# NTSB investigations: Aero Commander 100: Collision with terr/obj (non-CFIT)

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 CEN24LA069](https://openairdocs.org/ntsb/CEN24LA069.md): Aero Commander 100 · Texarkana, AR · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 18, 2023 · N4104X · Substantial damage
  > The pilot’s improper decision to attempt a go-around with full flaps extended, which resulted in decreased climb performance and led to a collision with trees.
- [NTSB ERA23LA020](https://openairdocs.org/ntsb/ERA23LA020.md): Aero Commander 100 · New Smyrna Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Oct 13, 2022 · N3885X · Substantial damage
  > The pilot’s exceedance of the critical angle of attack during takeoff and corresponding stall/mush. Contributing to the accident were the pilot’s operation of the airplane above the maximum specified gross weight.
- [NTSB CEN15CA324](https://openairdocs.org/ntsb/CEN15CA324.md): Aero Commander 100 · San Antonio, TX · Accident · Serious injuries · Data collection · Final report · Jul 23, 2015 · N5542M · Substantial damage
  > The pilot's improper decision to attempt flight with an unairworthy airplane and improper starting procedure that resulted in an uncontrolled takeoff without the pilot aboard. Contributing was the inoperative airplane battery/engine starter.
- [NTSB CEN12LA192](https://openairdocs.org/ntsb/CEN12LA192.md): Aero Commander 100 · Seguin, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 28, 2012 · N5551M · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN11CA503](https://openairdocs.org/ntsb/CEN11CA503.md): Aero Commander 100 · Llano, TX · Accident · No injuries · Data collection · Final report · Jul 20, 2011 · N3656X · Substantial damage
  > The student pilot's failure to attain the proper touchdown point and the flight instructor's delayed remedial action.
- [NTSB ERA10FA052](https://openairdocs.org/ntsb/ERA10FA052.md): Aero Commander 100 · Weston, FL · Accident · 1 fatal · Field investigation · Final report · Nov 8, 2009 · N4139X · Substantial damage
  > The flight's descent for undetermined reasons, resulting in the in-flight collision with terrain.

## 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 ('0140202')
    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" = '470' 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/470/sequence?model=0140202

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