# NTSB OAK77FA057: Cessna 150L, N6709G, Mariposa, CA, September 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 21, 1977
- Place: Mariposa, CA · MARIPOSA, CA
- Location: 37.4912° N, 119.9732° W: Placed by OpenAirDocs: center of Mariposa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4912&lon=-119.9732&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report November 28, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144760
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77FA057
- Page: https://openairdocs.org/ntsb/OAK77FA057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3356  77/9/21    MARIPOSA,CA         CESSNA 150L         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1510                    N6709G              PX-  0  0  0  DUAL                      AGE 47, 9719 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            389 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MARIPOSA-YOSEMITE
        DEPARTURE POINT             INTENDED DESTINATION
          MARIPOSA,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIRAL                                            IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
           MISCELLANEOUS ACTS,CONDITIONS - PILOT SUFFERED HEART ATTACK
```

## Aircraft

- Registration: [N6709G](https://openairdocs.org/deregistered/N6709G-1978-01-31), registration cancelled 1978-01-31, S/N 15072209 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Mariposa-Yosemite

## 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 19770921036369A](https://openairdocs.org/incident/19770921036369A), Sep 21, 1977: Cessna 150L, Mariposa, CA, Destroyed

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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