OAK75AP035

NTSB accident investigation · British AC 1-11 · So Lake Tahoe, CA · February 9, 1975

Accident · Serious injuriesClosed
Date
February 9, 1975
Place
So Lake Tahoe, CA · SO LAKE TAHOE, CA
Injuries
1 serious, 5 minor, 38 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N711STBritish AC 1-11
Status
Completed · report June 26, 1975
Report
Brief approved by the director
FAA report
19750209004399A
Case key
148156

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

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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
----------------------------------------------------------------------------------------------------------------------------
3-1135   75/2/9    SO LAKE TAHOE,CA    BRITISH AC 1-11     CR-  0  0  6  NONCOMMERCIAL             COMMERCIAL, AGE 43, 6191
        TIME - 0956                    N711ST              PX-  0  1 37  CORP/EXEC                 TOTAL HOURS, 1014 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - LAKE TAHOE
        DEPARTURE POINT             INTENDED DESTINATION
          SO LAKE TAHOE,CA            DENVER,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
           COPILOT - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER/INADEQUATE SNOW REMOVAL
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
           WEATHER - LOW CEILING
           WEATHER - SNOW
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               100
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          BLOWING SNOW                                             TAIL WIND 158-202 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           31                                                      170
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           7                                                       IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- ATTMPTD TKOF FRM PARTIALLY CLRD RWY IN LOW VIS DUE HEAVY SNOW.HIT SNOW BERM & LOST CTL.

Aircraft

Registration
N711ST
Reported as
British AC 1-11
Category
Airplane
Engine
turbo jet
Damage
Substantial damage
Airport
Lake Tahoe

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.