# NTSB ANC80DA053: Cessna 185, N4557F, Iliamna, AK, June 17, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 17, 1980
- 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: 1 minor, 3 uninjured
- Status: Completed, report September 8, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130477
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC80DA053
- Page: https://openairdocs.org/ntsb/ANC80DA053

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1680  80/6/17  NR.ILIAMNA,AK         CESSNA 185          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 70, 7420
        TIME - 1719                    N4557F              PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          GIBRALTAR LAKE,AK           ENCHANTED LAKE,AK           UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: DIRT BANK                                 LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE CONTROLS: MIXTURE CONTROL ASSEMBLIES
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        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 LAND
        REMARKS- FLOAT EQUIPPED.VALVE SHAFT,P/N 0750173-1,ON INDUCTION SYS AIRBOX FAILED.
```

## Aircraft

- Registration: [N4557F](https://openairdocs.org/aircraft/N4557F), registered now, S/N 185-1061, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 185
- Registry model: [Cessna A185E](https://openairdocs.org/model/cessna-a185e) (registry code 2072818) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19800617029279A](https://openairdocs.org/incident/19800617029279A), Jun 17, 1980: Cessna A185E, Iliamna, AK, Substantial damage. Engine quit on climbout. Crash-landed on bank of lake. Found air valve shaft air box broken. Improper maintenance.

## Other investigations on N4557F (3)

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 ANC13CA069](https://openairdocs.org/ntsb/ANC13CA069), Jul 29, 2013: Cessna A185E (N4557F), Kotzebue, AK, substantial damage. Probable cause: The pilot's lack of situational awareness and failure to maintain adequate clearance from terrain during takeoff. Factors contributing to the accident was the check airmen’s inadequate supervision.
- [NTSB ANC05CA060](https://openairdocs.org/ntsb/ANC05CA060), Apr 18, 2005: Cessna A185E (N4557F), Wasilla, AK, substantial damage. Probable cause: The flight instructor's failure to provide adequate supervision of the second pilot during the landing roll, which resulted in a loss of control and an intentional ground-loop by the instructor. A…
- [NTSB ANC76DAH41](https://openairdocs.org/ntsb/ANC76DAH41), Jul 1, 1976: Cessna 185E (N4557F), Gibralter Lake, 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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