# Final NTSB investigations: Continental TSIO-520 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 1 of 33 · 1,647 cases

## Latest cases

- [NTSB WPR26LA311](https://openairdocs.org/ntsb/WPR26LA311.md): Cessna T210M · Logan, UT · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2026 · N761WT · Substantial damage
  > The pilot’s failure to extend the airplane’s landing gear before landing.
- [NTSB CEN26LA226](https://openairdocs.org/ntsb/CEN26LA226.md): Beech A36TC · Kingsford, MI · Accident · No injuries · Class 4 · Limited · Final report · Jun 14, 2026 · N3701N · Substantial damage
  > The pin on the nose gear brace assembly that engages with the cam on the nose landing gear door actuator shaft was not seated inside the cam, which rendered the nose landing gear inoperative.
- [NTSB WPR26LA210](https://openairdocs.org/ntsb/WPR26LA210.md): Cessna P210 · Salem, OR · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2026 · N4875K · Substantial damage
  > The pilot’s failure to extend the landing gear prior to landing.
- [NTSB WPR26LA124](https://openairdocs.org/ntsb/WPR26LA124.md): Cessna T210 · Upland, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 11, 2026 · N29138 · Substantial damage
  > The pilot’s improper approach, which resulted in a long landing, runway excursion, and a nose over.
- [NTSB ERA26LA087](https://openairdocs.org/ntsb/ERA26LA087.md): Cessna 414A · Tampa, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 5, 2026 · N140KM · Substantial damage
  > The pilot’s failure to secure a bottle, which restricted movement of the right rudder pedal during landing.
- [NTSB CEN25LA362](https://openairdocs.org/ntsb/CEN25LA362.md): Cessna 414 · New Braunfels, TX · Accident · No injuries · Class 4 · Limited · Final report · Sep 3, 2025 · N39HC · Substantial damage
  > A in-flight collision with a bird during the descent for landing.
- [NTSB CEN25LA407](https://openairdocs.org/ntsb/CEN25LA407.md): Cessna 414 · Maryville, MO · Accident · No injuries · Class 4 · Limited · Final report · Aug 26, 2025 · N1668T · Substantial damage
  > The left landing gear collapsed on landing rollout due to a fractured retract bellcrank on the left landing gear lower fork assembly.
- [NTSB ERA25LA285](https://openairdocs.org/ntsb/ERA25LA285.md): Cessna TU206 · Ellsworth, ME · Accident · No injuries · Class 4 · Limited · Final report · Aug 1, 2025 · N9493Z · Substantial damage
  > The pilot’s decision to operate the airplane with a known deficiency of the floats, which resulted in an accumulation of water in the forward compartments of the floats, a forward center of gravity, and subsequent nose over during a water landing.
- [NTSB ERA25LA243](https://openairdocs.org/ntsb/ERA25LA243.md): Cessna T188C · Mount Gilead, OH · Accident · No injuries · Class 4 · Limited · Final report · Jun 26, 2025 · N3619J · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while in a turn during initial climb and the exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at a low altitude.
- [NTSB WPR25LA164](https://openairdocs.org/ntsb/WPR25LA164.md): Cessna T210M · Tucson Estates, AZ · Accident · No injuries · Class 4 · Limited · Final report · May 29, 2025 · N6419B · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB ERA25LA142](https://openairdocs.org/ntsb/ERA25LA142.md): Cessna TU206G · Wedgefield, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2025 · N27GP · Substantial damage
  > A total loss of engine power as a result of an excessively rich fuel-to-air ratio due to the pilot’s failure to properly lean the engine’s fuel air mixture and the inadvertent activation of the auxiliary fuel pump.
- [NTSB CEN25LA051](https://openairdocs.org/ntsb/CEN25LA051.md): Cessna 340 · Muskogee, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 27, 2024 · N5757C · Substantial damage
  > The pilot’s improper fuel planning, which resulted in fuel exhaustion and a total loss of power to both engines.
- [NTSB ERA25LA067](https://openairdocs.org/ntsb/ERA25LA067.md): Cessna P210 · Ball Ground, GA · Accident · No injuries · Class 4 · Limited · Final report · Nov 7, 2024 · N6444W · Substantial damage
  > The pilot and the flight instructor’s failure to maintain control of the airplane during a simulated loss of engine power during takeoff, which resulted in a runway excursion, and collision with a taxiway sign.
