CHI71AC031

NTSB accident investigation · Dehavilland DHC-6 · Lacrosse, WI · November 9, 1970

Accident · Serious injuriesClosed
Date
November 9, 1970
Place
Lacrosse, WI · LACROSSE, WI
Injuries
5 serious, 1 minor
Damage
Destroyed
Phase of flight
Approach
Aircraft
N956SMDehavilland DHC-6
Status
Completed · report May 5, 1971
Report
Brief approved by the director
Safety recommendations
Yes
Case key
79653

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
----------------------------------------------------------------------------------------------------------------------------
3-1452   70/11/9   LACROSSE,WIS        DEHAVILLAND DHC-6   CR-  0  2  0  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1608                    N956SM              PX-  0  3  1  COMMUTER AIR CARRIER      27, 2350 TOTAL HOURS, 920
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-PASSG S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LACROSSE MUN.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MINNEAPOLIS,MINN            CHICAGO,ILL                  LACROSSE,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
          PILOT-CAPT FAILED TO MAINT ALT AT MDA,REASONS UNKN
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        REMARKS- IFR NON-PRECISION APCH,DSCNDD BLO TREE HEIGHT.

Aircraft

Registration
N956SM
Reported as
Dehavilland DHC-6
Category
Airplane
Engine
turbo prop
Damage
Destroyed
Airport
Lacrosse Mun.

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.