# NTSB investigations, CA: 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 WPR24FA309](https://openairdocs.org/ntsb/WPR24FA309.md): Nanchang China CJ-6A · Lancaster, CA · Accident · 1 fatal · Class 3 · Field · Final report · Sep 22, 2024 · N313YK · 2 aircraft · Substantial damage
  > The CJ-6A pilot’s failure to maintain separation and the Yak pilot’s failure to monitor the other airplane during a detachment, which resulted in a midair collision.
- [NTSB WPR22FA338](https://openairdocs.org/ntsb/WPR22FA338.md): Czech Sport Piper Sport · Santa Monica, CA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 8, 2022 · N126WK · Destroyed
  > The pilot’s inability to maintain control of the airplane during the landing flare due to the passenger’s excessive control inputs, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall.
- [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 WPR18FA171](https://openairdocs.org/ntsb/WPR18FA171.md): Beech A35 · Hesperia, CA · Accident · 2 fatal · Class 2 · Field · Final report · Jun 15, 2018 · N580B · Destroyed
  > The pilot's failure to maintain airplane control during an attempted return to the airport following the separation of the spinner bulkhead during takeoff as a result of fatigue cracking. Contributing to the accident was the pilot's improper decision to fly…
- [NTSB WPR18FA093](https://openairdocs.org/ntsb/WPR18FA093.md): Cirrus Design SR22T · San Diego, CA · Accident · 1 fatal · Field investigation · Final report · Feb 21, 2018 · N707DF · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during an attempted return to the runway following a total loss of engine power after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the excessive amount of…
- [NTSB WPR17FA120](https://openairdocs.org/ntsb/WPR17FA120.md): Piper PA 28-180 · Santa Rosa Valley, CA · Accident · 2 fatal · Field investigation · Final report · Jun 4, 2017 · N4871L · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while intentionally maneuvering in a steep bank at low altitude, which resulted in an accelerated aerodynamic stall and subsequent loss of control.
- [NTSB WPR17FA101](https://openairdocs.org/ntsb/WPR17FA101.md): Icon A5 · Lake Berryessa, CA · Accident · 2 fatal · Field investigation · Final report · May 8, 2017 · N184BA · Substantial damage
  > The pilot's failure to maintain clearance from terrain while maneuvering at a low altitude. Contributing to the accident was the pilot's mistaken entry into a canyon surrounded by steep rising terrain while at a low altitude for reasons that could not be…
- [NTSB WPR15LA116](https://openairdocs.org/ntsb/WPR15LA116.md): Bell 47G 2A · Ivanhoe, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 27, 2015 · N4774S · Substantial damage
  > The pilot’s failure to maintain clearance from a power line while maneuvering at low altitude.
- [NTSB WPR15TA002](https://openairdocs.org/ntsb/WPR15TA002.md): Rockwell International 690B · Grass Valley, CA · Accident · No injuries · Final report · Oct 4, 2014 · N700PQ · Substantial damage
  > The pilot’s unstabilized approach and failure to go around and his subsequent failure to maintain directional control during the landing roll.
- [NTSB WPR14CA256](https://openairdocs.org/ntsb/WPR14CA256.md): Robinson Helicopter R22 Beta · Long Beach, CA · Accident · No injuries · Data collection · Final report · Jun 20, 2014 · N681SH · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering for landing.
- [NTSB WPR13FA300](https://openairdocs.org/ntsb/WPR13FA300.md): Allstar PZL Glider SZD-54-2 Perkoz · Jacumba, CA · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2013 · N684SD · Substantial damage
  > The premature release of the towline from the glider and the glider’s subsequent right banking turn at low altitude for reasons that could not be determined because postaccident airframe examination did not reveal any evidence of a mechanical malfunction or…
- [NTSB WPR11FA344](https://openairdocs.org/ntsb/WPR11FA344.md): American AA-1A · Corona, CA · Accident · 2 fatal · Field investigation · Final report · Jul 23, 2011 · N34299 · Substantial damage
  > An aggressive flight maneuver performed by the pilot during low altitude flight, which resulted in an aerodynamic stall.
- [NTSB WPR11LA216](https://openairdocs.org/ntsb/WPR11LA216.md): Dralle RV-8 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · May 1, 2011 · N998RV · Substantial damage
  > The pilot's decision to exit the runway while still traveling at an excessive speed and his subsequent loss of directional control.
- [NTSB WPR10FA217](https://openairdocs.org/ntsb/WPR10FA217.md): Piper PA-30 · Merced, CA · Accident · 1 fatal · Field investigation · Final report · Apr 27, 2010 · N847DE · Substantial damage
  > Pilot incapacitation due to the combined effect of multiple unreported medical conditions.
- [NTSB WPR10LA134](https://openairdocs.org/ntsb/WPR10LA134.md): Boeing 737-7H4 · Santa Clarita, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 13, 2010 · N221WN · No damage
  > The pilot’s abrupt airplane pitch change maneuver. Contributing to the accident was the flight crew’s failure to maintain the heading specified by the air traffic controller, which would have avoided the near collision course with an unidentified airplane…

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

This list as a web page: https://openairdocs.org/ntsb-events/270/cases?state=CA

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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.
