# NTSB ANC74DAH07: Piper PA-18, N4033Z, Summit, AK, May 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 12, 1974
- Place: Summit, AK · SUMMIT, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 29, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 125930
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74DAH07
- Page: https://openairdocs.org/ntsb/ANC74DAH07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2121  74/5/12  NR.SUMMIT,ALAS        PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 48, 10000
        TIME - 0700                    N4033Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KAHILTNA RIVER,ALAS         CANTNELL,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        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                                                      40
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       30
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WHILE SPOTTING ANIMALS IN MTNS,DOWNDRAFT ENCOUNTERED.ACFT CRASHED ON SLOPE.GUSTING TO 45K.
```

## Aircraft

- Registration: [N4033Z](https://openairdocs.org/aircraft/N4033Z), registered now, S/N 18-7993, built 1963 (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

## 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 19740512021259A](https://openairdocs.org/incident/19740512021259A), May 12, 1974: Piper PA18150, Summit, AK, Substantial damage. While spotting animals in mtns,downdraft encountered. Acft crashed on slope. Gusting to 45K.

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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