MKC71DTK29

NTSB accident investigation · Alouette 2 · Lake Norden, SD · May 16, 1971

Accident · No injuriesClosed
Date
May 16, 1971
Place
Lake Norden, SD · LAKE NORDEN, SD
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N8398Alouette 2
Status
Completed · report November 30, 1971
Report
Brief approved by the director
Case key
161096

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0690  71/5/16    LAKE NORDEN,S DAK   ALOUETTE 2          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 49, 20000
        TIME - 1830                    N8398               PX-  0  0  2  FERRY                     TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SIOUX FALLS,S DAK           LAKE NORDEN,S DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           HARD LANDING                                             LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           POWERPLANT - MISCELLANEOUS: COMPRESSOR STALLS
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG SUBJCTD TO EXCESSIVE PWR DEMND CAUSING EXTREME OVERTEMP OPS,ENG STALL.

Aircraft

Registration
N8398
Reported as
Alouette 2
Category
Helicopter
Engine
turbo shaft
Damage
Substantial damage