# NTSB ANC78DA021: Cessna 401B, N69WW, Hooper Bay, AK, February 16, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 16, 1978
- Place: Hooper Bay, AK · HOOPER BAY, AK
- Location: 61.5099° N, 166.1107° W: Placed by OpenAirDocs: center of Hooper Bay, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.5099&lon=-166.1107&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report October 17, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142818
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC78DA021
- Page: https://openairdocs.org/ntsb/ANC78DA021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2556  78/2/16    HOOPER BAY,AK       CESSNA 401B         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1225                    N69WW               PX-  0  0  3  COMMUTER AIR CARRIER      42, 7760 TOTAL HOURS, 160
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HOOPER BAY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BETHEL,AK                   BETHEL,AK                    CAPE ROMANZOFF,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LANDING GEAR COLLAPSED DURING LANDING ROLL.BRACE LOCK PIN 0841101-1 FAILED.
```

## Aircraft

- Registration: N69WW (not matched to a registry record)
- Reported make and model: CESSNA 401B
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hooper Bay

## 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 19780216029639A](https://openairdocs.org/incident/19780216029639A), Feb 16, 1978: Amtr 2079051, Hooper Bay, AK, Substantial damage. Landing gear collapsed during landing roll. Brace lock pin 0841101AILED.

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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