# NTSB ANC71FAD05: Grumman G-21A, N4772C, Wrangell, AK, November 26, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 26, 1970
- Place: Wrangell, AK · WRANGELL, AK
- Location: 56.4708° N, 132.3767° W: Placed by OpenAirDocs: center of Wrangell, AK, within about 29 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=56.4708&lon=-132.3767&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 27, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158776
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71FAD05
- Page: https://openairdocs.org/ntsb/ANC71FAD05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0048  70/11/26   WRANGELL,ALAS       GRUMMAN G-21A       CR-  0  0  1  SCHED DOM PASSG SRV       COMMERCIAL, AGE 34, 3780
        TIME - 1124                    N4772C              PX-  0  0  2                            TOTAL HOURS, 2020 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WRANGELL
        OPERATOR - ALASKA AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          KETCHIKAN,ALAS              RETURN                       WRANGELL,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- RWY WIND REPT RECD BY PLT WAS LESS VELOCITY THAN APPROX 40K ENCOUNTERED. R BRAKE SEIZED ON RECOVRY
```

## Aircraft

- Registration: [N4772C](https://openairdocs.org/deregistered/N4772C-1977-01-14), registration cancelled 1977-01-14, S/N B-131 (OpenAirDocs)
- Reported make and model: GRUMMAN G-21A
- Registry model: [Grumman G-21A](https://openairdocs.org/model/grumman-g-21a) (registry code 3951204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Wrangell

## Other investigations on N4772C (2)

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 MIA76AM066](https://openairdocs.org/ntsb/MIA76AM066), Feb 21, 1976: Grumman G-21A (N4772C), St Croix, VI, destroyed, 5 fatal
- [NTSB MIA74AM031](https://openairdocs.org/ntsb/MIA74AM031), Oct 13, 1973: Grumman G-21A (N4772C), Christiansted, PR, 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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