# NTSB ANC71AA034: Cessna 180, N4662U, Iliamna, AK, January 11, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 11, 1971
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report December 2, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159750
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71AA034
- Page: https://openairdocs.org/ntsb/ANC71AA034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0942  71/1/11    ILIAMNA,ALAS        CESSNA 180          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0915                    N4662U              PX-  0  0  3  AIR TAXI-PASSG            AGE 50, 5000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            84 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ILIAMNA
        DEPARTURE POINT             INTENDED DESTINATION
          ILIAMNA,ALAS                PEDRO BAY,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: RUNWAY OR APPROACH LIGHTS                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (OWNER-PILOT)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - WINDSHIELD,DIRTY,FOGGY,ETC.-RESTRICTED VISION
        REMARKS- PLT SERVICED ACFT,FAILED REPLACE OIL CAP,DIDNT CK DURG PREFLT.OIL ON WINDSHIELD.HIT LIGHT STANDARD
```

## Aircraft

- Registration: [N4662U](https://openairdocs.org/aircraft/N4662U), registered now, S/N 18051362, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180G](https://openairdocs.org/model/cessna-180g) (registry code 2072616) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Iliamna

## Other investigations on N4662U (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC74DAG17](https://openairdocs.org/ntsb/ANC74DAG17), Aug 10, 1973: Cessna 180G (N4662U), Iliamna, AK, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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