# NTSB ANC78DAG07: Piper PA-18, N9840Q, Dadina River, AK, November 9, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 9, 1977
- Place: Dadina River, AK · DADINA RIVER, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 28, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144266
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC78DAG07
- Page: https://openairdocs.org/ntsb/ANC78DAG07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4278   77/11/9   DADINA RIVER,AK     PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 30, 5010
        TIME - 1200                    N9840Q              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1603 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SANFORD RIVER,AK            DADINA RIVER,AK              DADINA RIVER,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           TERRAIN - SNOW-COVERED
        REMARKS- 12 INCHES SNOW IN LANDING AREA.
```

## Aircraft

- Registration: [N9840Q](https://openairdocs.org/aircraft/N9840Q), registered now, S/N 18-3379 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-135](https://openairdocs.org/model/piper-pa-18-135) (registry code 7101820) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: River Sand Bar

## 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 19771109042669A](https://openairdocs.org/incident/19771109042669A), Nov 9, 1977: Piper PA18135, AK, Substantial damage

## Other investigations on N9840Q (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 ANC09CA099](https://openairdocs.org/ntsb/ANC09CA099), Sep 16, 2009: Piper PA-18 (N9840Q), Chickaloon, AK, substantial damage. Probable cause: The pilot's decision to land on unsuitable terrain, which resulted in a nose-over on landing.

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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