# Final NTSB investigations: Continental IO-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 94 · 4,669 cases

## Latest cases

- [NTSB ERA26LA293](https://openairdocs.org/ntsb/ERA26LA293.md): Beech 58 · Carlisle, PA · Accident · No injuries · Class 4 · Limited · Final report · Aug 5, 2026 · N29DA · Substantial damage
  > A collision with a deer during landing.
- [NTSB ERA26LA289](https://openairdocs.org/ntsb/ERA26LA289.md): Beech A36 · Weston, CT · Accident · No injuries · Class 4 · Limited · Final report · Jul 30, 2026 · N9144Q · Substantial damage
  > The in-flight opening of the engine cowling, which resulted in engine baffling separating from the airplane and impacting the right elevator.
- [NTSB CEN26LA274](https://openairdocs.org/ntsb/CEN26LA274.md): Cessna A188B · Algona, IA · Accident · No injuries · Class 4 · Limited · Final report · Jul 29, 2026 · N731CQ · Substantial damage
  > The pilot’s failure to maintain control during a turn, which resulted in an aerodynamic stall.
- [NTSB WPR26LA240](https://openairdocs.org/ntsb/WPR26LA240.md): Bellanca 17-30A · Santa Paula, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 27, 2026 · N501CR · Substantial damage
  > The pilot’s improper fuel management, which resulted in fuel starvation and a loss of engine power.
- [NTSB WPR26LA171](https://openairdocs.org/ntsb/WPR26LA171.md): Cessna 210 · Redding, CA · Accident · No injuries · Class 4 · Limited · Final report · Apr 25, 2026 · N6130F · Substantial damage
  > The pilot’s failure to extend the landing gear before landing due to distraction and his failure to conduct the before landing checklist.
- [NTSB ERA26LA191](https://openairdocs.org/ntsb/ERA26LA191.md): Beech F33A · Sanford, NC · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2026 · N85WM · Substantial damage
  > A loss of electrical power as a result of broken stator leads within the alternator, which resulted in the pilot’s inability to extend the airplane’s landing gear.
- [NTSB ANC26LA026](https://openairdocs.org/ntsb/ANC26LA026.md): Cessna U206F · Juneau, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 16, 2026 · N93021 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.
- [NTSB ERA26LA173](https://openairdocs.org/ntsb/ERA26LA173.md): Beech 58 · Stevensville, MD · Accident · No injuries · Class 4 · Limited · Final report · Apr 11, 2026 · N38020 · Substantial damage
  > The pilot’s inadvertent retraction of the landing gear lever during the landing roll, which resulted in a gear collapse and runway excursion.
- [NTSB CEN26LA158](https://openairdocs.org/ntsb/CEN26LA158.md): Cessna A185 · Luverne, MN · Accident · No injuries · Class 4 · Limited · Final report · Apr 3, 2026 · N430RP · Substantial damage
  > The pilot’s failure to maintain directional control during a gusting crosswind landing, and the flight instructor’s delayed remedial action.
- [NTSB ANC26LA022](https://openairdocs.org/ntsb/ANC26LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 28, 2026 · N94237 · Substantial damage
  > The pilot’s loss of directional control during landing roll due to contact with wind hardened snow berm and subsequent failure of main landing gear.
- [NTSB ERA26LA154](https://openairdocs.org/ntsb/ERA26LA154.md): Beech V35 · Saluda, SC · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 21, 2026 · N15VM · Substantial damage
  > The pilot’s failure to maintain control of the airplane during an aborted landing, which resulted in a runway excursion, collision with a fence, and a hard landing.
- [NTSB ERA26LA117](https://openairdocs.org/ntsb/ERA26LA117.md): Beech V35 · Gulf Shores, AL · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2026 · N35KA · Substantial damage
  > The pilot’s failure to establish a positive rate of climb before retracting the landing gear, which resulted in abnormal runway contact during the takeoff roll.
