# NTSB ANC72DAA09: Piper PA-18, N5398Y, Big Delta, AK, August 19, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 19, 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: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report April 5, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163101
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAA09
- Page: https://openairdocs.org/ntsb/ANC72DAA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3144  71/8/19  NR.BIG DELTA,ALAS     PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 4455
        TIME - 0800                    N5398Y              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 195 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NO.POLE,ALAS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    7000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     180
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- TALKING TO PAX AND LOOKING AT DEAD ANIMAL ON GND.PLT RPTD UNEXPECTED GUST HIT ACFT.
```

## Aircraft

- Registration: [N5398Y](https://openairdocs.org/aircraft/N5398Y), registered now, S/N 18-8151, built 1964 (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

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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