# NTSB investigations: Continental TSIO-550 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.

## Latest cases

- [NTSB ERA26LA237](https://openairdocs.org/ntsb/ERA26LA237.md): Sinclair Pete Lancair ES · Youngstown, OH · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2026 · N398S · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff roll, which resulted in a runway excursion and collision with an approach lighting system.
- [NTSB CEN26LA162](https://openairdocs.org/ntsb/CEN26LA162.md): Lancair IV · Camden, NC · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 4, 2026 · N94PT · Substantial damage
  > On April 04, 2026, 1155 local, a Lancair IV, N94PT, sustained substantial damage when it was involved in a forced landing on Scotland Road, Camden, North Carolina. The pilot and passenger on board sustained no injuries. The flight was conducted under Title 14…
- [NTSB ERA26LA146](https://openairdocs.org/ntsb/ERA26LA146.md): Schroder David Lancair IV-P · Feather Sound, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 8, 2026 · N366TF · Substantial damage
  > The pilot's failure to extend the landing gear before landing.
- [NTSB CEN25FA296](https://openairdocs.org/ntsb/CEN25FA296.md): Helms Richard Lancair IVP · Greenwood, IN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 30, 2025 · N49BX · Destroyed
  > On July 30, 2025, at 1046 eastern daylight time, a Lancair IVP airplane, N49BX, was destroyed when it was involved in an accident near Greenwood, Indiana. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…
- [NTSB WPR25LA204](https://openairdocs.org/ntsb/WPR25LA204.md): Beech A36 · Coolin, ID · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jul 9, 2025 · N41VH · Substantial damage
  > On July 8, 2025, about 1840 Pacific daylight time, a Beech A36, N41VH, was substantially damaged when it was involved in an accident near Coolin, Idaho. The pilot and passenger sustained minor injuries. The airplane was operated under Title 14 Code of Federal…
- [NTSB ERA25LA053](https://openairdocs.org/ntsb/ERA25LA053.md): Beech A36 · Doylestown, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 18, 2024 · N8152R · Substantial damage
  > The pilot’s failure to maintain control of the airplane during an attempted go-around, which resulted in an aerodynamic stall and impact with terrain and a parked airplane.
- [NTSB CEN24LA247](https://openairdocs.org/ntsb/CEN24LA247.md): American Air Racing Lancair IVP · Midland, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 29, 2024 · N451M · Substantial damage
  > The pilot’s failure to extend and verify landing gear extension which resulted in a wheels-up landing. Contributing was the increased workload due to several airplane issues that occurred during the descent in severe turbulence.
- [NTSB ERA22LA089](https://openairdocs.org/ntsb/ERA22LA089.md): Cirrus Design SR22 · Knoxville, TN · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 16, 2021 · N162AM · Destroyed
  > The pilot’s encounter with a wake vortex from a preceding airplane, which resulted in a roll upset at an altitude too low for recovery. Contributing to the accident was the failure of ATC to issue a wake turbulence cautionary advisory.
- [NTSB ERA21FA263](https://openairdocs.org/ntsb/ERA21FA263.md): Cirrus SR22 · Mercer, TN · Accident · 1 fatal · Class 3 · Field · Final report · Jun 21, 2021 · N333LZ · Substantial damage
  > A partial loss of engine power due to foreign object debris contamination of the left turbocharger wastegate. Contributing to the accident was the pilot’s failure to divert to the nearest airport.
- [NTSB CEN20WA142](https://openairdocs.org/ntsb/CEN20WA142.md): Lancair LC41 · Gotha, Germany · Accident · Serious injuries · Foreign investigation · Mar 30, 2020 · N6504H · Substantial damage
- [NTSB CEN19LA159](https://openairdocs.org/ntsb/CEN19LA159.md): Lancair LC41 · Cleburne, TX · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2019 · N2514F · Substantial damage
  > A total loss of engine power due to oil starvation as the result of the oil pressure switch failure due to a manufacturing defect.
- [NTSB WPR18LA256](https://openairdocs.org/ntsb/WPR18LA256.md): Cirrus SR22 · Kennett, MO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 7, 2018 · N131TX · Substantial damage
  > The pilot’s inadvertent activation of the fuel pump control rocker switch, which resulted in a loss of engine power shortly after takeoff. Contributing to the accident was the pilot’s distraction with an entangled headset cord.