- [NTSB CEN26LA091](https://openairdocs.org/ntsb/CEN26LA091.md): Bellanca 17-30A · Burnet, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 15, 2026 · N8213R · Substantial damage
  > The pilot’s improper judgement to relinquish his pilot responsibilities to the passenger with the engine operating, which resulted in a loss of airplane control and impact with a parked vehicle.
- [NTSB ERA26LA065](https://openairdocs.org/ntsb/ERA26LA065.md): Beech 95-C55 · Cocoa, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 8, 2025 · N95KC · Substantial damage
  > The flight crew’s failure to adequately manage the available fuel onboard the airplane, which resulted in a total loss of power due to fuel starvation.
- [NTSB CEN26LA028](https://openairdocs.org/ntsb/CEN26LA028.md): Beech A36 · Hondo, TX · Accident · No injuries · Class 4 · Limited · Final report · Oct 22, 2025 · N17826 · Substantial damage
  > The pilot’s failure to extend the landing gear before landing due to distraction and his failure to conduct the Before Landing checklist.
- [NTSB WPR26LA016](https://openairdocs.org/ntsb/WPR26LA016.md): Beech S35 · Olympia, WA · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2025 · N35S · Substantial damage
  > The pilot’s inadvertent retraction of the landing gear after landing.
- [NTSB WPR25LA263](https://openairdocs.org/ntsb/WPR25LA263.md): Cessna A185F · Lakeview, OR · Accident · No injuries · Class 4 · Limited · Final report · Aug 23, 2025 · N185GG · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, in gusting crosswind conditions.
- [NTSB CEN25LA344](https://openairdocs.org/ntsb/CEN25LA344.md): Cessna 210 · Markesan, WI · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2025 · N761SV · Substantial damage
  > The pilot’s failure to attain a proper touchdown point which resulted in a long landing and subsequent runway overrun.
- [NTSB ANC25LA096](https://openairdocs.org/ntsb/ANC25LA096.md): Cessna A185F · Haines, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 18, 2025 · N9BB · Substantial damage
  > The pilot’s selection of an unsuitable landing area resulting in an on-ground collision with an obscured log and a main landing gear separation.
- [NTSB CEN25LA319](https://openairdocs.org/ntsb/CEN25LA319.md): Beech S35 · Lowell, MI · Accident · No injuries · Class 4 · Limited · Final report · Aug 9, 2025 · N861T · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB WPR25LA238](https://openairdocs.org/ntsb/WPR25LA238.md): Cessna A185E · Warren, ID · Accident · No injuries · Class 4 · Limited · Final report · Aug 2, 2025 · N2252T · Substantial damage
  > The pilot’s failure to adequately compensate for a wind gust during the departure roll, which resulted in a loss of directional control and a runway excursion.
- [NTSB CEN25LA301](https://openairdocs.org/ntsb/CEN25LA301.md): Cessna U206G · Kerrville, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2025 · N756XY · Substantial damage
  > The pilot’s failure to confirm the fuel quantity before flight which resulted in a loss of engine power due to fuel starvation.
- [NTSB ANC25LA078](https://openairdocs.org/ntsb/ANC25LA078.md): Cessna U206C · Gulkana, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2025 · N29110 · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN25LA260](https://openairdocs.org/ntsb/CEN25LA260.md): Cessna A185F · Lansing, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2025 · N888DK · Substantial damage
  > The pilot’s improper landing flare and subsequent failure to maintain directional control during the landing in a crosswind condition.
- [NTSB ANC25LA069](https://openairdocs.org/ntsb/ANC25LA069.md): Cessna P206C · Port Graham, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 23, 2025 · N8630Z · Substantial damage
  > The pilot's improper landing flare and failure to maintain pitch control, which resulted in a tail strike. Contributing to the accident was the pilot’s failure to initiate a go around after the abnormal runway contact.