- [NTSB CEN25LA048](https://openairdocs.org/ntsb/CEN25LA048.md): Beech 58TC · International Falls, MN · Accident · No injuries · Class 4 · Limited · Final report · Oct 20, 2024 · N583MB · Substantial damage
  > The pilot’s loss of directional control during landing.
- [NTSB ERA24LA386](https://openairdocs.org/ntsb/ERA24LA386.md): Cessna 402 · Boston, MA · Accident · No injuries · Class 3 · Limited · Final report · Sep 17, 2024 · N18VV · Substantial damage
  > The failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…
- [NTSB ERA24FA301](https://openairdocs.org/ntsb/ERA24FA301.md): Cessna 402B · Aguadilla, PR · Accident · 1 fatal · Class 3 · Field · Final report · Jul 11, 2024 · N4167G · Destroyed
  > The pilot’s decision to operate the airplane with known maintenance discrepancies, which resulted in a total loss of right engine power. Contributing to the outcome was the pilot’s failure to maintain airspeed while returning to the airport with a single…
- [NTSB CEN24LA329](https://openairdocs.org/ntsb/CEN24LA329.md): Cessna 414 · Leadville, CO · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2024 · N1652T · Substantial damage
  > A loss of brake fluid for reasons that could not be determined, which resulted in a loss of braking effectiveness during landing.
- [NTSB ERA24LA285](https://openairdocs.org/ntsb/ERA24LA285.md): Cessna T210L · Albany, OH · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 30, 2024 · N75DM · Substantial damage
  > The pilot's loss failure to maintain directional control of the airplane during a crosswind landing. Contributing was an unanticipated wind gust.
- [NTSB ERA24FA283](https://openairdocs.org/ntsb/ERA24FA283.md): Piper PA46 · Trout Creek, NY · Accident · 5 fatal · Class 3 · Field · Final report · Jun 30, 2024 · N85PG · Destroyed
  > The pilot’s loss of airplane control in flight due to spatial disorientation during a climb to cruise altitude in instrument meteorological conditions and turbulence, which resulted in the in-flight breakup of the airplane. Contributing to the accident was…
- [NTSB CEN24FA240](https://openairdocs.org/ntsb/CEN24FA240.md): Cessna 414A · McKinney, TX · Accident · 2 fatal · Class 3 · Field · Final report · Jun 27, 2024 · N414BS · Destroyed
  > The pilot's improper decision to attempt continued flight after a loss of left engine power with usable runway remaining and his subsequent failure to follow the emergency procedures and maintain air minimum control speed, which resulted in a loss of control.…
- [NTSB WPR24LA230](https://openairdocs.org/ntsb/WPR24LA230.md): Cessna P210N · Reno, NV · Accident · No injuries · Class 3 · Limited · Final report · Jun 13, 2024 · N36RW · Substantial damage
  > A loss of electrical power for undetermined reasons, which resulted in a partial extension of the landing gear and subsequent landing gear collapse during landing. Contributing to the accident was fuel starvation that resulted in a total loss of engine power.
- [NTSB WPR24LA157](https://openairdocs.org/ntsb/WPR24LA157.md): Cessna P210 · Daggett, CA · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2024 · N4769K · Substantial damage
  > The pilot’s failure to detect the tripped alternator circuit breaker in flight, which resulted in a drained battery that prevented the landing gear from fully extending to the down-and-locked position. Contributing to the accident was the improperly installed…
- [NTSB WPR24LA133](https://openairdocs.org/ntsb/WPR24LA133.md): Cessna T210 · Placerville, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 23, 2024 · N89EP · Substantial damage
  > The pilot’s loss of directional control during the landing roll.
- [NTSB WPR24LA126](https://openairdocs.org/ntsb/WPR24LA126.md): Cessna P210N · Auburn, WA · Accident · No injuries · Class 3 · Limited · Final report · Apr 11, 2024 · N806RC · Substantial damage
  > An overstress fracture of the left main landing gear actuator, which resulted in the failure of the left main landing gear to fully extend and lock into place.
- [NTSB CEN24LA065](https://openairdocs.org/ntsb/CEN24LA065.md): Beech B36TC · Burnet, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 17, 2023 · N70SL · Destroyed
  > The loss of engine power due an overly rich mixture from an improper adjustment of the fuel pump, which resulted in a forced landing and impact with a car and terrain.
