# NTSB investigations: Maule M-4-220C: 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 GAA16CA141](https://openairdocs.org/ntsb/GAA16CA141.md): Maule M 4 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Feb 13, 2016 · N2032U · Substantial damage
  > The inadvertent rudder input by the passenger, resulting in a runway excursion during takeoff and collision with a taxiway sign.
- [NTSB ANC12CA047](https://openairdocs.org/ntsb/ANC12CA047.md): Maule M-4-220C · Sterling, AK · Accident · No injuries · Data collection · Final report · May 13, 2012 · N615SD · Substantial damage
  > The pilot's failure to use a preflight checklist and subsequent failure to turn on the airplane's fuel supply, which resulted in a loss of engine power due to fuel starvation.
- [NTSB WPR09FA176](https://openairdocs.org/ntsb/WPR09FA176.md): Maule M-4-220C · Hungry Horse, MT · Accident · 1 fatal · Field investigation · Final report · Apr 1, 2009 · N2007U · Destroyed
  > The pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.
- [NTSB SEA08CA086](https://openairdocs.org/ntsb/SEA08CA086.md): Maule M-4 · Jerome, ID · Accident · No injuries · Data collection · Final report · Mar 5, 2008 · N2039U · Substantial damage
  > The failure of both pilots to maintain directional control of the airplane during takeoff.

## 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 ('5460114')
    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=5460114

---
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.
