# NTSB SEA71DYC45: Beech A23-24, N7985L, Dallesport, WA, June 18, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 18, 1971
- Place: Dallesport, WA · DALLESPORT, WA
- Location: 45.6316° N, 121.1689° W: Placed by OpenAirDocs: center of Dallesport, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.6316&lon=-121.1689&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report December 13, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161107
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DYC45
- Page: https://openairdocs.org/ntsb/SEA71DYC45

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0846  71/6/18    DALLESPORT,WASH     BEECH A23-24        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1411                    N7985L              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  AGE 35, 901 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DALLESPORT,WASH             PENTICTON,CAN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           TERRAIN - OTHER
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              70
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          320                                                       14
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- TKOF FM ARPT AT 243FT MSL,FLEW DRCT TO AND ATMTD TO CLR MT 7MI AWAY 3221FT MSL.DNSTY ALT 3850FT.
```

## Aircraft

- Registration: [N7985L](https://openairdocs.org/deregistered/N7985L-2013-02-27), registration cancelled 2013-02-27, S/N MA-142, built 1966 (OpenAirDocs)
- Reported make and model: BEECH A23-24
- Registry model: [Beech A23-24](https://openairdocs.org/model/beech-a23-24) (registry code 1151226) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.