# NTSB FTW78FQG41: Piper PA-36, N9958P, Lubbock, TX, July 21, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 21, 1978
- Place: Lubbock, TX · LUBBOCK, TX
- Location: 33.5779° N, 101.8552° W: Placed by OpenAirDocs: center of Lubbock, TX, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.5779&lon=-101.8552&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 30, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140653
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78FQG41
- Page: https://openairdocs.org/ntsb/FTW78FQG41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2109  78/7/21    LUBBOCK,TX          PIPER PA-36         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N9958P              PX-  0  0  0  TEST                      AGE 52, 10114 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 480 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LUBBOCK REGIONAL
        DEPARTURE POINT             INTENDED DESTINATION
          LUBBOCK,TX                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           POWERPLANT - ENGINE ACCESSORIES: HYDRAULIC PUMPS
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           TERRAIN - HIGH VEGETATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ACFT CERT EXP.HYD PUMP MAX CONTINUOUS TORQUE EXCEEDED FAILING FUEL PUMP.
```

## Aircraft

- Registration: [N9958P](https://openairdocs.org/deregistered/N9958P-2009-09-18), registration cancelled 2009-09-18, S/N 36-7560069, built 1975 (OpenAirDocs)
- Reported make and model: PIPER PA-36
- Registry model: [Piper PA-36-285](https://openairdocs.org/model/piper-pa-36-285) (registry code 7103610) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lubbock Regional

## 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 19780721020719A](https://openairdocs.org/incident/19780721020719A), Jul 21, 1978: Piper PA36285, Lubbock, TX, Substantial damage. Acft cert exp. Hyd pump max continuous torque exceeded failing fuemp.

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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