# NTSB OAK71DXQ49: Hughes 269B, N9331F, Taylorsville, CA, June 14, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 14, 1971
- Place: Taylorsville, CA · TAYLORSVILLE, CA
- Location: 40.0587° N, 120.8387° W: Placed by OpenAirDocs: center of Taylorsville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0587&lon=-120.8387&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 15, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161907
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DXQ49
- Page: https://openairdocs.org/ntsb/OAK71DXQ49

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2128  71/6/14    TAYLORSVILLE,CAL    HUGHES 269B         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1502
        TIME - 1425                    N9331F              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 251 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TAYLORSVILLE,CAL            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- PLT EXCEEDED CAPABLTS OF ACFT HOVRNG 70FT AGL AT DENS ALT OF 7500FT.PLT LOST RPM,SETLD INTO TREES.
```

## Aircraft

- Registration: [N9331F](https://openairdocs.org/deregistered/N9331F-1990-01-17), registration cancelled 1990-01-17, S/N 340037 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

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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