- [NTSB ANC18LA004](https://openairdocs.org/ntsb/ANC18LA004.md): Cirrus Design SR22T · Tuskegee, AL · Accident · No injuries · Limited investigation · Final report · Oct 15, 2017 · N289CM · Substantial damage
  > An improperly adjusted slope controller and fuel pump that resulted in an excessively high fuel flow, an extremely rich mixture, a rough-running engine, and a subsequent partial loss of engine power.
- [NTSB WPR17FA150](https://openairdocs.org/ntsb/WPR17FA150.md): Cirrus Design SR22T · Schellville, CA · Accident · 2 fatal · Field investigation · Final report · Jul 13, 2017 · N821SG · Destroyed
  > The pilot's failure to maintain adequate airspeed after a loss of engine power, which resulted in an aerodynamic stall at a low altitude from which the pilot was unable to recover. The loss of engine power resulted from the pilot's improper selection for the…
- [NTSB CEN17IA233](https://openairdocs.org/ntsb/CEN17IA233.md): Schroder David Lancair IV P · Fulton, NY · Incident · No injuries · Incident investigation · Final report · Jun 1, 2017 · N366TF · No damage
  > The loss of oil pressure and subsequent engine overspeed/surge during a zero g-force maneuver, which resulted in the separation of a crankshaft counterweight and loss of engine power.
- [NTSB GAA17CA174](https://openairdocs.org/ntsb/GAA17CA174.md): Lancair Columbia 400 · Henderson, NV · Accident · Minor injuries · Data collection · Final report · Mar 5, 2017 · N2516K · Substantial damage
  > The pilot’s improper decision to land the airplane with a gusting crosswind, which resulted in a loss of airplane control.
- [NTSB GAA17CA078](https://openairdocs.org/ntsb/GAA17CA078.md): Lancair LC41 550FG · Redding, CA · Accident · No injuries · Data collection · Final report · Nov 22, 2016 · N169WT · Substantial damage
  > The pilot’s unstabilized approach and subsequent failure to attain the proper touchdown point, which resulted in a runway overrun.
- [NTSB ERA16LA268](https://openairdocs.org/ntsb/ERA16LA268.md): Frank Ware Velocity TXL · Sebastian, FL · Accident · No injuries · Limited investigation · Final report · Jul 23, 2016 · N916TC · Substantial damage
  > The total loss of engine power due to maintenance personnel’s improper setting of the aneroid adjustment.
- [NTSB CEN16LA043](https://openairdocs.org/ntsb/CEN16LA043.md): Hickham Lancair IV-P · Shawano, WI · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 2015 · N10UU · Substantial damage
  > A total loss of engine power due to a dual magneto failure, as a result of an exceedance of the engine’s operating limitations while maneuvering.
- [NTSB ERA15LA332](https://openairdocs.org/ntsb/ERA15LA332.md): Lancair IV · Fort Lauderdale, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 2015 · N864KM · Destroyed
  > The mechanic's improper installation of the turbocharger assembly, which resulted in oil starvation and a subsequent total loss of the engine power.
- [NTSB WPR14LA394](https://openairdocs.org/ntsb/WPR14LA394.md): Lorentzen Lancair Legacy · Reno, NV · Accident · No injuries · Limited investigation · Final report · Sep 13, 2014 · N368W · Substantial damage
  > The shearing of mounting bolts that attached the right turbocharger to its mounting bracket during an air race, which resulted in hot exhaust gases leaking into the engine compartment and starting a fire.
- [NTSB CEN14FA389](https://openairdocs.org/ntsb/CEN14FA389.md): Federsen Walter Lancair IVP · Findlay, OH · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2014 · N40941 · Destroyed
  > An in-flight fire for reasons that could not be determined due to the extent of impact and fire damage.
- [NTSB ERA13CA222](https://openairdocs.org/ntsb/ERA13CA222.md): Cirrus Design SR22T · Milledgeville, GA · Accident · No injuries · Data collection · Final report · Apr 24, 2013 · N228DF · Substantial damage
  > The student pilot’s failure to maintain a proper approach path for landing and the flight instructor’s delayed remedial action, which resulted in a runway undershoot and collision with a taxiway sign.
