# NTSB investigations: Lycoming AEIO-540 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 2 of 3 · 115 cases

## Cases, newest first

- [NTSB CHI07CA019](https://openairdocs.org/ntsb/CHI07CA019.md): Aviat S2B · Larimore, ND · Accident · No injuries · Data collection · Final report · Oct 29, 2006 · N149TM · Substantial damage
  > The pilot's failure to maintain proper alignment with the runway which resulted in the airplane nosing over. A factor associated with the accident was the soft terrain encountered.
- [NTSB NYC07FA007](https://openairdocs.org/ntsb/NYC07FA007.md): Extra Flugzeugbau Gmbh 300 · Culpeper, VA · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2006 · N168EX · Destroyed
  > The pilot’s disorientation while performing an aerobatic maneuver, which resulted in the airplane’s inadvertent impact with the ground. Contributing to the accident was the pilot’s overuse of prescription medication.
- [NTSB DEN07FA003](https://openairdocs.org/ntsb/DEN07FA003.md): Extra Flugzeugbau EA 300/L · Tucumcari, NM · Accident · 1 fatal · Field investigation · Final report · Oct 4, 2006 · N300BB · Substantial damage
  > The pilot's failure to maintain aircraft control during aerobatic flight, resulting in an inadvertent accelerated stall. Contributing factors include the low altitude for recovery from the loop and the high density altitude.
- [NTSB LAX06LA262](https://openairdocs.org/ntsb/LAX06LA262.md): Extra Flugzeugbau EA-300 · Mojave, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2006 · N12DW · Substantial damage
  > the pilot's failure to maintain an adequate airspeed while performing low-level aerobatics that resulted in an inadvertent accelerated stall and in-flight collision with terrain.
- [NTSB DFW06LA154](https://openairdocs.org/ntsb/DFW06LA154.md): McClung Christian Eagle I · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · Jun 6, 2006 · N181DM · Substantial damage
  > The loss of engine power as a result of a fractured crankshaft due to fatigue. A factor was the engine modifications to increase engine horsepower.
- [NTSB LAX06LA190](https://openairdocs.org/ntsb/LAX06LA190.md): Aviat Pitts S-2B · Antioch, CA · Accident · No injuries · Limited investigation · Final report · Jun 3, 2006 · N117PS · Substantial damage
  > The loss of oil pressure due to metal pieces from the number 5 piston skirt in the oil system, which prevented the oil valve top ball valve from seating. The muddy terrain was a factor.
- [NTSB DFW06LA094](https://openairdocs.org/ntsb/DFW06LA094.md): Aviation Specialties Unlimited Challenger II · Coushatta, LA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2006 · N260HP · Destroyed
  > The loss of control due to premature failure of the elevator's push-pull tube rod-end bearing.
- [NTSB ANC06LA026](https://openairdocs.org/ntsb/ANC06LA026.md): Extra Flugzeugbau 300S · Greenfield, CA · Accident · 1 fatal · Limited investigation · Final report · Mar 21, 2006 · N124X · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the base leg to final approach phase of a VFR landing pattern, which resulted in an inadvertent stall and an uncontrolled descent. A factor contributing to the accident was the inadvertent stall/mush.
- [NTSB DFW05FA242](https://openairdocs.org/ntsb/DFW05FA242.md): Akro Tech Aviation Inc. Giles G-300 · Yukon, OK · Accident · 1 fatal · Field investigation · Final report · Sep 18, 2005 · N300NW · Destroyed
  > The catastrophic separation of the canopy as result of the failure of the forward canopy hinge while performing aerobatics and the subsequent incapacitation of the pilot.
- [NTSB ATL04LA152](https://openairdocs.org/ntsb/ATL04LA152.md): Stein Skybolt Skybolt · Jasper, GA · Accident · Serious injuries · Limited investigation · Final report · Jul 10, 2004 · N8048G · Substantial damage
  > The pilot's attempt to operate the airplane with known deficiencies in the equipment, and the fuel system contamination that resulted in fuel starvation to the engine. A factor was rough and uneven terrain.
- [NTSB SEA04FA127](https://openairdocs.org/ntsb/SEA04FA127.md): Extra Flugzeugrau EA 300/L · Boise, ID · Accident · Serious injuries · Field investigation · Final report · Jul 9, 2004 · N609JW · Destroyed
  > The failure of the pilot to maintain clearance with terrain during descent while conducting an aerobatic maneuver. Low altitude flight was a factor.
- [NTSB NYC04LA140](https://openairdocs.org/ntsb/NYC04LA140.md): Aviat Pitts S2B · Hamilton, OH · Accident · No injuries · Limited investigation · Final report · Jun 13, 2004 · N963CB · Substantial damage
  > The pilot's failure to maintain directional control after experiencing a brake system malfunction during landing. Factors related to the accident were the malfunction of a landing gear brake as reported by the pilot, and the crosswind conditions.