- [NTSB CEN24LA062](https://openairdocs.org/ntsb/CEN24LA062.md): Cessna 340A · New Orleans, LA · Accident · No injuries · Class 4 · Limited · Final report · Dec 12, 2023 · N7067W · Substantial damage
  > The improper maintenance of the main landing gear, which resulted in a collapse and overstress failure of the left main landing gear during landing.
- [NTSB WPR24LA046](https://openairdocs.org/ntsb/WPR24LA046.md): Cessna P210N · Big Bear, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 2, 2023 · N7LV · Substantial damage
  > A loss of engine power during the initial climb for undetermined reasons, which resulted in an aborted takeoff and runway excursion.
- [NTSB WPR24FA037](https://openairdocs.org/ntsb/WPR24FA037.md): Cessna P210N · San Diego, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 16, 2023 · N1400 · Substantial damage
  > A total loss of engine power due to fuel exhaustion. Contributing to the accident were the pilot’s inadequate flight and fuel planning and his decision to fly in night instrument meteorological conditions despite his lack of recent instrument flight.
- [NTSB WPR24LA013](https://openairdocs.org/ntsb/WPR24LA013.md): Cessna 340A · Boise, ID · Accident · No injuries · Class 3 · Limited · Final report · Oct 12, 2023 · N682JS · Substantial damage
  > The pilot’s failure to maintain directional control while taxiing, which resulted in impact with a fence.
- [NTSB CEN24FA010](https://openairdocs.org/ntsb/CEN24FA010.md): Cessna 414 · Patterson, LA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 12, 2023 · N880A · Destroyed
  > The pilot’s failure to properly set the elevator trim before takeoff, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall during takeoff.
- [NTSB WPR24LA012](https://openairdocs.org/ntsb/WPR24LA012.md): Piper PA-46-310P · Chandler, AZ · Accident · No injuries · Class 3 · Limited · Final report · Oct 11, 2023 · N4380D · Substantial damage
  > The pilot’s failure to adequately confirm the fuel quantity before departure, resulting in fuel exhaustion and a partial loss of engine power.
- [NTSB WPR24LA003](https://openairdocs.org/ntsb/WPR24LA003.md): Cessna 340A · Hayward, CA · Accident · No injuries · Class 3 · Limited · Final report · Oct 2, 2023 · N121CB · Substantial damage
  > The pilot’s sudden incapacitation from effects of a previously undiagnosed underlying heart disease, which resulted in his loss of control of the airplane and subsequent impact with terrain.
- [NTSB ANC23LA065](https://openairdocs.org/ntsb/ANC23LA065.md): Beech B36TC · Cape Yakataga, AK · Accident · 2 fatal · Class 3 · Limited · Final report · Aug 27, 2023 · N6709Q · Destroyed
  > The pilot’s continued flight into moderate to severe icing conditions, including supercooled large droplets, over mountainous terrain, which resulted in a loss of control and impact with terrain. Contributing to the accident was the National Weather Service…
- [NTSB WPR23LA321](https://openairdocs.org/ntsb/WPR23LA321.md): Cessna T210M · Napa, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2023 · N6535B · Substantial damage
  > Insufficient hydraulic pressure to the landing gear system following the completion of the emergency gear extension checklist, which resulted in the main landing gear collapsing during landing. Contributing to the accident was a loss of electrical power for…
- [NTSB WPR23LA318](https://openairdocs.org/ntsb/WPR23LA318.md): Cessna T210M · Indian Creek, ID · Accident · No injuries · Class 4 · Limited · Final report · Aug 5, 2023 · N7067Z · Substantial damage
  > The pilot's improper fuel management, which resulted in fuel starvation, and gear up landing on a dirt airstrip.
- [NTSB WPR23FA275](https://openairdocs.org/ntsb/WPR23FA275.md): Cessna T310R · Santa Fe, NM · Accident · 1 fatal · Class 3 · Field · Final report · Jul 18, 2023 · N5251C · Substantial damage
  > A total loss of left engine power as a result of improper installation of the aft-facing crankshaft counterweight retaining rings. Also causal was the pilot’s failure to maintain adequate airspeed following the loss of left engine power, which resulted in the…
- [NTSB WPR23LA234](https://openairdocs.org/ntsb/WPR23LA234.md): Cessna P210N · Olivehurst, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 10, 2023 · N4761A · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB WPR23LA221](https://openairdocs.org/ntsb/WPR23LA221.md): Cessna 340A · Bend, OR · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2023 · N340SW · Substantial damage
  > The pilot’s failure to maintain clearance from the fuel station, resulting in a ground collision and fire.
