# NTSB ANC81FA069: Cessna 207, N6331H, Mt Denali, AK, June 23, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 23, 1981
- Place: Mt Denali, AK · MT DENALI, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report December 3, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125271
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FA069
- Page: https://openairdocs.org/ntsb/ANC81FA069

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2834  81/6/23    MT DENALI,AK        CESSNA 207          CR-  1  0  0  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - UNK/NR                  N6331H              PX-  4  0  0  AIR TAXI-PASSG            34, 3500 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,AK                MT DENALI,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        FACTOR(S)
           WEATHER - OTHER
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND VELOCITY-KNOTS
          UNKNOWN/NOT REPORTED                                     CALM
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          UNKNOWN/NOT REPORTED                                     OTHER
        REMARKS- CRASHED NR CIRCULAR END OF BOX CANYON,CANYON WALLS BTN 8000 & 13000FT.PEAKS OBSCD BY CLDS.
```

## Aircraft

- Registration: N6331H (not matched to a registry record)
- Reported make and model: CESSNA 207
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810623035659A](https://openairdocs.org/incident/19810623035659A), Jun 23, 1981: Cessna 207A, Mt Mckinley, AK, Destroyed, 4 fatal. Flew into box canyon, unable to outclimb vertical walls. Struck canyon wall and disentigrated trying to make 180.

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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