- [NTSB MIA04CA055](https://openairdocs.org/ntsb/MIA04CA055.md): Aviat Pitts S2B · Parkland, FL · Accident · No injuries · Data collection · Final report · Mar 3, 2004 · N61PS · Substantial damage
  > The pilot's inadequate preflight planning which resulted in an off-airport precautionary landing to preclude fuel exhaustion, which resulted in damage to the airplane during the landing.
- [NTSB FTW04FA054](https://openairdocs.org/ntsb/FTW04FA054.md): Piper PA-32R-301 · Beaumont, TX · Accident · 2 fatal · Field investigation · Final report · Jan 3, 2004 · N396HP · Destroyed
  > The flight instructor's failure to maintain clearance with a static line. Contributing factors were the low cloud ceiling weather conditions and night light conditions.
- [NTSB LAX04LA039](https://openairdocs.org/ntsb/LAX04LA039.md): Zivko Edge 540-T · King City, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 2003 · N540RC · Substantial damage
  > The after market manufacturer's improper application of a crankshaft, which exceeded the original manufacturer's intended use. A factor in the accident was the oil covering the windscreen, which restricted the pilot's ability to see.
- [NTSB NYC04LA006](https://openairdocs.org/ntsb/NYC04LA006.md): Extra Flugzeugbau EA-300L · Queen Anne, MD · Accident · 1 fatal · Limited investigation · Final report · Oct 12, 2003 · N18NL · Destroyed
  > The pilot's performance of aerobatic maneuvers with positive and negative Gs, which resulted in a G induced loss of control, and uncontrolled impact with the ground.
- [NTSB CHI04LA007](https://openairdocs.org/ntsb/CHI04LA007.md): Aviat Pitts S-2B · Cromwell, MN · Accident · 1 fatal · Limited investigation · Final report · Oct 10, 2003 · N68PS · Destroyed
  > The altitude/clearance not maintained by the pilot while performing aerobatic maneuvers. Contributing factors were the planning/decision to perform an aerobatic maneuver at a low altitude.
- [NTSB NYC04LA004](https://openairdocs.org/ntsb/NYC04LA004.md): Pfeifler Edge-540 · Warrenton, VA · Accident · 1 fatal · Limited investigation · Final report · Oct 7, 2003 · N540SH · Destroyed
  > The pilot's failure to maintain aircraft control while performing aerobatic maneuvers.
- [NTSB LAX03CA287](https://openairdocs.org/ntsb/LAX03CA287.md): Aviat Pitts S-2C · Mountain View, CA · Accident · Minor injuries · Data collection · Final report · Sep 13, 2003 · N57BC · Substantial damage
  > the pilot's failure to maintain an adequate clearance with the runway during a low altitude aerobatic maneuver.
- [NTSB DEN03FA074](https://openairdocs.org/ntsb/DEN03FA074.md): Christen Industries Pitts S-2B · Longmont, CO · Accident · 2 fatal · Field investigation · Final report · Apr 26, 2003 · N399DB · Destroyed
  > the pilot's improper in-flight planning and decision that resulted in fuel exhaustion and his entering an aerobatic maneuver with insufficient altitude. Factors contributing to the accident were the low airspeed and low altitude, and the fuel exhaustion.
- [NTSB NYC03FA088](https://openairdocs.org/ntsb/NYC03FA088.md): Aviat Pitts S-2B · Newport, PA · Accident · 2 fatal · Field investigation · Final report · Apr 24, 2003 · N6085U · Substantial damage
  > The pilot's improper decision to perform aerobatics at a low altitude, which inhibited his ability to recover from an encountered flat spin. A factor related to the accident was the aft center of gravity, which was beyond the operational limit for the…
- [NTSB LAX03LA081](https://openairdocs.org/ntsb/LAX03LA081.md): Pitts S-2B · Long Beach, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 1, 2003 · N300PS · Substantial damage
  > The pilot's excessive pull up, which resulted in a failure to obtain/maintain flying speed and a subsequent stall/mush.
- [NTSB MIA03FA050](https://openairdocs.org/ntsb/MIA03FA050.md): Extra Flugzeugbau EA300/L · Golden Gate, FL · Accident · 2 fatal · Field investigation · Final report · Jan 31, 2003 · N33KL · Destroyed
  > The airplane's entry into a near vertical descent for undetermined reasons, which resulted in a collision with terrain during the resultant descent.
