# NTSB FTW76FRA16: Enstrom F-28A, N494H, Houston, TX, November 3, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 3, 1975
- 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: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 13, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 151950
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW76FRA16
- Page: https://openairdocs.org/ntsb/FTW76FRA16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4166   75/11/3 NR.HOUSTON,TX         ENSTROM F-28A       CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N494H               PX-  0  0  2  DEMONSTRATION             AGE 27, 1596 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            143 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - CAGLE
        DEPARTURE POINT             INTENDED DESTINATION
         HOUSTON,TX                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        REMARKS- 47LBS OVR MAX GROSS WT.
```

## Aircraft

- Registration: [N494H](https://openairdocs.org/aircraft/N494H), registered now, S/N 309, built 1975 (OpenAirDocs)
- Reported make and model: ENSTROM F-28A
- Registry model: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cagle

## 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 19751103035039A](https://openairdocs.org/incident/19751103035039A), Nov 3, 1975: Enstrm F28A, 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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