# NTSB DEN72DTC17: Piper PA-18, N3293Z, Yellowstn Prk, WY, January 29, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 29, 1972
- Place: Yellowstn Prk, WY · YELLOWSTN PRK, WY
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 13, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 165098
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN72DTC17
- Page: https://openairdocs.org/ntsb/DEN72DTC17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0419  72/1/29    YELLOWSTN PRK,WYO   PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1430                    N3293Z              PX-  0  0  1  AERIAL SURVEY             44, 15000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GREYBULL,MONT               YELLOWSTN PRK,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
        FACTOR(S)
           WEATHER - FOG
           WEATHER - SNOW
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  10000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          FOG                                                      270
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- ENCTRD VERTIGO IN SNW SHWRS,FLEW INTO BLND CANYON,CRASH LNDD IN TREES,FULL FLAPS-PWR OFF.
```

## Aircraft

- Registration: [N3293Z](https://openairdocs.org/aircraft/N3293Z), registered now, S/N 18-7230 (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

## Other investigations on N3293Z (1)

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 DEN70D0031](https://openairdocs.org/ntsb/DEN70D0031), Jun 13, 1969: Piper PA-18 (N3293Z), Deaver, WY, 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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