# NTSB SEA71DWG02: Champion C-402, N9981Y, Ephrata, WA, July 6, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 6, 1970
- Place: Ephrata, WA · EPHRATA, WA
- Location: 47.3121° N, 119.5344° W: Placed by OpenAirDocs: center of Ephrata, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.3121&lon=-119.5344&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 20, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 114221
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DWG02
- Page: https://openairdocs.org/ntsb/SEA71DWG02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2841   70/7/6    EPHRATA,WASH        CHAMPION C-402      CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1345                    N9981Y              PX-  0  0  0  DUAL                      AGE 27, 1011 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            7 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - EPHRATA
        DEPARTURE POINT             INTENDED DESTINATION
          EPHRATA,WASH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N9981Y](https://openairdocs.org/aircraft/N9981Y), registered now, S/N 25, built 1964 (OpenAirDocs)
- Reported make and model: CHAMPION C-402
- Registry model: [Champion 402](https://openairdocs.org/model/champion-402) (registry code 2110204) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ephrata

## Other investigations on N9981Y (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 CHI93LA289](https://openairdocs.org/ntsb/CHI93LA289), Jul 27, 1993: Champion 402 (N9981Y), Valparaiso, IN, substantial damage. Probable cause: FAILURE OF THE EXHAUST STACK ASSEMBLY.

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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