# NTSB NYC74AN012: Piper PA-23, N94T, University Prk, PA, August 10, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 10, 1973
- Place: University Prk, PA · UNIVERSITY PRK, PA
- Location: 40.8020° N, 77.8564° W: Placed by OpenAirDocs: center of University Park, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8020&lon=-77.8564&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 12, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189628
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74AN012
- Page: https://openairdocs.org/ntsb/NYC74AN012

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1921  73/8/10    UNIVERSITY PRK,PA   PIPER PA-23         CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 0945                    N94T                PX-  0  0  1  AIR TAXI-PASSG            34, 4511 TOTAL HOURS, 367
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - UNIVERSITY PARK
        DEPARTURE POINT             INTENDED DESTINATION
          AMBLER,PA                   UNIVERSITY PRK,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
        REMARKS- INTENDED TO RAISE FLAPS.
```

## Aircraft

- Registration: [N94T](https://openairdocs.org/deregistered/N94T-2011-06-20), registration cancelled 2011-06-20, S/N 27-7305003, built 1973 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: University Park

## 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 19730810025089A](https://openairdocs.org/incident/19730810025089A), Aug 10, 1973: Piper PA23250, University Prk, PA, Substantial damage. Intended to raise flaps.

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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