- [NTSB CEN25LA211](https://openairdocs.org/ntsb/CEN25LA211.md): Cessna U206 · Falun, WI · Accident · No injuries · Class 4 · Limited · Final report · Jun 18, 2025 · N932DB · Substantial damage
  > The pilot experiencing the featureless terrain illusion during the approach which gave the perception that the airplane was at a higher altitude over the glassy water surface than it was, resulting in the airplane impacting the water.
- [NTSB ERA25LA226](https://openairdocs.org/ntsb/ERA25LA226.md): Beech A36 · Murfreesboro, TN · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 10, 2025 · N15PM · Substantial damage
  > The pilot’s mismanagement of available fuel, which resulted in fuel starvation and a subsequent loss of total engine power.
- [NTSB CEN25LA185](https://openairdocs.org/ntsb/CEN25LA185.md): Cessna 401 · Arlington, TX · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2025 · N3239Q · Substantial damage
  > The failure of the left landing gear system and subsequent intentional gear up landing.
- [NTSB ANC25LA057](https://openairdocs.org/ntsb/ANC25LA057.md): Cessna A185F · Trapper Creek, AK · Accident · No injuries · Class 4 · Limited · Final report · May 21, 2025 · N3308S · Substantial damage
  > The pilot’s improper flare while landing on glassy water, which resulted in a hard landing.
- [NTSB ERA25LA186](https://openairdocs.org/ntsb/ERA25LA186.md): Beech 95-C55 · Lakin, WV · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 23, 2025 · N591R · Substantial damage
  > The pilot’s inadequate preflight inspection, and inadequate inflight fuel management, which resulted in a total loss of engine power due to fuel starvation and subsequent forced landing.
- [NTSB WPR25LA113](https://openairdocs.org/ntsb/WPR25LA113.md): Beech E-55 · Van Nuys, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 16, 2025 · N994WY · Substantial damage
  > An in-flight collision with a bird during an approach to land.
- [NTSB CEN25LA131](https://openairdocs.org/ntsb/CEN25LA131.md): Cessna P206 · Frankston, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 16, 2025 · N4672F · Substantial damage
  > The pilot’s failure to maintain directional control during the landing with a gusting crosswind.
- [NTSB ANC25LA030](https://openairdocs.org/ntsb/ANC25LA030.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2025 · N1718R · Substantial damage
  > Maintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi.
- [NTSB ERA25LA128](https://openairdocs.org/ntsb/ERA25LA128.md): Beech A36 · Alton Bay, NH · Accident · No injuries · Class 4 · Limited · Final report · Feb 23, 2025 · N321TB · Substantial damage
  > The pilot’s failure to maintain an appropriate glide path during the landing approach, which resulted in in the airplane contacting a snowbank short of the runway.
- [NTSB ERA25LA094](https://openairdocs.org/ntsb/ERA25LA094.md): Beech 58 · Florence, SC · Accident · No injuries · Class 4 · Limited · Final report · Dec 27, 2024 · N458K · Substantial damage
  > The pilot’s failure to follow the emergency procedures and extend the landing gear manually after the landing gear did not initially extend normally.
- [NTSB WPR25LA047](https://openairdocs.org/ntsb/WPR25LA047.md): Cessna A185F · Lewistown, MT · Accident · No injuries · Class 4 · Limited · Final report · Nov 23, 2024 · N9533H · Substantial damage
  > The pilot’s inadvertent impact with a rock during a landing on a grass strip.
- [NTSB ANC25LA003](https://openairdocs.org/ntsb/ANC25LA003.md): Cessna A185F · Wasilla, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 20, 2024 · N61795 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, resulting in a ground loop.
- [NTSB CEN25LA017](https://openairdocs.org/ntsb/CEN25LA017.md): Beech 58 · Shreveport, LA · Accident · No injuries · Class 4 · Limited · Final report · Oct 16, 2024 · N4203A · Substantial damage
  > The pilot’s inadvertent failure to lower the landing gear before touching down.
