# NTSB NYC68D0363: Piper PA-22, N4738Z, Warrington, PA, February 4, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 4, 1968
- Place: Warrington, PA · WARRINGTON, PA
- Location: 40.2493° N, 75.1341° W: Placed by OpenAirDocs: center of Warrington, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2493&lon=-75.1341&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112333
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC68D0363
- Page: https://openairdocs.org/ntsb/NYC68D0363

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0180   68/2/4    WARRINGTON,PA       PIPER PA-22         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 22, 22 TOTAL
        TIME - 1230                    N4738Z              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - WARRINGTON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           35                                                      350
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- MISUSED BRAKES- QUARTERING TAILWIND 15K GUSTING TO 20K. TAXYING DOWNSLOPE.
```

## Aircraft

- Registration: [N4738Z](https://openairdocs.org/aircraft/N4738Z), registered now, S/N 22-8289 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Warrington

## Other investigations on N4738Z (2)

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 NYC70D0025](https://openairdocs.org/ntsb/NYC70D0025), Jul 2, 1969: Piper PA-22 (N4738Z), Warrington, PA, substantial damage
- [NTSB NYC69D0262](https://openairdocs.org/ntsb/NYC69D0262), Dec 8, 1968: Piper PA-22 (N4738Z), Warrington, PA, 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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