# NTSB FTW77FRA13: Bell 47D1, N9736Z, Houston, TX, February 27, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 27, 1977
- Place: Houston, TX · HOUSTON, TX
- Location: 29.7633° N, 95.3633° W: Placed by OpenAirDocs: center of Houston, TX, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7633&lon=-95.3633&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 21, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157148
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FRA13
- Page: https://openairdocs.org/ntsb/FTW77FRA13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0384  77/2/27    HOUSTON,TX          BELL 47D1           CR-  0  0  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1225                    N9736Z              PX-  0  0  0  TRAINING                  AGE 48, 5185 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            12 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PEARLAND,TX                 HOUSTON,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N9736Z](https://openairdocs.org/deregistered/N9736Z-2014-11-26), registration cancelled 2014-11-26, S/N 15, built 1947 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19770227005569A](https://openairdocs.org/incident/19770227005569A), Feb 27, 1977: Bell 47D1, Houston, TX, Substantial damage

## Other investigations on N9736Z (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 FTW81FA045](https://openairdocs.org/ntsb/FTW81FA045), Feb 10, 1981: Bell 47D1 (N9736Z), Roanoke, TX, 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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