# NTSB investigations, 2012: Inflight upset

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 WPR13FA070](https://openairdocs.org/ntsb/WPR13FA070.md): Piper PA-31T1 · Ely, NV · Accident · 2 fatal · Field investigation · Final report · Dec 15, 2012 · N93CN · Destroyed
  > The pilot’s failure to regain airplane control following a sudden rapid descent during cruise flight, which resulted in an exceedance of the design stress limits of the aircraft and led to an in-flight structural failure.
- [NTSB CEN13FA101](https://openairdocs.org/ntsb/CEN13FA101.md): Cessna 501 · Detroit Lakes, MN · Accident · No injuries · Field investigation · Final report · Dec 8, 2012 · N212M · Substantial damage
  > A loss of airplane control due to an undetermined avionics malfunction and the pilots’ inattention, which resulted in excessive airframe forces during the unusual attitude recovery. The reason for the avionics malfunction could not be determined because…
- [NTSB ERA12TA538](https://openairdocs.org/ntsb/ERA12TA538.md): Bell 407 · Bath, NY · Accident · Minor injuries · Final report · Aug 31, 2012 · N11SP · Substantial damage
  > The pilot's improper recovery from an in-flight upset, which resulted in the main rotor striking and separating the tail boom. Contributing to the accident was the helicopter manufacturer's failure to warn pilots of unanticipated and unequal aft cyclic…
- [NTSB ERA12CA521](https://openairdocs.org/ntsb/ERA12CA521.md): Cessna 152 · Deland, FL · Accident · Minor injuries · Data collection · Final report · Aug 21, 2012 · N49054 · Substantial damage
  > The pilot’s failure to maintain airplane control on final approach in gusting wind conditions. Contributing to the accident was the pilot’s decision to operate in an environment of thunderstorms and rapidly deteriorating weather.
- [NTSB CEN12FA487](https://openairdocs.org/ntsb/CEN12FA487.md): Mooney M20TN · Adrian, MI · Accident · No injuries · Field investigation · Final report · Jul 27, 2012 · N411JL · Substantial damage
  > An initial nose-pitch-up event and out-of-trim condition, the reason for which could not be determined because the examinations of the airplane did not reveal any anomalies that would have precluded normal operation. Contributing to the accident was the…
- [NTSB ERA12FA433](https://openairdocs.org/ntsb/ERA12FA433.md): Piper PA-32R-300 · New Site, MS · Accident · 3 fatal · Field investigation · Final report · Jul 8, 2012 · N4386F · Substantial damage
  > The pilot's decision to operate into a known area of adverse weather, which resulted in the inadvertent penetration of a severe thunderstorm, a subsequent loss of control, and in-flight breakup of the airplane.
- [NTSB ERA12FA376](https://openairdocs.org/ntsb/ERA12FA376.md): Hawker Beechcraft A36 · Macon, MS · Accident · 1 fatal · Field investigation · Final report · May 31, 2012 · N976S · Substantial damage
  > The pilot's decision to continue flight into an area of known thunderstorms, which resulted in an in-flight breakup. Contributing to the accident was the pilot's lack of experience in actual instrument meteorological conditions and his reliance on datalink…
- [NTSB WPR12FA203](https://openairdocs.org/ntsb/WPR12FA203.md): M Squared Breese · Whitewater, CA · Accident · 1 fatal · Field investigation · Final report · May 13, 2012 · N51336 · Substantial damage
  > The pilot’s decision to fly at low altitude in mountainous terrain in the presence of strong wind and turbulence, which resulted in an aerodynamic upset at too low an altitude for recovery.
- [NTSB DCA12CA042](https://openairdocs.org/ntsb/DCA12CA042.md): Embraer EMB120 · Iliamna, AK · Accident · No injuries · Data collection · Final report · Feb 16, 2012 · N1110J · Substantial damage
  > the maintenance personnel's failure to install the cotter pins that secured castellated nuts on the left elevator vertical hinge bolts, which resulted in the left elevator partially detaching in flight. Contributing to the accident was the failure of…

## 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") = 2012
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '271' 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/271/sequence?year=2012

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