# NTSB investigations: Continental IO-520 series, 2021

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 ERA22LA092](https://openairdocs.org/ntsb/ERA22LA092.md): Beech D55 · Hamilton, AL · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 21, 2021 · N44DC · Substantial damage
  > The pilot’s failure to properly configure the airplane’s fuel system, which resulted in a loss of engine power on the left engine due to fuel starvation.
- [NTSB ERA22FA085](https://openairdocs.org/ntsb/ERA22FA085.md): Beech V35 · Crab Orchard, KY · Accident · 2 fatal · Class 3 · Field · Final report · Dec 10, 2021 · N5704V · Substantial damage
  > The noninstrument-rated pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and a loss of airplane control and collision with terrain. Contributing to the accident was…
- [NTSB ERA22LA082](https://openairdocs.org/ntsb/ERA22LA082.md): Beech S35 · Tallahassee, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 7, 2021 · N80YD · Substantial damage
  > A total loss of engine power due to a lack of oil lubrication.
- [NTSB WPR22FA054](https://openairdocs.org/ntsb/WPR22FA054.md): Beech V35 · Visalia, CA · Accident · 4 fatal · Class 3 · Field · Final report · Dec 5, 2021 · N7933M · Substantial damage
  > The pilot’s loss of control due to spatial disorientation shortly after takeoff. Contributing to the accident was the pilot’s decision to depart into night instrument meteorological conditions.
- [NTSB WPR22LA064](https://openairdocs.org/ntsb/WPR22LA064.md): Beech A36 · Tooele, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 24, 2021 · N4370W · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB ERA22LA071](https://openairdocs.org/ntsb/ERA22LA071.md): Cessna 210 · Brent, AL · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 21, 2021 · N5779J · Substantial damage
  > The inadequate maintenance of the oil filter adapter, which resulted in in an engine oil leak and subsequent loss engine oil pressure, and the subsequent off-airport landing.
- [NTSB ENG22LA004](https://openairdocs.org/ntsb/ENG22LA004.md): Beech F33 · Bellefontaine, OH · Occurrence · No injuries · Class 3 · Limited · Final report · Nov 12, 2021 · N9035Q · Minor damage
  > The internal failure of the autopilot pitch servo actuator that caused the autopilot to command a nose down movement of the pitch trim.
- [NTSB CEN22LA018](https://openairdocs.org/ntsb/CEN22LA018.md): Cessna 210 · Dallas, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 20, 2021 · N1235U · Substantial damage
  > A temporary loss of engine power during the takeoff due to a damaged fuel pump, which resulted in a forced landing and a runway excursion. The source of the damage to the fuel pump could not be determined.
- [NTSB ERA22LA005](https://openairdocs.org/ntsb/ERA22LA005.md): Cessna 210 · Columbia, SC · Accident · No injuries · Class 4 · Limited · Final report · Oct 5, 2021 · N6318B · Substantial damage
  > A failure of the landing gear hydraulic power pack for reasons that could not be determined.
- [NTSB ERA22FA001](https://openairdocs.org/ntsb/ERA22FA001.md): Beech S35 · Andrews, NC · Accident · 2 fatal · Class 3 · Field · Final report · Oct 3, 2021 · N876T · Destroyed
  > The pilot’s decision to fly toward rapidly rising, obscured mountainous terrain after departing under visual flight rules at night.
- [NTSB WPR21FA353](https://openairdocs.org/ntsb/WPR21FA353.md): Beech S35 · Billings, MT · Accident · 2 fatal · Class 3 · Field · Final report · Sep 27, 2021 · N354M · Destroyed
  > The pilot’s improper flare, which led to a hard landing, subsequent loss of control, and collision with trees.
- [NTSB CEN21LA474](https://openairdocs.org/ntsb/CEN21LA474.md): Navion Navion H · Burlington, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 16, 2021 · N1061Y · Substantial damage
  > The pilot’s failure to maintain aircraft control during landing with a gusting crosswind that resulted in an aerodynamic stall and a hard impact on the runway.
