-fuel landing on a road in Louisiana. certain lots, of steel production or forming operations. Crankshafts with this type of subsurface defect will fail. Steve Panagotacos of ProCraft Aviation, a major repair facility at Corona Municipal Airport, said to look for wrinkles in the firewall or Cherry Max rivets in the fuselage, two sure signs of an accident. Dealing with them on this issue is fodder for another article, however. This damage can result in catastrophic engine failure. Interested persons are invited to comment on this rule by submitting such written data, views, or arguments as they may desire. Thread starter kevmor99; Start date Sep 28, 2016; K. kevmor99 It turned out to be a salvage shop and the owner confirmed that the logs for the engine were available, and the crank had been dialed, and found to be OK. Dialing checks the run-out, which is the amount of movement at the flange when the crank is rotated. documents in the last year, 1487 karen rietz baldwin; hidden valley high Per the Lycoming website it is still an active bulletin, which we quote in part as follows: (It has all the same definitions found in AD 2004-10-14 that we printed in italics but has additional information): FAA Partners With Korea On Advanced Air Mobility, Guest Blog: Why Aircraft Engines Should Be Hard To Start, Southwest: The Ghost Of Jack Welch Part II, And Now, A ChatBot For All Your Aviation Questions, Best Of The Web: How The Rolls-Royce Merlin Became A World, Best Of The Web: Why Wingsuits Are Flight As Pure As, General Aviation Accident Bulletin, January 16, 2023, Top Letters And Comments, January 13, 2023, National Museum Of The U.S. Air Force Celebrates 100 Years, WAI Announces 2023 International Pioneer Hall of Fame Inductees, FAA To Expand Safety Management Systems Requirements, $10 Million Approved For Unleaded Avgas Evaluation, Garmin Wins FAA Nod For GFC 500 Autopilot Trim-Issue Fix, FAA Deletes Foreign Information From Sectionals, Ligado Facing Bankruptcy According To Lawsuit. For DeJoris, who deals with propeller strike issues quite frequently says, "We recently had a customer with a prop strike who struck a steel stake that cut 1/4-inch of the tip off one blade of a three bladed prop. (2) After obtaining the results of the core sample evaluation, disposition the crankshaft as follows: (i) If TCM notifies you that the crankshaft is not serviceable, replace the crankshaft with a serviceable crankshaft of the same part number before further flight. The accident was recorded on video and available on the Internet. All crankshafts that are found to be unserviceable must be replaced with a serviceable crankshaft prior to further flight. Submit comments in triplicate to the Federal Aviation Administration (FAA), New England Region, Office of the Regional Counsel, Attention: Rules Docket No. Still others will only pay for the labor to do the job and will not pay for any parts. Copies may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on the TCM internet site www.tcmlink.com. the official SGML-based PDF version on govinfo.gov, those relying on it for Unfortunately, it had experienced a prop strike. AOPA Members DO more LEARN more SAVE more - Get MORE out of being a pilot -. Lycoming is particularly concerned with this area and outlines specific inspection criteria with the force of AD 2004-10-14 to support their bulletin SB 475C depending on engine model. What you see in the pictures is what you are getting. AD/PROP/1 Amdt 2 (continued) Page 6 of 9 HOFFMAN (continued) Continental IO-346 engines 1000 All other Fixed Pitch Types 2000 Flottorp storage, overspeed, ground strike or aerobatic requirements refer mt-propeller Service Bulletin 1 Revision X. regulatory information on FederalRegister.gov with the objective of This is a minor or major prop repair issue, but not a potential engine tear down issue. Refer McCauley Service Bulletin 137W. Putting the puzzle together Per the Lycoming website it is still an active bulletin, which we quote in part as follows: On numerous occasions Textron Lycoming has been consulted about recommendations on whether to continue using an aircraft engine that has been involved in the separation of the propeller/rotor blade from the hub, the loss of a propeller/rotor blade tip or sudden stoppage following accidental propeller/rotor damage (such as propeller/rotor strike). Fish and Wildlife Service Headquarters, Fora Area Brasileira FAB Comando da Aeronutica (Brazilian Air Force), Establishing the President's Advisory Council on African Diaspora Engagement in the United States, https://www.federalregister.gov/d/00-29496, MODS: Government Publishing Office metadata. Well discuss that distinction and exempt engines later in this article. For those engines that were overhauled in the field with factory new crankshafts, the crankshaft SN should be shown in work orders, log books or other maintenance records. These cases should be handled as sudden stoppages because of potentially severe side loading on the crankshaft flange, front bearing, and seal.". This document has been published in the Federal Register. This airworthiness directive (AD) applies to each engine identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. Sure, some of these arguments are specious, but the point is, there's a lot of gray area, and this can cause many incidents to be ignored. On Lycoming engines, which are not nitrided, the flange can be bent. This feature is not available for this document. The engine makers seem to agree quite strongly as does the FAA. A full overhaul will cost about $12,500 plus accessories. The flange will break before it bends. I watched the video and figured the pilot had reduced power before hitting the ditch. All comments submitted will be available, both before and after the closing date for comments, in the Rules Docket for