- [NTSB CEN13LA212](https://openairdocs.org/ntsb/CEN13LA212.md): Cirrus SR22T · Alexandria, MN · Accident · Minor injuries · Limited investigation · Final report · Mar 29, 2013 · N1967N · Substantial damage
  > The failure of maintenance personnel to install a safety wire during reinstallation of the right flap, which led to the separation of the right flap rod from the right flap actuation fitting during flap extension. Contributing to the accident were inadequate…
- [NTSB CEN12LA220](https://openairdocs.org/ntsb/CEN12LA220.md): Cirrus Design SR22T · Addison, TX · Accident · No injuries · Limited investigation · Final report · Mar 23, 2012 · N229TX · Substantial damage
  > Maintenance personnel’s improper maintenance, which resulted in the incorrect wiring of the No. 1 alternator and a subsequent electrical system fire during taxi. Contributing to the accident was the airplane manufacturer's inadequate maintenance documentation…
- [NTSB CEN12FA037](https://openairdocs.org/ntsb/CEN12FA037.md): Cirrus Design SR22T · Carrollton, TX · Accident · 1 fatal · Field investigation · Final report · Oct 24, 2011 · N227TX · Substantial damage
  > The pilot's failure to adequately preflight the airplane prior to departure, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB WPR11FA453](https://openairdocs.org/ntsb/WPR11FA453.md): Dacey Venture · Reno, NV · Accident · Serious injuries · Field investigation · Final report · Sep 15, 2011 · N521XD · Substantial damage
  > A total loss of engine power during the initial climb due to the pilot’s premature activation of the engine's anti-detonant injection system.
- [NTSB CEN11LA577](https://openairdocs.org/ntsb/CEN11LA577.md): Cessna 400 · Eastland, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2011 · N2515G · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation..
- [NTSB CEN11FA227](https://openairdocs.org/ntsb/CEN11FA227.md): Lancair LC41-550FG · Carbondale, IL · Accident · No injuries · Field investigation · Final report · Mar 11, 2011 · N521RT · Substantial damage
  > The fatigue fracture and subsequent failure of the No. 2 cylinder exhaust valve during cruise flight, which resulted in a total loss of engine power.
- [NTSB CEN10FA044](https://openairdocs.org/ntsb/CEN10FA044.md): Beech A36 · Spring Branch, TX · Accident · 3 fatal · Field investigation · Final report · Nov 8, 2009 · N91TD · Substantial damage
  > The pilot's failure to maintain control of the airplane during cruise flight in instrument meteorological conditions. Contributing to this accident was the pilot’s lack of recent experience in flying in instrument meteorological conditions.
- [NTSB LAX08LA217](https://openairdocs.org/ntsb/LAX08LA217.md): Lancair LC41-550FG · Hailey, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2008 · N2544W · Substantial damage
  > The loss of directional control while taxiing due to the failure of the right brake.
- [NTSB MIA08FA122](https://openairdocs.org/ntsb/MIA08FA122.md): Yates Lancair IV-P · Springfield, KY · Accident · 1 fatal · Field investigation · Final report · Jun 18, 2008 · N441L · Substantial damage
  > A total loss of engine power due to a loss of engine oil as a result of the installation of the wrong oil adapter O-ring seal.
- [NTSB CHI08LA158](https://openairdocs.org/ntsb/CHI08LA158.md): Maggs Lancair 4P · Alhambra, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 2008 · N241DM · Substantial damage
  > The pilot's decision to continue the flight into an area of known thunderstorm activity and the in-flight structural failure of the airplane.
- [NTSB NYC08LA176](https://openairdocs.org/ntsb/NYC08LA176.md): Desalvatore Al Lancair IV-P · Snow Hill, NC · Accident · 2 fatal · Limited investigation · Final report · May 8, 2008 · N101BX · Destroyed
  > An inadvertent encounter with icing conditions, resulting in a loss of aircraft control. Contributing to the accident was the pilot's inadequate preflight and in-flight decision making.