- [NTSB WPR21LA334](https://openairdocs.org/ntsb/WPR21LA334.md): Bellanca 17-30A · Hurricane, UT · Accident · No injuries · Class 4 · Limited · Final report · Sep 3, 2021 · N15DQ · Substantial damage
  > The pilot's failure to extend the landing gear
- [NTSB CEN21LA391](https://openairdocs.org/ntsb/CEN21LA391.md): Cessna 320 · Windthorst, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 29, 2021 · N222L · Substantial damage
  > A forced landing due to a loss of engine power on the right engine for a reason that could not be determined based on the available evidence.
- [NTSB CEN21LA382](https://openairdocs.org/ntsb/CEN21LA382.md): Beech A36 · Granbury, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2021 · N67CW · Substantial damage
  > The loss of engine power for reasons that could not be determined with the available information.
- [NTSB CEN21LA371](https://openairdocs.org/ntsb/CEN21LA371.md): Cessna 210D · West Fargo, ND · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 10, 2021 · N3944Y · Substantial damage
  > A total loss of engine power due to fuel starvation.
- [NTSB CEN21FA364](https://openairdocs.org/ntsb/CEN21FA364.md): Cessna 210H · Melbourne, AR · Accident · 1 fatal · Class 3 · Field · Final report · Aug 9, 2021 · N5940F · Destroyed
  > The pilot’s failure to maintain control of the airplane with full flaps during the takeoff.
- [NTSB ERA21LA319](https://openairdocs.org/ntsb/ERA21LA319.md): Beech F33A · Oxford, CT · Accident · No injuries · Class 4 · Limited · Final report · Aug 7, 2021 · N4114S · Substantial damage
  > The inadvertent operation of the landing handle during the landing roll, which resulted in a nose gear retraction and subsequent collision with the runway.
- [NTSB ERA21LA315](https://openairdocs.org/ntsb/ERA21LA315.md): Cessna 210N · Somerville, NJ · Accident · No injuries · Class 4 · Limited · Final report · Aug 2, 2021 · N52MM · Substantial damage
  > The pilot’s failure to extend the landing gear, which resulted in a gear up landing and substantial damage to the fuselage.
- [NTSB ANC21LA066](https://openairdocs.org/ntsb/ANC21LA066.md): Cessna U206F · Igiugig, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 2, 2021 · N9608G · Substantial damage
  > The pilot’s improper decision to continue a takeoff attempt when it became evident that the airplane would not become airborne before reaching the departure end shoreline.
- [NTSB WPR21FA273](https://openairdocs.org/ntsb/WPR21FA273.md): Beech V35 · Angwin, CA · Accident · 3 fatal · Class 3 · Field · Final report · Jul 16, 2021 · N112TW · Destroyed
  > The pilot's exceedance of the airplane’s critical angle of attack during an aborted landing after an unstabilized approach and hard landing, which resulted in an aerodynamic stall and impact with trees and terrain. Contributing to the accident was the pilot’s…
- [NTSB CEN21LA317](https://openairdocs.org/ntsb/CEN21LA317.md): Cessna A185F · Blanco, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 5, 2021 · N1393F · Substantial damage
  > The unexpected change in wind speed and direction during the landing which resulted a runway overrun.
- [NTSB ANC21LA051](https://openairdocs.org/ntsb/ANC21LA051.md): Cessna A185F · Hoonah, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2021 · N1199Q · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB ERA21LA281](https://openairdocs.org/ntsb/ERA21LA281.md): Cessna 402A · Fort Lauderdale, FL · Accident · No injuries · Class 4 · Limited · Final report · Jul 2, 2021 · N4550Q · Substantial damage
  > The pilot’s loss of directional control during takeoff with a fogged wind screen and sun glare, which resulted in a runway excursion and a collision with a taxiway sign.
- [NTSB ANC21LA050](https://openairdocs.org/ntsb/ANC21LA050.md): Cessna A185F · Dillingham, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 28, 2021 · N8216J · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with terrain.
- [NTSB CEN21LA279](https://openairdocs.org/ntsb/CEN21LA279.md): Cessna 310R · Portland, IN · Accident · No injuries · Class 3 · Limited · Final report · Jun 19, 2021 · N310LC · Substantial damage
  > The airplane’s collision with a deer on the runway during landing.
- [NTSB CEN21LA221](https://openairdocs.org/ntsb/CEN21LA221.md): Beech A36 · Pinckneyville, IL · Accident · No injuries · Class 3 · Limited · Final report · May 14, 2021 · N1875W · Substantial damage
  > The total loss of engine power due to oil starvation. The reason for the oil starvation could not be determined based on available evidence.
