# NTSB SEA74DYC16: Cessna 170A, N9211A, Imnaha, OR, September 15, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 15, 1973
- Place: Imnaha, OR · IMNAHA, OR
- Location: 45.5593° N, 116.8332° W: Placed by OpenAirDocs: center of Imnaha, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5593&lon=-116.8332&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 187937
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DYC16
- Page: https://openairdocs.org/ntsb/SEA74DYC16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3755  73/9/15    IMNAHA,OREG         CESSNA 170A         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 47, 797
        TIME - 0935                    N9211A              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 339 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LORD FLAT
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BOISE,ID                    PULLMAN,WASH                 IMNAHA,OREG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      55
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ACFT DEP RWY 18. THE RWY SLOPES UPHILL. ARPT DRCTRY STATES DEP N LND S.
```

## Aircraft

- Registration: [N9211A](https://openairdocs.org/deregistered/N9211A-2018-03-16), registration cancelled 2018-03-16, S/N 18972, built 1949 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lord Flat

## 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 19730915036739A](https://openairdocs.org/incident/19730915036739A), Sep 15, 1973: Cessna 170A, Imnaha, OR, Substantial damage. Acft dep rwy 18. The rwy slopes uphill. Arpt drctry states dep n lnd s.

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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