# NTSB ANC74DAG41: Piper PA-18, N3573P, Kenai, AK, September 2, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 2, 1973
- Place: Kenai, AK · KENAI, AK
- Location: 60.5618° N, 151.2105° W: Placed by OpenAirDocs: center of Kenai, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.5618&lon=-151.2105&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188421
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74DAG41
- Page: https://openairdocs.org/ntsb/ANC74DAG41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3051   73/9/2  NR.KENAI,ALAS         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 400
        TIME - 0630                    N3573P              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         KENAI,ALAS                   ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GEAR COLLAPSED                                           TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           SYSTEMS - ANTI-ICING,DE-ICING SYSTEMS: CARBURETOR DE-ICING SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      32
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- TKOF FROM SAND BAR.CARB HEAT CTL ARM CAME LOOSE AT HEAT BOX.SETTLED INTO GRND.
```

## Aircraft

- Registration: [N3573P](https://openairdocs.org/aircraft/N3573P), registered now, S/N 18-4527, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150) (registry code 7101837) (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

## 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 19730902033899A](https://openairdocs.org/incident/19730902033899A), Sep 2, 1973: Piper PA18A150, Kenai, AK, Substantial damage. Tkof from sand bar. Carb heat ctl arm came loose at heat box. Settled into grnd.

## Other investigations on N3573P (2)

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 ANC11CA020](https://openairdocs.org/ntsb/ANC11CA020), Mar 19, 2011: Piper PA-18A 150 (N3573P), Beluga Lake, AK, substantial damage. Probable cause: The pilot's decision to land on unsuitable terrain, resulting in the airplane nosing over.
- [NTSB ANC04LA002](https://openairdocs.org/ntsb/ANC04LA002), Oct 11, 2003: Piper PA-18-150 (N3573P), Ketchikan, AK, substantial damage. Probable cause: The pilot's failure to maintain adequate airspeed after an aborted landing, which resulted in an inadvertent stall and a ground loop. A factor contributing to the accident was the loss of directional…

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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