- [NTSB ATL02FA076](https://openairdocs.org/ntsb/ATL02FA076.md): Flugzeugbau EA-300L · Lakeland, FL · Accident · No injuries · Field investigation · Final report · Apr 6, 2002 · N125EX · 2 aircraft · Substantial damage
  > The Extra 300L pilot's failure to maintain a visual lookout resulting in a midair collision while landing. Contributing to the accident was the Extra 300L pilot's failure to follow written instructions contained in the NOTAM, and ATC instructions resulting in…
- [NTSB CHI02LA091](https://openairdocs.org/ntsb/CHI02LA091.md): Aviat Pitts S-2B · Milwaukee, WI · Accident · Minor injuries · Limited investigation · Final report · Mar 13, 2002 · N29RG · Substantial damage
  > The loss of engine power for undetermined reasons. A factor in the accident was the telephone pole.
- [NTSB LAX02LA074](https://openairdocs.org/ntsb/LAX02LA074.md): Aviat Pitts S-2B · Hawthorne, CA · Accident · No injuries · Limited investigation · Final report · Feb 2, 2002 · N300PS · Substantial damage
  > Failure of the student to maintain directional control of the airplane on the landing rollout and failure of the CFI to adequately supervise the flight. A contributing factor was the decreased tension of the right main landing gear shock cord/bungee.
- [NTSB LAX02FA003](https://openairdocs.org/ntsb/LAX02FA003.md): Edge 540 · San Juan Capist, CA · Accident · 1 fatal · Field investigation · Final report · Oct 11, 2001 · N541TW · Destroyed
  > the pilot's failure to maintain an adequate terrain/object altitude clearance while intentionally performing low level aerobatics, which resulted in a loss of aircraft control.
- [NTSB NYC01FA212](https://openairdocs.org/ntsb/NYC01FA212.md): Pitts S-2B · Shirley, NY · Accident · 1 fatal · Field investigation · Final report · Aug 21, 2001 · N225SD · Substantial damage
  > The pilot under instruction's failure to maintain adequate airspeed, and the flight instructor's inadequate remedial action during a simulated engine-out approach, which resulted in an inadvertent stall, and subsequent ground impact.
- [NTSB FTW01LA102](https://openairdocs.org/ntsb/FTW01LA102.md): Cap 232 · Laporte, TX · Accident · No injuries · Limited investigation · Final report · Apr 23, 2001 · N232DG · Destroyed
  > Failure of the brake system during taxi. A contributing factor was the pilot's decision to continue taxiing after discovering the brakes were not functioning normally.
- [NTSB MIA01FA074](https://openairdocs.org/ntsb/MIA01FA074.md): American 8KCAB · Leesburg, FL · Accident · Minor injuries · Field investigation · Final report · Feb 9, 2001 · N123WA · 2 aircraft · Substantial damage
  > The failure of the pilot of N123WA and the failure of both pilots of N301NL to adequately insure visual separation between their aircraft and other aircraft in the landing pattern, resulting in a runway collision. Factors contributing to the accident were the…
- [NTSB MIA01FA041](https://openairdocs.org/ntsb/MIA01FA041.md): Christen Industries Pitts S-2B · Weston, FL · Accident · 2 fatal · Field investigation · Final report · Dec 14, 2000 · N260DB · Substantial damage
  > An inflight loss of control by both pilots while maneuvering, which resulted in an inverted flat spin, an uncontrolled descent, and an impact with terrain/water. A factor contributing to the accident was the failure of both pilots to ensure that the…
- [NTSB CHI01LA030](https://openairdocs.org/ntsb/CHI01LA030.md): Aviat Pitts S-2B · Worth, IL · Accident · No injuries · Limited investigation · Final report · Nov 1, 2000 · N169DM · Substantial damage
  > The pilot's inadequate preflight of the airplane and his failure to verify the fuel supply on board, which resulted in fuel exhaustion. Factors associated with the accident were the low altitude at which the power loss occurred and the lack of suitable…
- [NTSB NYC00LA053](https://openairdocs.org/ntsb/NYC00LA053.md): Christen Industries Pitts S-2B · Shamokin, PA · Accident · No injuries · Limited investigation · Final report · Dec 12, 1999 · N260XX · Substantial damage
  > The pilot's failure to maintain aircraft control.
- [NTSB MIA99LA152](https://openairdocs.org/ntsb/MIA99LA152.md): Christen Industries S-2B · Knoxville, TN · Accident · No injuries · Limited investigation · Final report · May 8, 1999 · N260Z · Substantial damage
  > a total loss of engine power caused by the failure of the number 6 connecting rod, due to oil starvation for an undetermined reason.
- [NTSB LAX99LA103](https://openairdocs.org/ntsb/LAX99LA103.md): Zivko Aeronautics Edge 540 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1999 · N9ND · Substantial damage
  > The manufacturer's inadequate quality control procedures, which allowed an improperly manufactured crankshaft to be shipped, resulting in the separation of one counterweight from the crankshaft lug and the subsequent catastrophic internal failure of the…
- [NTSB IAD99LA022](https://openairdocs.org/ntsb/IAD99LA022.md): Pitts S-2B · Easton, MD · Accident · Serious injuries · Limited investigation · Final report · Nov 28, 1998 · N340PS · 2 aircraft · Substantial damage
  > The failure of both the pilot-in-command (CFI) and dual student of the other aircraft (Pitts) to maintain adequate visual lookout.
