# NTSB FTW81DPD08: Piper PA-23, N4927P, Fort Worth, TX, January 24, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 24, 1981
- Place: Fort Worth, TX · FORT WORTH, TX
- Location: 32.7254° N, 97.3208° W: Placed by OpenAirDocs: center of Fort Worth, TX, within about 11 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7254&lon=-97.3208&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 18, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127145
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81DPD08
- Page: https://openairdocs.org/ntsb/FTW81DPD08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0104  81/1/24    FORT WORTH,TX       PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             PRIVATE, AGE 65, 1317
        TIME - 1715                    N4927P              PX-  0  0  0  DUAL                      TOTAL HOURS, 62 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SYCAMORE
        DEPARTURE POINT             INTENDED DESTINATION
          FORT WORTH,TX               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LOWER SCISSORS FORK CENTER BOLT FAILED ON RT GR.
```

## Aircraft

- Registration: [N4927P](https://openairdocs.org/deregistered/N4927P-2006-02-09), registration cancelled 2006-02-09, S/N 27-512, built 1962 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-235](https://openairdocs.org/model/piper-pa-23-235) (registry code 7102306) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sycamore

## 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 19810124001969A](https://openairdocs.org/incident/19810124001969A), Jan 24, 1981: Piper PA23235, Ft Worth, TX, Substantial damage. Gear collapsed during landing roll. Investigation revealed bolt broke in lower scissors fork, right gear.

## Other investigations on N4927P (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 FTW99IA024](https://openairdocs.org/ntsb/FTW99IA024), Nov 10, 1998: Piper PA-23-235 (N4927P), Mineral Wells, TX, incident, no damage, 1 fatal. Probable cause: The pilot-in-command's incapacitation due to cardiovascular disease.

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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