- [NTSB SEA08FA078](https://openairdocs.org/ntsb/SEA08FA078.md): Lancair LC41 · Portland, OR · Accident · 1 fatal · Field investigation · Final report · Feb 16, 2008 · N621ER · Destroyed
  > The pilot's failure to follow the missed approach procedure. Contributing to the accident were the fog and below landing minimums visibility conditions.
- [NTSB NYC08WA014](https://openairdocs.org/ntsb/NYC08WA014.md): Sullivan Lancair IV · Great Harbor, Bahamas · Accident · 1 fatal · Class 5 · Foreign · Oct 13, 2007 · N95HS · Destroyed
  > On October 13, 2007, at 1036 eastern daylight time, an amateur-built Lancair IV, N95HS, was destroyed when it encountered turbulence over Bahamian waters near Great Harbor Cay, Berry Islands. The certificated commercial pilot was presumed to be fatally…
- [NTSB SEA07FA247](https://openairdocs.org/ntsb/SEA07FA247.md): Lancair LC41-550FG · Kernville, CA · Accident · 6 fatal · Field investigation · Final report · Sep 1, 2007 · N2520P · Destroyed
  > The pilot's failure to maintain aircraft control while maneuvering in the traffic pattern for landing. Contributing to the accident was the pilot's failure to maintain an adequate airspeed.
- [NTSB CHI06FA215](https://openairdocs.org/ntsb/CHI06FA215.md): Manarin/Johnson Lancair IVP · Omaha, NE · Accident · No injuries · Field investigation · Final report · Aug 4, 2006 · N330RM · 2 aircraft · Substantial damage
  > The selection of an unsuitable landing area by the pilot of the other airplane, and his failure to maintain separation during landing.
- [NTSB NYC06FA072](https://openairdocs.org/ntsb/NYC06FA072.md): Lancair LC41-550FG · Stafford, VA · Accident · 4 fatal · Field investigation · Final report · Feb 23, 2006 · N400WX · Destroyed
  > The pilot's failure to execute the published missed approach. Factors included the night lighting conditions, low ceilings and fog.
- [NTSB LAX06FA014](https://openairdocs.org/ntsb/LAX06FA014.md): Lancair LC-41-550FG · Warner Springs, CA · Accident · 3 fatal · Field investigation · Final report · Oct 17, 2005 · N285JB · Destroyed
  > The flight crew's failure to maintain adequate terrain clearance and their decision to continue flight into known adverse weather conditions. Contributing to the accident was overcast conditions, and terrain obscuration. A finding of the investigation is that…
- [NTSB SEA04FA188](https://openairdocs.org/ntsb/SEA04FA188.md): Beech A-36 · Auburn, WA · Accident · Serious injuries · Field investigation · Final report · Sep 13, 2004 · N100EV · Destroyed
  > The pilot's failure to abort the takeoff early enough to allow him to stop the aircraft before it went off the departure end of the runway. Factors include the pilot's inadequate preflight procedures, water contamination in the fuel, a partial loss of power,…
- [NTSB SEA03LA180](https://openairdocs.org/ntsb/SEA03LA180.md): Lancair LC41 · Bend, OR · Accident · No injuries · Limited investigation · Final report · Aug 27, 2003 · N166PD · Destroyed
  > The inadequate design of the drogue chute mechanical jettison system, which resulted in its failure to separate from the aircraft during in-flight spin recovery tests, and the incorrectly wired drogue chute cable cutter activation unit, which resulted in the…
- [NTSB SEA03LA005](https://openairdocs.org/ntsb/SEA03LA005.md): IV Lancair IV · Coeur d'Alene, ID · Accident · 2 fatal · Limited investigation · Final report · Oct 15, 2002 · N599L · Substantial damage
  > The pilot's inadequate flare and his failure to maintain runway alignment. The pilot's lack of familiarity,downsloping terrain, and trees are contributing factors.
- [NTSB CHI00LA102](https://openairdocs.org/ntsb/CHI00LA102.md): Beech A36 · Bloomington, IN · Accident · No injuries · Limited investigation · Final report · Mar 31, 2000 · N91TD · Substantial damage
  > directional control not maintained and maximum gross weight was exceeded by the pilot in command.

## 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 ('17043'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17043

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