- [NTSB ERA23LA257](https://openairdocs.org/ntsb/ERA23LA257.md): Cessna 402 · Charlotte Amalie, CB · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 4, 2023 · N7037E · Minor damage
  > An in-flight collision with a bird while entering the traffic pattern.
- [NTSB WPR23LA174](https://openairdocs.org/ntsb/WPR23LA174.md): Cessna T210N · San Luis Obispo, CA · Accident · No injuries · Class 4 · Limited · Final report · May 2, 2023 · N29TR · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB ERA23LA189](https://openairdocs.org/ntsb/ERA23LA189.md): Cessna 402 · Ft. Lauderdale, FL · Accident · No injuries · Class 3 · Limited · Final report · Apr 9, 2023 · N404PJ · Substantial damage
  > The pilot’s ineffective use of the airplane’s brakes, which resulted in a runway overrun.
- [NTSB WPR23LA236](https://openairdocs.org/ntsb/WPR23LA236.md): Piper PA-46-310P · Springfield, KY · Accident · No injuries · Class 4 · Limited · Final report · Mar 24, 2023 · N146MS · Substantial damage
  > The pilot’s failure to activate the pitot heat in a timely manner during flight into icing conditions, which resulted in a temporary failure of the flight instruments and a subsequent loss of control.
- [NTSB CEN23FA139](https://openairdocs.org/ntsb/CEN23FA139.md): Beech 58P · Lubbock, TX · Accident · 1 fatal · Class 3 · Field · Final report · Mar 17, 2023 · N2061K · Destroyed
  > The pilot’s failure to ensure a proper fuel selector position before takeoff, which resulted in a loss of left engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to maintain airplane control after the loss of left engine…
- [NTSB ERA23LA123](https://openairdocs.org/ntsb/ERA23LA123.md): Piper PA46 · Port Orange, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 2, 2023 · N864JB · Substantial damage
  > The pilot’s failure to maintain aircraft control during a takeoff attempt, which resulted in an aerodynamic stall, runway excursion, and collision with trees.
- [NTSB WPR23LA098](https://openairdocs.org/ntsb/WPR23LA098.md): Cessna T210N · Murrieta, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 27, 2023 · N4758C · Substantial damage
  > A loss of engine power during the turn from base to final for undetermined reasons. Contributing to the accident was the pilot’s decision to not maintain traffic pattern altitude, which resulted in the off-airport landing.
- [NTSB WPR23FA092](https://openairdocs.org/ntsb/WPR23FA092.md): Cessna 414 · Modesto, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jan 18, 2023 · N4765G · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack and failure to maintain proper airspeed during a turn to final, resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s distraction…
- [NTSB ERA23LA101](https://openairdocs.org/ntsb/ERA23LA101.md): Cessna 340A · Atlantic Ocean, Turks & Caicos Islands · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2023 · N824BC · Substantial damage
  > A fuel system malfunction for reasons that could not be determined, which resulted in fuel starvation to both engines.
- [NTSB ERA23LA106](https://openairdocs.org/ntsb/ERA23LA106.md): Cessna 402 · Mashpee, MA · Accident · No injuries · Class 4 · Limited · Final report · Nov 18, 2022 · N2649Z · Substantial damage
  > The airplane’s impact with a bird while enroute.
- [NTSB CEN23LA021](https://openairdocs.org/ntsb/CEN23LA021.md): Cessna T210 · Burleson, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 27, 2022 · N36X · Substantial damage
  > The pilot’s mismanagement of the fuel supply, which led to fuel starvation and a loss of engine power.
- [NTSB WPR23LA012](https://openairdocs.org/ntsb/WPR23LA012.md): Cessna T210L · Marana, AZ · Accident · No injuries · Class 3 · Limited · Final report · Oct 10, 2022 · N2425S · Substantial damage
  > A failure of a retaining ring in the airplane’s left main landing gear door actuator and the subsequent complete loss of hydraulic fluid, which resulted in a gear-up landing.

Next page: https://openairdocs.org/ntsb.md?engine=17040&status=final&page=2

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&status=final

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