# NTSB ANC81DA057: Short Bros SC7, N20DA, Alexander Lake, AK, May 23, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 23, 1981
- Place: Alexander Lake, AK · ALEXANDER LAKE, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 14, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125529
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DA057
- Page: https://openairdocs.org/ntsb/ANC81DA057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1227  81/5/23    ALEXANDER LAKE,AK   SHORT BROS SC7      CR-  0  0  2  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1245                    N20DA               PX-  0  0  0  AIR TAXI-CARGO            29, 5250 TOTAL HOURS, 501
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ALEXANDER LAKE
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MERRILL FIELD,AK            RETURN                       ALEXANDER LAKE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIGH VEGETATION
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- CO FLT PLAN.RWY SFC SOD & TURF.PLT ELECTED TO LND R OF CTRLNE DUE TREES CLOSE TO L SIDE OF RWY.
```

## Aircraft

- Registration: N20DA (not matched to a registry record)
- Reported make and model: SHORT BROS SC7
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Alexander Lake

## 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 19810523031059A](https://openairdocs.org/incident/19810523031059A), May 23, 1981: Stbros SC73, Alexander Lake, AK, Substantial damage. During landing roll, aircraft wheel rolled onto soft shoulder. Aircraft swerved and nose wheel collapsed.

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.

---
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.