# NTSB MIA72AM051: Hughes 269C, N9621F, Hallandale, FL, December 3, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 3, 1971
- Place: Hallandale, FL · HALLANDALE, FL
- Location: 28.5147° N, 82.2900° W: Placed by OpenAirDocs: center of Hill 'n Dale, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.5147&lon=-82.2900&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report April 11, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164557
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA72AM051
- Page: https://openairdocs.org/ntsb/MIA72AM051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3273   71/12/3   HALLANDALE,FLA      HUGHES 269C         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0900                    N9621F              PX-  0  0  2  CTR PASSG-D               AGE 28, 4283 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            450 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OPA LOCKA,FLA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 1 EXHST VALVE FAILED.
```

## Aircraft

- Registration: [N9621F](https://openairdocs.org/deregistered/N9621F-1975-06-02), registration cancelled 1975-06-02, S/N 800035, built 1970 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9621F (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 MIA74AM096](https://openairdocs.org/ntsb/MIA74AM096), May 23, 1974: Hughes 269C (N9621F), Key West, FL, destroyed, 2 fatal

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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