examination by interested persons. Open for Comment, Interstate Electric Transmission Facilities, Economic Sanctions & Foreign Assets Control, U.S. These can be useful The following was overheard recently at a maintenance facility after a very irritable looking pilot walked in with a look of embarrassment on his face. 1 in 2022, Southwest To Build Aircraft Hangar, Create 100 Jobs at Reid Airport, Boeing, United Airlines Finalize 737 MAX and 787 Order, Including Record Purchase for 100 Dreamliners. What this all boils down to is that in the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the FARs, it is up to the inspecting mechanic to determine if the engine should continue in service without total disassembly and inspection, or only the SB 475C level of inspection if a Lycoming engine falls into that category. This may seem to contradict itself since sudden stoppage is mentioned earlier in the AD in the prop strike-definitions section, but thats the way it is written with an orientation to certain types of direct drive Lycoming engines, with only Lycoming O-145, O-320H, O-360E, LO-360E, LTO-360E,O-435, and TIO-541 series engines being exempt. "It" 2023 Aviation Publishing Group. If you have only 100 hours left before TBO, paying for an inspection and then doing it over again in a year are silly. All rights reserved. K. kevmor99. Copies may be inspected at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. It also does not equivocate to any degree on an engine tear down being the mandatory procedure, which is described in the bulletin. Years ago, everyone would have filed off the other blades and not thought twice about it, but today, this engine disassembly requirement and prop inspection and repair ended up costing the owner around $5,000. I took the ad to an engine overhaul shop, Corona Cylinder and Engine Overhaul in Corona, California, and had the owner, Joe Anderson, call the person selling the engine. One of the issues that is particularly hard to quantify if you elect not to tear an engine down, post strike and choose to disregard the fairly specific diagnostic procedures that the engine makers put out is do you have the FAA legal option of ignoring the service directives? Crankshafts with this type of subsurface defect will fail crankshafts that are to. Did n't show any cracks on the flange, runout is.001 which is well within.... Other major airshows, you 've heard that a Continental does n't require a tear.. Nitrided, the flange can be bent is turning 3000 rpm because of gearing engine down. Interstate Electric Transmission Facilities, Economic Sanctions & Foreign Assets Control, U.S this document as published in the sidebar! Association, Better Together: Industry Resources Help Improve Aviation Safety the importance to the... The importance to check the accessories as does TCM Industry Resources Help Improve Aviation.... Its not a smoking gun, but perusing the accident reports makes one wonder about such coincidences which is in! Returned to the commenter flange can be bent evaluation, yet they have prescribed inspection criteria even if involved only. Inspection criteria even if involved in only a sudden stoppage agree quite strongly as does TCM accordance... Crankshafts with this type of subsurface defect will fail and returned to the commenter Maintenance... Only a sudden stoppage show any cracks on the Internet makes the point where it should n't been... According to the salvage yard, the flange, runout is.001 which is well tolerance... Trade, and Teledyne Continental Regarding the definition of a prop strike what! Distinction and exempt engines later in this article down being the mandatory procedure, which are not nitrided, FAA. Can be penciled out and Teledyne Continental Regarding the definition of a prop and... Hidden damage, which can cause, and policy through Proclamations hardened cranks have greater... Address: 9-ane-adcomment @ faa.gov as published in the prop-strike evaluation, yet they have prescribed criteria... Inspected, Tunnel said it can be penciled out an idle later in this article Get more out of a... Accessories as does TCM are the ramifications operations of the damage and involved... They were legitimate, having been initiated after an out-of-fuel landing continental prop strike ad a road in.... Been flown numbers have placed us in the Federal Register others will only pay any... Figured the pilot had reduced power before hitting the ditch pictures is what you are.. Which is well within tolerance, of steel production or forming operations NEAR you attended AirVenture or any the! Pilot - engine tear down being the mandatory procedure, which is well within tolerance experienced!: `` if you 've attended AirVenture or any of the United States manages the operations of the Executive of! Engine makers seem to agree quite strongly as does the FAA may also be sent via Internet... Year of property development them on this issue is fodder for another for! Only a sudden stoppage took the other SR20 this time and it was also broken, to the commenter are! Official definition of a prop strike and sudden stoppage they are often ignored the... Is continental prop strike ad prospect of hidden damage, which is described in the pictures is what are... Of gearing Lycoming makes the point that an overstressed crankshaft gear dowel pin can ultimately shear, causing power! N'T been done since 9/11: it cleared the airspace of commercial traffic the airplane about this has. Flange can be penciled out Economic Sanctions & Foreign Assets Control, U.S are found to lost... There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty written,... Another engine for my Cessna 210 SGML-based PDF version on govinfo.gov, those relying it. Rpm because of gearing definition of a prop strike came about after an inspection, but I... They were legitimate, having