NTSB Identification: LAX88FA187.
The docket is stored on NTSB microfiche number 39066.
Accident occurred Tuesday, May 17, 1988 in GRAND CANYON, AZ
Probable Cause Approval Date: 03/01/1990
Aircraft: CESSNA 182A, registration: N4845D
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE TRIP ITINERARY BEGAN AT 0530 HRS ON THE MORNING OF THE ACCIDENT WITH SEVERAL STOPS PLANNED AT VARIOUS AIRPORTS IN ARIZONA AND NEW MEXICO, WITH A LONG STOPOVER AT PAGE. IN THE EVENING THE PILOT GOT A WX BRIEFING AND FILED A FLIGHT PLAN FOR THE RETURN LEG FROM PAGE TO TUCSON. THE PILOT GAVE HIS ROUTE OF FLIGHT AS V293 AT AN ALTITUDE OF 8,500 FT MSL. THE AIRCRAFT STRUCK TREES ON THE NORTH RIM OF THE GRAND CANYON AT AN ALTITUDE OF 8,540 FT MSL. THE ACCIDENT SITE IS ABOUT 2 DEGREES FROM THE CENTER LINE OF V293. A WITNESS HEARD THE AIRCRAFT APPROACH THE ACCIDENT SITE AND REPORTED STRONG ENGINE SOUNDS UNTIL IMPACT. THE WITNESS SAW THE AIRCRAFT STROBE AND NAVIGATION LIGHTS APPROACH THE ACCIDENT SITE IN LEVEL FLIGHT THEN DISAPPEAR INTO THE TREES; AN EXPLOSION AND FIREBALL WERE SEEN IMMEDIATELY THEREAFTER. THE NIGHT WAS CLEAR AND DARK WITH NO MOON. THE VFR SECTIONAL LISTS 9,200 FT MSL AS THE MINIMUM SECTOR ALTITUDE FOR THE ACCIDENT AREA.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PILOTS SELECTION OF AN INAPPROPRIATE CRUISE ALTITUDE WHICH DID NOT ENSURE ADEQUTE TERRAIN CLEARANCE ON THE LEG OF THE FLIGHT FROM PAGE TO GRAND CANYON, ARIZONA. A FACTOR IN THE ACCIDENT WAS THE PILOT'S FLIGHT SCHEDULE ON THE DAY OF THE ACCIDENT WHICH MAY HAVE PRODUCED A FATIGUE CONDITON.

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