# NTSB FTW81FPM01: Benson B8M, N475, Tulsa, OK, October 9, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 9, 1980
- Place: Tulsa, OK · TULSA, OK
- Location: 36.1540° N, 95.9928° W: Placed by OpenAirDocs: center of Tulsa, OK, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1540&lon=-95.9928&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 21, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128484
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81FPM01
- Page: https://openairdocs.org/ntsb/FTW81FPM01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2698   80/10/9   TULSA,OK            BENSON B8M          CR-  1  0  0  NONCOMMERCIAL             CERTIFICATE UNKNOWN, AGE
        TIME - 1500                    N475                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  33, UNK/NR TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, UNK/NR
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - JONES
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED        UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDETERMINED                                             UNKNOWN/NOT REPORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- NON-US CITIZEN,RECORDS NOT AVBL.
```

## Aircraft

- Registration: [N475](https://openairdocs.org/deregistered/N475-2012-12-13), registration cancelled 2012-12-13, S/N 1, built 1976 (OpenAirDocs)
- Reported make and model: BENSON B8M
- Registry model: [Clifton BENSEN B-8M](https://openairdocs.org/model/clifton-bensen-b-8m) (registry code 13021K3) (OpenAirDocs)
- Registry engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101, reciprocating) (OpenAirDocs)
- Category: Gyroplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Jones

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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