# NTSB investigations: Beech P35: Loss of control in flight

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 CEN25FA366](https://openairdocs.org/ntsb/CEN25FA366.md): Beech P35 · Englewood, CO · Accident · 2 fatal · Class 3 · Field · Preliminary report · Sep 5, 2025 · N463T · Destroyed
  > On September 5, 2025, about 0623 mountain daylight time, a Beech P35 airplane, N463T, was destroyed when it was involved in an accident near Englewood, Colorado. The pilot receiving instruction and flight instructor were both fatally injured. The airplane was…
- [NTSB WPR23FA287](https://openairdocs.org/ntsb/WPR23FA287.md): Beech P35 · Upland, CA · Accident · 3 fatal · Class 3 · Field · Final report · Jul 30, 2023 · N8572M · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack, for reasons that could not be determined, which resulted in a subsequent aerodynamic stall and impact with a building.
- [NTSB ERA10FA154](https://openairdocs.org/ntsb/ERA10FA154.md): Beech P35 · Edgewater, MD · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2010 · N1521S · Substantial damage
  > The pilot's failure to maintain adequate airspeed while on approach, which resulted in an inadvertent stall. Contributing to the accident was the pilot's likely impairment due to back pain, symptoms of opiate withdrawal, or both.

## 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 ('1151530')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?model=1151530

---
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.