# NTSB ANC77FAD10: Volmer UJ-22, N4600, Hump Island, AK, July 2, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 2, 1977
- Place: Hump Island, AK · HUMP ISLAND, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 31, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147375
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77FAD10
- Page: https://openairdocs.org/ntsb/ANC77FAD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3132   77/7/2    HUMP ISLAND,AK      VOLMER UJ-22        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 83 TOTAL
        TIME - 1630                    N4600               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 76 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JUNEAU,AK                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-DOWN LANDING IN WATER                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- PLT SUSPECTS CARB ICE.AMPHIBIOUS ACFT,GR DOWN LOCKS WOULD NOT RELEASE.
```

## Aircraft

- Registration: [N4600](https://openairdocs.org/aircraft/N4600), registered now, S/N 46, built 1971 (OpenAirDocs)
- Reported make and model: VOLMER UJ-22
- Registry model: [Griswold VOLMER SPORTSMAN 22](https://openairdocs.org/model/griswold-volmer-sportsman-22) (registry code 95702FZ) (OpenAirDocs)
- Registry engine: [Lycoming O-290-D](https://openairdocs.org/engine/lycoming-o-290-d) (registry code 42089, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- 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 19770702021369A](https://openairdocs.org/incident/19770702021369A), Jul 2, 1977: Amtr 95702FZ, Hump Island, AK, Substantial damage. Plt suspects carb ice. Amphibious acft,gr down locks would not release.

## Other investigations on N4600 (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 MKC76FER74](https://openairdocs.org/ntsb/MKC76FER74), Jul 1, 1976: Volmer VJ-22 (N4600), Fairmont, MN, 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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