# NTSB ANC72DAA08: Piper PA-12, N1121W, Big Delta, AK, August 29, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 29, 1971
- Place: Big Delta, AK · BIG DELTA, AK
- Location: 64.1525° N, 145.8422° W: Placed by OpenAirDocs: center of Big Delta, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.1525&lon=-145.8422&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 17, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163974
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAA08
- Page: https://openairdocs.org/ntsb/ANC72DAA08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3329  71/8/29  NR.BIG DELTA,ALAS     PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 67 TOTAL
        TIME - 1300                    N1121W              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 11 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BIG DELTA,ALAS               FAIRBANKS,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- FLOAT EQPD.LAKE 2000FT LONG,50-70FT TREES ONE END,LOWER TREES,BRUSH OTR END.TOOK OFF TWD HI TREES.
```

## Aircraft

- Registration: [N1121W](https://openairdocs.org/deregistered/N1121W-1973-06-05), registration cancelled 1973-06-05, S/N 12-51, built 1946 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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