# NTSB LAX78FA009: Mooney M20B, N74771, Tucson, AZ, November 26, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 26, 1977
- Place: Tucson, AZ · TUCSON, AZ
- Location: 32.2217° N, 110.9265° W: Placed by OpenAirDocs: center of Tucson, AZ, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2217&lon=-110.9265&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report July 7, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144234
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX78FA009
- Page: https://openairdocs.org/ntsb/LAX78FA009

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4208  77/11/26   TUCSON,AZ           MOONEY M20B         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 30, 2285
        TIME - 0944                    N74771              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 14 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TUCSON INTL
        DEPARTURE POINT             INTENDED DESTINATION
          TUCSON,AZ                   GRAND CANYON,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- #4 CONROD & BEARING SEPD.ENG SCORED & DISCOLORED.EMERG FIELD NEARBY.
```

## Aircraft

- Registration: [N74771](https://openairdocs.org/deregistered/N74771-1978-02-06), registration cancelled 1978-02-06, S/N 1771 (OpenAirDocs)
- Reported make and model: MOONEY M20B
- Registry model: [Mooney M20B](https://openairdocs.org/model/mooney-m20b) (registry code 5870206) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Tucson 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 19771126040689A](https://openairdocs.org/incident/19771126040689A), Nov 26, 1977: Mooney M20B, Tucson, AZ, Destroyed, 1 fatal. #4 Conrod & bearing sepd. Eng scored & discolored. Emerg field nearby.

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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