# NTSB ANC73DAG68: Piper PA-18, N4233Z, Iliamna, AK, December 7, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 7, 1972
- 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: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 3, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169305
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73DAG68
- Page: https://openairdocs.org/ntsb/ANC73DAG68

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3892   72/12/7   ILIAMNA,ALAS        PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 54, 160
        TIME - 1015                    N4233Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 6 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ILIAMNA ROADHOUSE
        DEPARTURE POINT             INTENDED DESTINATION
          ILIAMNA,ALAS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
        REMARKS- HEELS NOT ON BRAKES.HIT FROZEN SPOT ON RWY,LOST CTL.
```

## Aircraft

- Registration: [N4233Z](https://openairdocs.org/aircraft/N4233Z), registered now, S/N 18-8459, built 1966 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Iliamna Roadhouse

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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