# NTSB SEA77DYM46: Piper PA-18, N40523, Hermiston, OR, July 7, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 7, 1977
- Place: Hermiston, OR · HERMISTON, OR
- Location: 45.8331° N, 119.2847° W: Placed by OpenAirDocs: center of Hermiston, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.8331&lon=-119.2847&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 7, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145964
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77DYM46
- Page: https://openairdocs.org/ntsb/SEA77DYM46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3100   77/7/7    HERMISTON,OR        PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 140
        TIME - 1430                    N40523              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HERMISTON MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          HERMISTON,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING TAIL WIND 203-247 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           80                                                      270
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- DRIFT OFF RUNWAY,HIT BRAKES,NOSE OVER.
```

## Aircraft

- Registration: [N40523](https://openairdocs.org/aircraft/N40523), registered now, S/N 18-7509123, built 1975 (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
- Airport: Hermiston Muni

## 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 19770707025329A](https://openairdocs.org/incident/19770707025329A), Jul 7, 1977: Piper PA18150, Hermiston, OR, Substantial damage. Drift off runway,hit brakes,nose over.

## Other investigations on N40523 (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 SEA80DYP41](https://openairdocs.org/ntsb/SEA80DYP41), Sep 19, 1980: Piper PA-18 (N40523), Colfax, WA, 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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