# NTSB OAK78FVD54: Grumman TS-2A, N448DF, Laytonville, CA, August 20, 1978

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 20, 1978
- Place: Laytonville, CA · LAYTONVILLE, CA
- Location: 39.6623° N, 123.4948° W: Placed by OpenAirDocs: center of Laytonville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.6623&lon=-123.4948&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 19, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139582
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FVD54
- Page: https://openairdocs.org/ntsb/OAK78FVD54

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2511  78/8/20  NR.LAYTONVILLE,CA     GRUMMAN TS-2A       CR-  1  0  0  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1746                    N448DF              PX-  0  0  0  FIRE CONTROL              29, 6273 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1912 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          UKIAH,CA                   LAYTONVILLE,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N448DF](https://openairdocs.org/deregistered/N448DF-1981-12-23), registration cancelled 1981-12-23, S/N 179, built 1956 (OpenAirDocs)
- Reported make and model: GRUMMAN TS-2A
- Registry model: [Grumman S2F-1 (TS-2A)](https://openairdocs.org/model/grumman-s2f-1-ts-2a) (registry code 3951102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19780820028079A](https://openairdocs.org/incident/19780820028079A), Aug 20, 1978: Gruman TS2ACALFORST, Laytonville, 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.

---
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.