# NTSB SEA71AS033: Aero Comdr 500, Carson, WA, January 9, 1971

- Type: NTSB accident investigation
- Date: January 9, 1971
- Place: Carson, WA · CARSON, WA
- Location: 45.7348° N, 121.8262° W: Placed by OpenAirDocs: center of Carson, WA, within about 6 miles (OpenAirDocs)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: DirectorBrief, October 18, 1971
- NTSB case key (mKey): 159490
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71AS033
- Page: https://openairdocs.org/ntsb/SEA71AS033

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0134   71/1/9    CARSON,WASH         AERO COMDR 500      CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 34, 516
        TIME - 1931                    N8473C              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 207 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HILLSBORO,OREG              SPOKANE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           WEATHER - LOW CEILING
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      VFR
        TYPE OF FLIGHT PLAN
          IFR
         FIRE AFTER IMPACT
        REMARKS- FLEW INTO KNOWN ICING COND. ACFT NOT DE-ICER EQUIPPED. RECOVERY DATE 1/12/71.
```

## Sequence of events

- Uncontrolled descent

## Aircraft

- Registration: N8473C, a cancelled registration (https://openairdocs.org/deregistered/N8473C-1971-04-30) (OpenAirDocs)
- Reported make and model: AERO COMDR 500
- Registry model: Aero Commander 500 (registry code 0141102, https://openairdocs.org/model/aero-commander-500) (OpenAirDocs)
- Category: Airplane
- Damage: Destroyed

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.

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.