# NTSB MIA68A0081: Hughes 269A, N8714F, Lake Wales, FL, March 28, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 28, 1968
- Place: Lake Wales, FL · LAKE WALES, FL
- Location: 27.9203° N, 81.5996° W: Placed by OpenAirDocs: center of Lake Wales, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.9203&lon=-81.5996&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 28, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 110605
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA68A0081
- Page: https://openairdocs.org/ntsb/MIA68A0081

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4518  68/3/28    LAKE WALES,FLA      HUGHES 269A         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 765
        TIME - 1240                    N8714F              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 745 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG DISENGAGED FROM ROTOR DRIVE SHAFT.SHAFT-ADAPTER SPLINE TEETH FAILED DUE TO LACK OF LUBRICATION
```

## Aircraft

- Registration: [N8714F](https://openairdocs.org/aircraft/N8714F), registered now, S/N 111-0027 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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