# NTSB investigations, 2021: Abrupt maneuver

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 ANC22LA015](https://openairdocs.org/ntsb/ANC22LA015.md): Eurocopter France AS350B2 · Kahului, HI · Accident · No injuries · Class 4 · Limited · Final report · Dec 25, 2021 · N752CH · Substantial damage
  > The pilot’s abrupt flight control inputs to correct for dynamic rollover, resulting in a hard landing.
- [NTSB ERA22LA033](https://openairdocs.org/ntsb/ERA22LA033.md): Beech 23 · Ballston Spa, NY · Accident · No injuries · Class 3 · Limited · Final report · Oct 27, 2021 · N2353Z · Substantial damage
  > The flight instructor’s and student pilot’s inadequate preflight fuel planning and improper in-flight fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB ERA22FA010](https://openairdocs.org/ntsb/ERA22FA010.md): Robinson Helicopter R44 II · Cornwall, NY · Accident · 1 fatal · Class 3 · Field · Final report · Oct 10, 2021 · N637HP · Destroyed
  > The non-instrument-rated pilot’s continued flight into deteriorating weather conditions, which resulted in a loss of control due to spatial disorientation.
- [NTSB CEN22LA008](https://openairdocs.org/ntsb/CEN22LA008.md): Sea & Sky Krucker Cygnet · Point Venture, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 7, 2021 · N38AT · Substantial damage
  > The pilot’s abrupt pitch up maneuver in response to the localized wind conditions which resulted in an aerodynamic stall at low altitude and subsequent impact with water.
- [NTSB GAA21WA244](https://openairdocs.org/ntsb/GAA21WA244.md): Bell 206 · Pereira, Colombia · Accident · No injuries · Class 4 · Foreign · Sep 28, 2021 · HK-4311 · Substantial damage
- [NTSB ERA21FA334](https://openairdocs.org/ntsb/ERA21FA334.md): North American SNJ-2 · Wilkes-Barre, PA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 20, 2021 · N52900 · Destroyed
  > A partial loss of engine power for undetermined reasons. Also causal was the pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for a forced landing following the loss of engine power, which resulted in an aerodynamic stall and…
- [NTSB ERA21FA317](https://openairdocs.org/ntsb/ERA21FA317.md): Rotorway Exec 162F · Argyle, NY · Accident · 2 fatal · Class 3 · Field · Final report · Aug 7, 2021 · N162KJ · Destroyed
  > The pilot’s abrupt control inputs, which resulted in a low G condition, main rotor mast bumping, and the subsequent severing of the tail boom by a main rotor blade.
- [NTSB WPR21FA300](https://openairdocs.org/ntsb/WPR21FA300.md): Robinson Helicopter R66 · Colusa, CA · Accident · 4 fatal · Class 3 · Field · Final report · Aug 1, 2021 · N7000J · Destroyed
  > The pilot’s abrupt flight control input that led to mast bumping and a subsequent in-flight breakup.
- [NTSB WPR21FA298](https://openairdocs.org/ntsb/WPR21FA298.md): Cessna 150 · Banning, CA · Accident · 2 fatal · Class 3 · Field · Final report · Jul 30, 2021 · N8520G · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall and loss of control.
- [NTSB CEN21LA336](https://openairdocs.org/ntsb/CEN21LA336.md): Driver RV-7 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N977RV · 2 aircraft · Substantial damage
  > The RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…
- [NTSB DCA21LA184](https://openairdocs.org/ntsb/DCA21LA184.md): Airbus A321-211 · Romulus, MI · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 22, 2021 · N376DN · No damage
  > While conducting the safety briefing, the forward flight attendant was thrown backwards into the flight deck door due to the sudden stopping of the airplane by the flight crew to prevent a collision with a bus. Contributing to this accident was the bus…
- [NTSB ANC21LA062](https://openairdocs.org/ntsb/ANC21LA062.md): Dehavilland DHC-2 MK 1 · King Salmon, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N68080 · Substantial damage
  > The pilot’s exceedance of the floatplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent loss of control.
- [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 CEN21FA270](https://openairdocs.org/ntsb/CEN21FA270.md): Air Tractor 502B · Paragould, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N6088K · Destroyed
  > An inflight loss of control and subsequent impact with terrain during an aerial application flight for reasons that could not be determined based on the available evidence.
- [NTSB OPS21LA003](https://openairdocs.org/ntsb/OPS21LA003.md): Boeing 737-8H4 · San Diego, CA · Incident · No injuries · Class 3 · Limited · Final report · Jun 11, 2021 · N8674B · 2 aircraft · No damage
  > The blocked go-around radio instruction from the air traffic control tower to the arrival aircraft which resulted in the arrival aircraft continuing the landing approach. This led to a loss of separation between the landing aircraft and the aircraft awaiting…
- [NTSB WPR21LA161](https://openairdocs.org/ntsb/WPR21LA161.md): Rans S12 · Colville, WA · Accident · 2 fatal · Class 3 · Limited · Final report · Apr 17, 2021 · N707PH · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to avoid powerlines, which resulted in an aerodynamic stall and a loss of control. Contributing to the accident was the partial loss of engine power due to improper…
- [NTSB DCA21LA082](https://openairdocs.org/ntsb/DCA21LA082.md): Airbus A320 · Fort Lauderdale, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 8, 2021 · N918NK · No damage
  > An abrupt flight control input by the flight crew during descent that caused a flight attendant to fall and fracture their ankle.
- [NTSB GAA21WA017](https://openairdocs.org/ntsb/GAA21WA017.md): Air Tractor AT502 · Letsatsi Game Lodge, South Africa · Accident · Class 5 · Foreign · Feb 4, 2021 · ZS-XAT · Substantial damage

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '270' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/270/sequence?year=2021

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