# NTSB ANC72DAG70: Cessna 185, N70020, Glennallen, AK, November 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 6, 1971
- Place: Glennallen, AK · GLENNALLEN, AK
- Location: 62.1092° N, 145.5464° W: Placed by OpenAirDocs: center of Glennallen, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.1092&lon=-145.5464&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 1, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164239
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAG70
- Page: https://openairdocs.org/ntsb/ANC72DAG70

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3923   71/11/6   GLENNALLEN,ALAS     CESSNA 185          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1230                    N70020              PX-  0  0  1  BUSINESS                  AGE 54, 16500 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 1 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - GULKANA
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              GLENNALLEN,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER/INADEQUATE SNOW REMOVAL
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
           WEATHER - SNOW
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          SPECIAL VFR
        REMARKS- ACFT HIT SNW BERM NR CENLINE OF RWY,VEERED TO R,HIT LARGE SNW BERM,NSD OVER.
```

## Aircraft

- Registration: [N70020](https://openairdocs.org/deregistered/N70020-2010-04-02), registration cancelled 2010-04-02, S/N 18501895, built 1971 (OpenAirDocs)
- Reported make and model: CESSNA 185
- Registry model: [Cessna A185E](https://openairdocs.org/model/cessna-a185e) (registry code 2072818) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Gulkana

## Other investigations on N70020 (4)

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 ANC07LA071](https://openairdocs.org/ntsb/ANC07LA071), Jul 31, 2007: Cessna 185E (N70020), Talkeetna, AK, substantial damage. Probable cause: The loss of engine power during cruise flight due to an improperly repaired airbox.
- [NTSB ANC93FA081](https://openairdocs.org/ntsb/ANC93FA081), Jun 6, 1993: Cessna A185E (N70020), Anchorage, AK, substantial damage. Probable cause: THE PILOT IN COMMAND EXCEEDING THE MAXIMUM AUTHORIZED GROSS TAKEOFF WEIGHT OF THE AIRPLANE AND HIS FAILURE TO COMPENSATE FOR THE WIND CONDITIONS. A FACTOR IN THE ACCIDENT WAS THE GUSTY WIND CONDITION.
- [NTSB ANC80DA019](https://openairdocs.org/ntsb/ANC80DA019), Dec 6, 1979: Cessna 185 (N70020), Akiachak, AK, substantial damage
- [NTSB ANC75AA024](https://openairdocs.org/ntsb/ANC75AA024), Sep 12, 1974: Cessna 185 (N70020), Bethel, AK, substantial damage

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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