# NTSB FTW78FA084: Grumman G-159, N91G, Houston, TX, September 24, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 24, 1978
- 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: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 19 uninjured
- Status: Completed, report December 27, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78FA084
- Page: https://openairdocs.org/ntsb/FTW78FA084

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3454  78/9/24    HOUSTON,TX          GRUMMAN G-159       CR-  0  0  2  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1447                    N91G                PX-  0  1 17  CORP/EXEC                 39, 10284 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            955 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HOUSTON HOBBY
        DEPARTURE POINT             INTENDED DESTINATION
          PONCA CITY,OK               HOUSTON,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: GO-AROUND
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           MISCELLANEOUS ACTS,CONDITIONS - FAILURE OF TWO OR MORE ENGINES
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- R ENG SHUT DOWN IN FLT DUE LOW OIL PRES.R PROP NOT FULLY FEATHERED,L ENG NOT ABLE FULL ACCELERATE.
```

## Aircraft

- Registration: [N91G](https://openairdocs.org/deregistered/N91G-1978-10-27), registration cancelled 1978-10-27, S/N 37 (OpenAirDocs)
- Reported make and model: GRUMMAN G-159
- Registry model: [Grumman G-159](https://openairdocs.org/model/grumman-g-159) (registry code 3952202) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Houston Hobby

## 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 19780924038569A](https://openairdocs.org/incident/19780924038569A), Sep 24, 1978: Gulstm G159, Houston, TX, Substantial damage. R eng shut down in flt due low oil pres.r prop not fully feathereeng not able full accelerate.

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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