# NTSB OAK74FVD07: W.Marra Driftr, N72WM, Fremont, CA, September 23, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 23, 1973
- Place: Fremont, CA · FREMONT, CA
- Location: 37.5483° N, 121.9886° W: Placed by OpenAirDocs: center of Fremont, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5483&lon=-121.9886&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 20, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188445
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74FVD07
- Page: https://openairdocs.org/ntsb/OAK74FVD07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2988  73/9/23    FREMONT,CALIF       W.MARRA DRIFTR      CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 45, 130
        TIME - 1100                    N72WM               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 34 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SKY SAILING
        DEPARTURE POINT             INTENDED DESTINATION
          FREMONT,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- LOSS OF CTL FOR UNDET REASON.OBS DESCRIBED ERRATIC FLT.PARACHUTE CAUGHT ON TAIL OF ACFT.
```

## Aircraft

- Registration: [N72WM](https://openairdocs.org/deregistered/N72WM-1973-11-15), registration cancelled 1973-11-15, S/N WRM10 (OpenAirDocs)
- Reported make and model: W.MARRA DRIFTR
- Registry model: [Marra DRIFTER](https://openairdocs.org/model/marra-drifter) (registry code 0562456) (OpenAirDocs)
- Category: Glider, amateur-built
- Engines: none
- Damage: Destroyed
- Airport: Sky Sailing

## 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 19730923032179A](https://openairdocs.org/incident/19730923032179A), Sep 23, 1973: Amtr 0560310, Fremont, CA, Destroyed. Loss of ctl for undet reason.OBS described erratic flt. Parachute caught on tail of acft.

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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