---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE----------------------------------------------------------------------------------------------------------------------------1-0026 77/3/27 TENERIFE,CANR BOEING 747 CR- 14 0 0 NS/CTR REVENUE PASSG INTL AIRLINE TRANSPORT, AGE TIME - 1706 PH-BUP PX-234 0 0 50, 11700 TOTAL HOURS, DAMAGE-DESTROYED OT-326 34 36 1545 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - LOS RODEOS OPERATOR - KLM DEPARTURE POINT INTENDED DESTINATION AMSTERDAM,NETH LAS PALMAS,CANR TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH AIRCRAFT: BOTH ON GROUND TAKEOFF: RUN FIRE OR EXPLOSION: ON GROUND TAKEOFF: RUN PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. PILOT IN COMMAND - FAILED TO ABORT TAKEOFF FACTOR(S) PILOT IN COMMAND - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS WEATHER - LOW CEILING WEATHER - FOG SKY CONDITION CEILING AT ACCIDENT SITE OBSCURATION UNKNOWN/NOT REPORTED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 1/4 MILE OR LESS DRIZZLE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F FOG 57 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN IFR IFR FIRE AFTER IMPACT REMARKS- TOOK OFF WITHOUT CLEARANCE.DID NOT INTERRUPT TAKE OFF ON LEARNING OTHER ACFT STILL ON RWY.