# NTSB SEA69F0129: Hughes 269A, N8772F, Renton, WA, October 29, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 29, 1968
- Place: Renton, WA · RENTON, WA
- Location: 47.4795° N, 122.1949° W: Placed by OpenAirDocs: center of Renton, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4795&lon=-122.1949&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 10, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 107491
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69F0129
- Page: https://openairdocs.org/ntsb/SEA69F0129

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3971  68/10/29   RENTON,WASH         HUGHES 269A         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1245                    N8772F              PX-  0  0  0  DUAL                      30, 1665 TOTAL HOURS, 197
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- PRACTISE AUTOROTATIVE LDG. LOST ROTOR RPM APPROX 400 FT AGL.
```

## Aircraft

- Registration: [N8772F](https://openairdocs.org/deregistered/N8772F-2013-02-27), registration cancelled 2013-02-27, S/N 0096, built 1962 (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: Destroyed

## Other investigations on N8772F (1)

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 SEA66A0016](https://openairdocs.org/ntsb/SEA66A0016), Aug 22, 1965: Hughes 269A (N8772F), Granite Flls, WA, 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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