# NTSB NYC73AN134: Enstrom F-28A, N9562, Philadelphia, PA, April 17, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 17, 1973
- Place: Philadelphia, PA · PHILADELPHIA, PA
- Location: 39.9523° N, 75.1638° W: Placed by OpenAirDocs: center of Philadelphia, PA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9523&lon=-75.1638&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 3, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169848
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN134
- Page: https://openairdocs.org/ntsb/NYC73AN134

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0530  73/4/17    PHILADELPHIA,PA     ENSTROM F-28A       CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1025                    N9562               PX-  0  0  0  CHECK                     AGE 24, 2845 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            300 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - N PHILADELPHIA
        DEPARTURE POINT             INTENDED DESTINATION
          PHILADELPHIA,PA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           CHECK PILOT - IMPROPER LEVEL OFF
           CHECK PILOT - MISJUDGED ALTITUDE
        REMARKS- WIND GUSTING 21K.TAIL ROTOR HIT RWY FIRST.
```

## Aircraft

- Registration: [N9562](https://openairdocs.org/deregistered/N9562-2013-05-23), registration cancelled 2013-05-23, S/N 072, built 1971 (OpenAirDocs)
- Reported make and model: ENSTROM F-28A
- Registry model: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: N Philadelphia

## 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 19730417008999A](https://openairdocs.org/incident/19730417008999A), Apr 17, 1973: Enstrm F28A, Philadelphia, PA, Substantial damage. Wind gusting 21K.tail rotor hit rwy first.

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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