- [NTSB WPR21LA181](https://openairdocs.org/ntsb/WPR21LA181.md): Cessna A185F · Driggs, ID · Accident · No injuries · Class 4 · Limited · Final report · May 2, 2021 · N9BB · Substantial damage
  > The pilot’s failure to maintain directional control while landing with gusting wind conditions, which resulted in a ground loop.
- [NTSB ERA21LA201](https://openairdocs.org/ntsb/ERA21LA201.md): Beech A36 · Lakeland, FL · Accident · 1 fatal · Class 3 · Limited · Final report · May 1, 2021 · N125WC · Destroyed
  > The total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA194](https://openairdocs.org/ntsb/CEN21LA194.md): Cessna A185F · North Vernon, IN · Accident · No injuries · Class 3 · Limited · Final report · Apr 17, 2021 · N19D · Substantial damage
  > The pilot’s improper installation of the fuel selector handle, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB ERA21LA188](https://openairdocs.org/ntsb/ERA21LA188.md): Cessna A188 · Dover, NC · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2021 · N731TB · Substantial damage
  > A total loss of engine power due to a shift of a crankshaft main bearing, which resulted in a lack of lubrication and subsequent overheating and failure of the engine crankshaft. Contributing to the accident was the hard touchdown during the forced landing.
- [NTSB ANC21LA031](https://openairdocs.org/ntsb/ANC21LA031.md): Cessna A185F · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Apr 15, 2021 · N714JE · Substantial damage
  > A loss of control during landing for reasons that could not be determined based on the available evidence.
- [NTSB ERA21FA184](https://openairdocs.org/ntsb/ERA21FA184.md): Cessna A188 · Pineview, GA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 13, 2021 · N4912Q · Destroyed
  > The pilot’s inadequate visual lookout, which resulted in collision with powerlines during an aerial application flight.
- [NTSB ERA21LA174](https://openairdocs.org/ntsb/ERA21LA174.md): Beech A36 · Arcadia, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 6, 2021 · N18394 · Substantial damage
  > A total loss of engine power for underdetermined reasons.
- [NTSB ERA21LA162](https://openairdocs.org/ntsb/ERA21LA162.md): Bellanca 1730 · Bessemer, AL · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 26, 2021 · N93638 · Substantial damage
  > The pilot’s failure to maintain control of the airplane, which resulted in an exceedance of the airplane’s critical angle of attack, and a subsequent aerodynamic stall.
- [NTSB ANC21LA027](https://openairdocs.org/ntsb/ANC21LA027.md): Beech A36 · Port Alsworth, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 20, 2021 · N1820L · Substantial damage
  > The pilot's misidentification of the airport’s active runway, which resulted in an off runway landing and a collision with a snow berm. Contributing to the accident was the runway’s lack of identifying markings.
- [NTSB ANC21LA026](https://openairdocs.org/ntsb/ANC21LA026.md): Cessna A185F · Fairbanks, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 20, 2021 · N58316 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB CEN21LA152](https://openairdocs.org/ntsb/CEN21LA152.md): Cessna A185F · Pueblo, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 7, 2021 · N185RF · Substantial damage
  > The pilot’s failure to maintain directional control in gusting crosswind conditions.
- [NTSB ANC21LA022](https://openairdocs.org/ntsb/ANC21LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2021 · N1848R · Substantial damage
  > Installation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…
- [NTSB ANC21FA015](https://openairdocs.org/ntsb/ANC21FA015.md): Cessna 185 · Chitina, AK · Accident · 2 fatal · Class 3 · Field · Final report · Feb 4, 2021 · N9725Z · Substantial damage
  > An in-flight breakup during cruise flight for reasons that could not be determined based on available evidence.
- [NTSB ERA21LA101](https://openairdocs.org/ntsb/ERA21LA101.md): Beech F33 · Columbia, SC · Accident · 1 fatal · Class 3 · Limited · Final report · Jan 13, 2021 · N266DC · Destroyed
  > The pilot's in-flight loss of airplane control due to spatial disorientation during a missed approach in instrument meteorological conditions.

## 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 year(c."eventDate") = 2021
  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&year=2021

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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.