# NTSB ANC74AA013: Hughes 369HS, N177ST, Ketchikan, AK, July 30, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 30, 1973
- Place: Ketchikan, AK · KETCHIKAN, AK
- Location: 55.3571° N, 131.6746° W: Placed by OpenAirDocs: center of Ketchikan, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=55.3571&lon=-131.6746&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report January 15, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 188867
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74AA013
- Page: https://openairdocs.org/ntsb/ANC74AA013

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3480  73/7/30  NR.KETCHIKAN,ALAS     HUGHES 369HS        CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, AGE 55, 10287
        TIME - 1205                    N177ST              PX-  0  2  0  SEARCH AND RESCUE         TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
         KETCHIKAN,ALAS               RETURN                       FRANCIS COVE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- HEARD LOUD SNAP,UN MNTN DIR CNTL.NO PRE-IMPACT METAL DISTRESS NOTED EXCEPT GOUGE TO LEAD EDGE T/R.
```

## Aircraft

- Registration: [N177ST](https://openairdocs.org/deregistered/N177ST-2017-07-19), registration cancelled 2017-07-19, S/N 820407S (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (OpenAirDocs)
- Registry engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020, turbo-prop) (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 19730730039359A](https://openairdocs.org/incident/19730730039359A), Jul 30, 1973: Hughes 369HS, Ketchikan, AK, Substantial damage. Heard loud snap,un mntn dir cntl. No pre-impact metal distress noted except gouge to lead edge t/r.

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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