# NTSB OAK67A0046: Hughes 269B, N9307F, Milpitas, CA, October 27, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 27, 1966
- Place: Milpitas, CA · MILPITAS, CA
- Location: 37.4331° N, 121.8909° W: Placed by OpenAirDocs: center of Milpitas, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4331&lon=-121.8909&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 22, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120971
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67A0046
- Page: https://openairdocs.org/ntsb/OAK67A0046

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1010  66/10/27   MILPITAS CALIF      HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1410                    N9307F              PX-  0  0  0  PRACTICE                  43, 10574 TOTAL HOURS, 26
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        REMARKS- PILOT PRACTICING AUTOROTATIVE LANDINGS. PILOT PROFICIENCY FLIGHT.
```

## Aircraft

- Registration: [N9307F](https://openairdocs.org/deregistered/N9307F-1997-07-24), registration cancelled 1997-07-24, S/N 1230009 (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

## Other investigations on N9307F (1)

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.

- [NTSB CHI82DA327](https://openairdocs.org/ntsb/CHI82DA327), Aug 28, 1982: Hughes 269B (N9307F), Medina, OH, 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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