# NTSB SEA78DYP03: Hughes 369D, N8601F, Spokane, WA, October 12, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 12, 1977
- Place: Spokane, WA · SPOKANE, WA
- Location: 47.6588° N, 117.4260° W: Placed by OpenAirDocs: center of Spokane, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6588&lon=-117.4260&mi=10
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144543
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYP03
- Page: https://openairdocs.org/ntsb/SEA78DYP03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3388  77/10/12   SPOKANE,WA          HUGHES 369D         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1220                    N8601F              PX-  0  0  0  DUAL                      AGE 52, 10722 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 83 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SPOKANE,WA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
        REMARKS- LATE RCVRY FM PRACTICE AUTO. IP ALSO MISJUDGED ALT,NEW BI-FOCALS.
```

## Aircraft

- Registration: [N8601F](https://openairdocs.org/deregistered/N8601F-2013-05-15), registration cancelled 2013-05-15, S/N 470121D, built 1977 (OpenAirDocs)
- Reported make and model: HUGHES 369D
- Registry model: [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d) (registry code 4470706) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- 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 19771012032019A](https://openairdocs.org/incident/19771012032019A), Oct 12, 1977: Hughes 369HE, Spokane, WA, Substantial damage. Late rcvry fm practice auto. Ip also misjudged alt,new bi-focals.

## Other investigations on N8601F (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 SEA79FYP17](https://openairdocs.org/ntsb/SEA79FYP17), May 9, 1979: Hughes 369D (N8601F), Spokane, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.