# NTSB FTW73FPJ17: Hughes 269B, N115AC, Enid, OK, April 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 21, 1973
- Place: Enid, OK · ENID, OK
- Location: 36.3956° N, 97.8784° W: Placed by OpenAirDocs: center of Enid, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.3956&lon=-97.8784&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report May 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170653
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW73FPJ17
- Page: https://openairdocs.org/ntsb/FTW73FPJ17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0812  73/4/21    ENID,OKLA           HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 37, 2291
        TIME - 1120                    N115AC              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ENID,OKLA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- PILOT ATTEMPTED PRECAUTIONARY LANDING DUE TO SUSPECTED MECH DISCREPANCY.ALLOWED ROTOR RPM TO DECAY
```

## Aircraft

- Registration: [N115AC](https://openairdocs.org/aircraft/N115AC), registered now, S/N 580367, built 1968 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19730421011919A](https://openairdocs.org/incident/19730421011919A), Apr 21, 1973: Hughes 269B, Enid, OK, Substantial damage. Pilot attempted precautionary landing due to suspected mech discrepancy. Allowed rotor RPM to decay

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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