- [NTSB ANC25LA004](https://openairdocs.org/ntsb/ANC25LA004.md): Cessna U206B · Skwentna, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2024 · N3495L · Substantial damage
  > The pilot’s delayed go-around decision, which resulted in inadvertent contact with the landing surface, loss of directional control, and a nose over in gusting wind conditions.
- [NTSB ANC24FA102](https://openairdocs.org/ntsb/ANC24FA102.md): Cessna 206 · Chalkyitsik, AK · Accident · 1 fatal · Class 3 · Field · Final report · Sep 24, 2024 · N8255Q · Substantial damage
  > A loss of engine power due to water-contaminated fuel as a result of the pilot’s inadequate preflight inspection. Contributing to the accident was the operator’s failure to ensure replacement filters were available for use during refueling operations.
- [NTSB WPR24LA317](https://openairdocs.org/ntsb/WPR24LA317.md): Yakovlev YAK-50 · Watsonville, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 20, 2024 · N613BM · 2 aircraft · Substantial damage
  > The Yak-50 pilot’s failure to maintain clearance from another airplane while taxiing and maneuvering. Contributing to the accident was the pilot’s inattention due to a distraction inside the cockpit.
- [NTSB WPR24LA314](https://openairdocs.org/ntsb/WPR24LA314.md): Cessna U206G · West Sacramento, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 19, 2024 · N6522Z · Substantial damage
  > Failure of the No. 4 cylinder fuel injection assembly tube and subsequent total loss of engine power.
- [NTSB ERA24LA376](https://openairdocs.org/ntsb/ERA24LA376.md): Beech 58 · Raleigh, NC · Accident · No injuries · Class 4 · Limited · Final report · Sep 8, 2024 · N6037M · Substantial damage
  > Damage to the landing gear selector switch wire bundle which resulted in an inadvertent retraction of the landing gear during the takeoff roll.
- [NTSB WPR24FA285](https://openairdocs.org/ntsb/WPR24FA285.md): Cessna A185F · Kent, WA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 24, 2024 · N61323 · Substantial damage
  > The pilot’s failure to properly configure the amphibious landing gear for a water landing, which resulted in a touchdown on the water with the wheels extended, noseover, and airplane submersion.
- [NTSB CEN24LA321](https://openairdocs.org/ntsb/CEN24LA321.md): Cessna A185 · Loveland, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 20, 2024 · N4490R · Substantial damage
  > The pilot’s failure to maintain directional control during the landing, that resulted in a ground loop and a runway excursion. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB CEN24LA316](https://openairdocs.org/ntsb/CEN24LA316.md): Cessna A185E · Eveleth, MN · Accident · No injuries · Class 3 · Limited · Final report · Aug 14, 2024 · N2248T · Substantial damage
  > Water contamination of the fuel system which resulted in a total loss of engine power. Contributing was the pilot’s inadequate preflight.
- [NTSB ANC24LA075](https://openairdocs.org/ntsb/ANC24LA075.md): Cessna A185F · Fairbanks, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 8, 2024 · N94260 · Substantial damage
  > The pilot's failure to maintain directional control while landing at a short remote airstrip.
- [NTSB CEN24LA310](https://openairdocs.org/ntsb/CEN24LA310.md): Beech E-55 · Crystal, MN · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2024 · N744T · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard landing.
- [NTSB CEN24LA307](https://openairdocs.org/ntsb/CEN24LA307.md): Beech 58 · Kalamazoo, MI · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2024 · N484WW · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB ERA24LA344](https://openairdocs.org/ntsb/ERA24LA344.md): Beech A36 · Cullman, AL · Accident · No injuries · Class 4 · Limited · Final report · Aug 2, 2024 · N718FG · Substantial damage
  > The pilot’s decision to depart in an area of developing convective weather, which resulted in an unanticipated wind shift during the initial climb after takeoff, a loss of climb performance, and the subsequent forced landing.

Next page: https://openairdocs.org/ntsb.md?engine=17032&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 ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&status=final

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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.