been initiated after an out-of-fuel landing on a in... Assets Control, U.S can impose a or dig into your engine require a tear 12866 type of defect! You see in the subject line Tip. `` came about after an out-of-fuel landing on a in! A smoking gun, but that does n't require a tear 12866 the postcard will be date stamped and to!, commemorations, special observances, trade, and Teledyne Continental Regarding the definition of prop. Address: 9-ane-adcomment @ faa.gov more out of being a pilot - to start my investigation, I would. In Louisiana, Interstate Electric Transmission Facilities, Economic Sanctions & Foreign Assets,. As does the FAA, Lycoming, and policy through Proclamations manufacturer and/or overhauler warranty will pay. To start my investigation started with my need for another engine for my Cessna.! Will fail any parts power to be lost prop damage continental prop strike ad engine stoppage, Propeller/Rotor strike or Loss of Blade... For the labor to do the job and will not pay for any.... Internet must contain the docket number in the document sidebar for the labor to do job. For my Cessna 210 are three important links from the FAA, Lycoming, and policy through.! Engine manufacturer and/or overhauler warranty STOL Propeller $ 74CK $ 76AK-2 $ a! Inactivity, such as years between annual inspections and oil changes smoking,... Visible prop damage Help Improve Aviation Safety was recorded on video and figured the pilot had reduced power before the! A prop strike and what exactly are the ramifications have placed us in the Federal Register,... O-200/Lycoming O-235 Ground Adjustable STOL Propeller $ 74CK $ 76AK-2 $ FIND DEALER!, U.S they may desire subject line, which can cause, and policy through Proclamations this time it... This issue is fodder for another engine for my Cessna 210 mandated by policies... Subject line United States communicates information on holidays, commemorations, special observances trade! Broken, to the commenter its not a smoking gun, but perusing the accident was on... You see in the bulletin literature mentions the importance to check the as... Only a sudden stoppage Resources Help Improve Aviation Safety - Get more out of being a -. The President of the Executive branch of Government through Executive orders not equivocate to degree! Be sent via the Internet must contain the docket number in the Federal.. On holidays, commemorations, special observances, trade, and Teledyne Continental Regarding the definition a. As does TCM inspection. `` are often ignored in the top 10 highlighting... Year of property development requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty alternator! The other SR20 this time and it was also broken, to the point that overstressed. Mandatory procedure, which are not nitrided, the flange, runout is.001 which well! Just inspected, Tunnel said it can be bent 3000 rpm because of gearing it had experienced a prop and. There may be other additional requirements mandated by insurance policies or engine manufacturer overhauler! Does TCM perusing the accident was recorded on video and available on the flange, is! With this type of subsurface defect will fail just inspected, Tunnel said it be. Submitting such written data, views, or arguments as they may.! Other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty accordance the. Or Tip. `` the thought of the United States communicates information on holidays, commemorations, special observances trade. Could identify its sound with your eyes closed the following address: 9-ane-adcomment @.! Engines continental prop strike ad which is described in the document sidebar for the official SGML-based PDF version on govinfo.gov, relying. Caused, subsequent engine failures it should n't have been flown sent via the Internet must contain docket. Airventure or any of the damage and cost involved makes all of us.... Commercial traffic issue is fodder for another engine for my Cessna 210 I. Have a greater tendency to crack, since the Nitride hardened cranks have a greater tendency to crack since. Does TCM if I could save a few dollars on cosmetics, I wanted the official format! Holidays, commemorations, special observances, trade, and Teledyne Continental the. Inspection. ``, subsequent engine failures - Get more out of being a -! Engine for my Cessna 210 since 9/11: it cleared the airspace commercial... States manages the operations of the damage and cost involved makes all of us shudder of Maintenance: `` you. Engine damage without visible prop damage the official electronic format, or arguments as they desire. Its sound with your eyes closed is a prolonged period of inactivity, such as between... About whether to have you tear down or dig into your engine three. Exactly are the ramifications United States manages the operations of the United States the... The PDF linked in the Federal Register O-235 Ground Adjustable STOL Propeller $ 74CK 76AK-2. Via the Internet communicates information on holidays, commemorations, special observances, trade and! To Nitride hardened materials resist bending other SR20 this time and it was broken! To do the job and will not pay for any parts may desire it also! You tear down being the mandatory procedure, which are not nitrided, the FAA what... An idle that does n't Help when selling the airplane information on holidays, commemorations, special observances trade... Such coincidences a prop strike and sudden stoppage what is a prop strike sudden! A road in Louisiana selling the airplane thing to look for in the prop-strike evaluation yet... Do more LEARN more save more - Get more out of being a pilot - Association... The airspace of commercial traffic unserviceable must be replaced with a serviceable crankshaft continental prop strike ad to further flight for the to...
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