- [NTSB FTW98LA317](https://openairdocs.org/ntsb/FTW98LA317.md): Cessna 152 · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Jun 6, 1998 · N47354 · 2 aircraft · Substantial damage
  > The inadequate visual lookout by the pilots of both airplanes.
- [NTSB LAX98LA150](https://openairdocs.org/ntsb/LAX98LA150.md): Pitts S-2B · Greenfield, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1998 · N6027V · Substantial damage
  > The pilot's failure to maintain directional control. A related factor was the proximity of high brush located on both sides of the runway.
- [NTSB ATL98LA022](https://openairdocs.org/ntsb/ATL98LA022.md): Christen Industries S-2B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Nov 23, 1997 · N317JK · Substantial damage
  > The undetermined malfunction of the right brake and the pilot's failure to maintain directional control during the landing rollout. A factor was the quartering tailwind.
- [NTSB FTW97LA332](https://openairdocs.org/ntsb/FTW97LA332.md): Pitts S-2B · Mountain View, AR · Accident · No injuries · Limited investigation · Final report · Aug 27, 1997 · N9QT · Substantial damage
  > Fuel exhaustion due to the pilot's inadequate preflight planning. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX96LA232](https://openairdocs.org/ntsb/LAX96LA232.md): Moore Goshawk 350 · Livermore, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1996 · N345RM · Destroyed
  > an overstress failure of the left rudder cable.
- [NTSB ATL96LA025](https://openairdocs.org/ntsb/ATL96LA025.md): Moravan Zlin Z50 LA · Springfield, TN · Accident · 1 fatal · Limited investigation · Final report · Dec 20, 1995 · N6660B · Destroyed
  > the pilot's failure to maintain control of the aircraft.
- [NTSB FTW95LA384](https://openairdocs.org/ntsb/FTW95LA384.md): Johnson Rebel 300 · Keenesburg, CO · Accident · 1 fatal · Limited investigation · Final report · Sep 9, 1995 · N36DJ · Destroyed
  > Inadvertent stall during approach. A factor was the pilot's lack of total experience in make and model.
- [NTSB CHI95LA288](https://openairdocs.org/ntsb/CHI95LA288.md): de Havilland DHC-1 · Hammond, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 1995 · N320WM · Destroyed
  > an overload failure of the right horizontal support tube assembly which the pilot/owner had modified to be adjustable. A factor in the accident was the corn.
- [NTSB MIA95LA129](https://openairdocs.org/ntsb/MIA95LA129.md): Pitts S-2B · Naples, FL · Accident · No injuries · Limited investigation · Final report · Apr 26, 1995 · N711BT · Substantial damage
  > The failure of the tail wheel landing gear system for undetermined reasons. This resulted in an on-ground loss of control on landing rollout, ground loop, and collapse of the right main landing gear.
- [NTSB SEA95LA056](https://openairdocs.org/ntsb/SEA95LA056.md): Pitts S-2B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N49335 · Substantial damage
  > Fatigue failure of the crankshaft. Factors were the soft terrain and the pilot/owner's failure to conduct recurring crankshaft inspections recommended by the manufacturer.
- [NTSB SEA95LA032](https://openairdocs.org/ntsb/SEA95LA032.md): Pitts S-2B · Afton, WY · Accident · Minor injuries · Limited investigation · Final report · Dec 27, 1994 · N60823 · Substantial damage
  > The pilot's failure to maintain directional control, and his inadequate remedial action. Factors include snow covered terrain at the edge of the runway.
- [NTSB MIA94LA171](https://openairdocs.org/ntsb/MIA94LA171.md): Pitts S2B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 1994 · N61PS · Substantial damage
  > The poor welding quality of the manufacturer, resulting in the fatigue failure of the aileron attachment bracket.
- [NTSB MIA94LA154](https://openairdocs.org/ntsb/MIA94LA154.md): Pitts S2B · Keystone Height, FL · Accident · No injuries · Limited investigation · Final report · May 26, 1994 · N61PS · Substantial damage
  > The pilot-in-command's exceeding of the design limitations of the airplane.
- [NTSB ATL94LA083](https://openairdocs.org/ntsb/ATL94LA083.md): Cessna 172K · Spartanburg, SC · Accident · No injuries · Limited investigation · Final report · Apr 17, 1994 · N711GT · 2 aircraft · Substantial damage
  > The inadequate visual lookout by the pilot of Cessna 172K, N711GT.

Next page: https://openairdocs.org/ntsb.md?engine=41568&page=3

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&page=2

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
