NTSB Identification: ANC86FA130.
The docket is stored on NTSB microfiche number 33059.
Accident occurred Tuesday, August 19, 1986 in HINCHINBROOK IS, AK
Probable Cause Approval Date: 02/09/1988
Aircraft: CESSNA 177RG, registration: N52137
Injuries: 3 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.

AT 1323 ADT, THE PLT RPRTD NEAR HINCHINBROOK ISLAND & REQUESTED CLEARANCE FOR AN NDB-A APCH TO THE CORDOVA MILE 13 ARPT. ABOUT 3 MIN LATER, CORDOVA FSS PROVIDED CLEARANCE FOR THE APCH 'FROM OVER HINCHINBROOK.' RADAR DATA SHOWED THAT THE ACFT FLEW TO THE JOHNSTONE POINT (JOH) VOR, THEN BEGAN TRACKING ON A SSE HEADING TOWARD THE SUBSEQUENT ACCIDENT SITE. THE ACFT IMPACTED NEAR THE TOP OF A MTN AT AN ELEV OF ABOUT 2000 FT, APRX 10 MI SSE OF THE JOH VOR. FOR THE JOH TRANSITION (TO THE NDB-A APCH), THE PLT SHOULD HAVE TRACKED OUTBOUND FROM THE VOR FOR 15.5 MI ON A HEADING OF 083 DEG, WITH A MIN ALT OF 4000 FT, TO THE HINCHINBROOK INITIAL APCH FIX (IAP).

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

IFR PROCEDURE..NOT FOLLOWED..PILOT IN COMMAND

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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