# NTSB ANC78DA007: Cessna 207, N1656U, Iliamna, AK, December 23, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 23, 1977
- Place: Iliamna, AK · ILIAMNA, AK
- Location: 59.7568° N, 154.9111° W: Placed by OpenAirDocs: center of Iliamna, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=59.7568&lon=-154.9111&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 5 minor, 3 uninjured
- Status: Completed, report March 9, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143980
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC78DA007
- Page: https://openairdocs.org/ntsb/ANC78DA007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4146  77/12/23 NR.ILIAMNA,AK         CESSNA 207          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 3222
        TIME - 1130                    N1656U              PX-  0  0  7  AIR TAXI-PASSG            TOTAL HOURS, 331 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ILIAMNA,AK                   NAKNEK,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - SNOW
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                           RAIN, SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              37
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           90                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      VFR
```

## Aircraft

- Registration: [N1656U](https://openairdocs.org/deregistered/N1656U-1981-10-15), registration cancelled 1981-10-15, S/N 20700256 (OpenAirDocs)
- Reported make and model: CESSNA 207
- Registry model: [Cessna 207](https://openairdocs.org/model/cessna-207) (registry code 2073602) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19771223042189A](https://openairdocs.org/incident/19771223042189A), Dec 23, 1977: Cessna 207, Iliamna, AK, Destroyed

## Other investigations on N1656U (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 ANC76AA026](https://openairdocs.org/ntsb/ANC76AA026), Aug 25, 1975: Cessna 207 (N1656U), Healy, AK, 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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