# NTSB investigations, 2011: Electrical system malf/failure

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 CEN12LA060](https://openairdocs.org/ntsb/CEN12LA060.md): Cessna 180 · Eau Claire, WI · Accident · No injuries · Limited investigation · Final report · Nov 12, 2011 · N3606C · Substantial damage
  > The pilot’s disorientation during a night flight, which resulted in an off-airport landing, and his inadequate directional control during the landing roll. Contributing to the accident was the loss of the airplane’s electrical system power.
- [NTSB ERA12CA028](https://openairdocs.org/ntsb/ERA12CA028.md): Piper PA-28R-201T · Culpeper, VA · Accident · No injuries · Data collection · Final report · Oct 6, 2011 · N9268C · Substantial damage
  > The pilot's inadequate knowledge of the airplane's emergency gear extension procedures, which resulted in his failure to successfully perform a manual extension of the landing gear.
- [NTSB ERA11LA502](https://openairdocs.org/ntsb/ERA11LA502.md): Cessna P210N · South Deerfield, MA · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 2011 · N210LE · Substantial damage
  > The failure of the electrical system due to an alternator failure during flight in instrument meteorological conditions, and the pilot’s inadequate preflight inspection and failure to use the approved checklist for the dual alternator system. Contributing to…
- [NTSB WPR11LA378](https://openairdocs.org/ntsb/WPR11LA378.md): Cessna 210L · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Aug 13, 2011 · N732FY · Substantial damage
  > A loss of electrical power while on final approach due to a depleted battery, which resulted in an intentional gear-up emergency landing.
- [NTSB ERA11LA421](https://openairdocs.org/ntsb/ERA11LA421.md): Cessna 172S · Lincoln Park, NJ · Accident · No injuries · Limited investigation · Final report · Jul 23, 2011 · N869BC · Substantial damage
  > The pilot’s improper touchdown point, resulting in a runway overrun and collision with a guardrail.
- [NTSB WPR11FA248](https://openairdocs.org/ntsb/WPR11FA248.md): Piper PA-24-250 · Astoria, OR · Accident · 1 fatal · Field investigation · Final report · Jun 5, 2011 · N511FS · Substantial damage
  > The student pilot’s failure to maintain adequate airspeed while maneuvering for landing, which resulted in a stall/spin. Contributing to the accident were the pilot's distraction and anxiety from a reported failure of the airplane's electrical system.
- [NTSB ERA11CA255](https://openairdocs.org/ntsb/ERA11CA255.md): Beech F33A · Ocala, FL · Accident · No injuries · Data collection · Final report · Apr 21, 2011 · N334J · Substantial damage
  > The pilot's improper flare which resulted in a hard landing. Contributing to the accident was the pilot's distracted attention due to the electrical system failure.
- [NTSB CEN11LA311](https://openairdocs.org/ntsb/CEN11LA311.md): Mooney M20K · New Orleans, LA · Accident · No injuries · Limited investigation · Final report · Apr 7, 2011 · N305M · Substantial damage
  > A loss of electrical and engine power for undetermined reasons.
- [NTSB DCA11IA040](https://openairdocs.org/ntsb/DCA11IA040.md): Airbus A320 · New Orleans, LA · Incident · No injuries · Incident investigation · Final report · Apr 4, 2011 · N409UA · Minor damage
  > the captain's failure to properly recognize and manage the abnormal condition, resulting in it escalating to an in-flight emergency.
- [NTSB CEN11LA186](https://openairdocs.org/ntsb/CEN11LA186.md): Gadbois Eugene W Apex CROSS-5 · Lago Vista, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 11, 2011 · N751EW · Substantial damage
  > The simultaneous loss of engine and electrical power after takeoff for undetermined reasons.
- [NTSB CEN11WA159](https://openairdocs.org/ntsb/CEN11WA159.md): Beech B200 · Montpellier, France · Incident · Minor injuries · Foreign investigation · Jan 7, 2011 · F-GMPO · Minor damage
  > The accident investigation is under the jurisdiction and control of the French government. This report is for informational purposes only and contains only information released by or obtained from the French government or Bureau d’Enquêtes et d’Analyses.…

## 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") = 2011
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '332' 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/332/sequence?year=2011

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