# NTSB DEN76FQA04: Mooney M20F, N6321Q, Albuquerque, NM, July 18, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 18, 1975
- Place: Albuquerque, NM · ALBUQUERQUE, NM
- Location: 35.0845° N, 106.6511° W: Placed by OpenAirDocs: center of Albuquerque, NM, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0845&lon=-106.6511&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report December 5, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150502
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76FQA04
- Page: https://openairdocs.org/ntsb/DEN76FQA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3215  75/7/18    ALBUQUERQUE,NM      MOONEY M20F         CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 52, 1054
        TIME - 1138                    N6321Q              PX-  0  1  0  BUSINESS                  TOTAL HOURS, 34 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ALBUQUERQUE INTL
        DEPARTURE POINT             INTENDED DESTINATION
          CLOVIS,NM                   LAS VEGAS,NV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        FACTOR(S)
           TERRAIN - SANDY
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT FAILED IN #4 JOURNAL.PLT OVR FLEW TWO RWYS DRG APCH.SVR VIBRATION OPENED CABIN DOOR.
```

## Aircraft

- Registration: [N6321Q](https://openairdocs.org/aircraft/N6321Q), registered now, S/N 670414, built 1967 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Albuquerque Intl

## 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 19750718022789A](https://openairdocs.org/incident/19750718022789A), Jul 18, 1975: Mooney M20F, Albuquerque, NM, Destroyed. Crankshaft failed in #4 journal. Plt ovr flew two rwys drg apch. Svr vibration opened cabin door.

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.

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