# NTSB investigations: Cessna P210N: 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 WPR25LA111](https://openairdocs.org/ntsb/WPR25LA111.md): Cessna P210N · Roswell, NM · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 11, 2025 · N711HE · Substantial damage
  > On March 11, 2025, at 1340 mountain daylight time, a Cessna P210N, N711HE, was substantially damaged when it was involved in an accident near Roswell, New Mexico. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…
- [NTSB WPR24LA230](https://openairdocs.org/ntsb/WPR24LA230.md): Cessna P210N · Reno, NV · Accident · No injuries · Class 3 · Limited · Final report · Jun 13, 2024 · N36RW · Substantial damage
  > A loss of electrical power for undetermined reasons, which resulted in a partial extension of the landing gear and subsequent landing gear collapse during landing. Contributing to the accident was fuel starvation that resulted in a total loss of engine power.
- [NTSB WPR24LA157](https://openairdocs.org/ntsb/WPR24LA157.md): Cessna P210 · Daggett, CA · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2024 · N4769K · Substantial damage
  > The pilot’s failure to detect the tripped alternator circuit breaker in flight, which resulted in a drained battery that prevented the landing gear from fully extending to the down-and-locked position. Contributing to the accident was the improperly installed…
- [NTSB ERA21LA159](https://openairdocs.org/ntsb/ERA21LA159.md): Cessna 210 · Marianna, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 18, 2021 · N7736K · Substantial damage
  > The failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure…
- [NTSB CEN19LA147](https://openairdocs.org/ntsb/CEN19LA147.md): Cessna P210 · Yankeetown, FL · Accident · Minor injuries · Class 3 · Limited · Final report · May 17, 2019 · N4861P · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN16LA356](https://openairdocs.org/ntsb/CEN16LA356.md): Cessna P210N · Waco, TX · Accident · No injuries · Limited investigation · Final report · Aug 5, 2016 · N323DC · Substantial damage
  > The failure of the right main landing gear (MLG) down-lock mechanism, which resulted in the collapse of the landing gear. The root cause of the right MLG down-lock mechanism could not be determined because the components were not available for examination.
- [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…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2073454', '2073462')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=2073454

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