# NTSB SEA79FA051: Maule M-4, N40332, Vancouver, WA, August 22, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 22, 1979
- Place: Vancouver, WA · VANCOUVER, WA
- Location: 45.6387° N, 122.6615° W: Placed by OpenAirDocs: center of Vancouver, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.6387&lon=-122.6615&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report September 20, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 134190
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79FA051
- Page: https://openairdocs.org/ntsb/SEA79FA051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2672  79/8/22    VANCOUVER,WA        MAULE M-4           CR-  0  0  1  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 1600                    N40332              PX-  0  0  1  TEST                      57, 12900 TOTAL HOURS, 22
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PEARSON AIRPARK
        DEPARTURE POINT             INTENDED DESTINATION
          VANCOUVER,WA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE PRESSURE
           MISCELLANEOUS ACTS,CONDITIONS - ENGINE LOADED UP
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- TEST FLIGHT FOR ENG STC.WITH BOTH PRIMARY & AUX FUEL PUMPS OPERATING FUEL LEAKED FM MAIN JET.
```

## Aircraft

- Registration: [N40332](https://openairdocs.org/deregistered/N40332-2012-11-15), registration cancelled 2012-11-15, S/N 2107C, built 1972 (OpenAirDocs)
- Reported make and model: MAULE M-4
- Registry model: [Maule M-4-220C](https://openairdocs.org/model/maule-m-4-220c) (registry code 5460114) (OpenAirDocs)
- Registry engine: [Franklin 6V 350 series](https://openairdocs.org/engine/franklin-6v-350-series) (registry code 27043, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pearson Airpark

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790822027739A](https://openairdocs.org/incident/19790822027739A), Aug 22, 1979: Maule M4, Vancouver, WA, Substantial damage. FAA flight test evaluation of engine. Engine failed on approach to landing, resulting in crash short of runway.

## Other investigations on N40332 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN74FTE82](https://openairdocs.org/ntsb/DEN74FTE82), Jun 2, 1974: Maule M4220C (N40332), Dove Creek, CO, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
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.