Aviation Accident Summaries

Aviation Accident Summary SEA83FA057

SODA SPRINGS, ID, USA

Aircraft #1

N4606U

CESSNA TU206G

Analysis

A SEARCH FOR THE AIRCRAFT WAS BEGUN AFTER THE PILOT'S RELATIVES REPORTED IT WAS OVERDUE AND RESIDENTS NEAR THE CRASH SITE HEARD THE SOUNDS OF A LOW FLYING PLANE SUDDENLY TERMINATE. UNOFFICIAL REPORTS OF THE WEATHER INDICATED IT WAS ABOUT 200 FT OBSCURED, 1/4 MI VISIBILITY WITH HEAVY SNOW, TEMP 30 DEG, WIND 200 DEG AT 5 KTS. THE AIRCRAFT WAS FOUND IN FEBRUARY 1983 BY A CROSS-COUNTRY SKIER. AN INVESTIGATION REVEALED IT HAD CRASHED AT HIGH SPEED IN A NEAR VERTICAL DIVE. THE NON-INSTRUMENT RATED PILOT HAD NOT FILED A FLIGHT PLAN AND NO RECORD OF A WEATHER BRIEFING WAS FOUND. THERE WERE NO COMMUNICATIONS WITH THE PILOT AFTER HE DEPARTED THE SALT LAKE CITY AREA. HE HAD BEEN ASSIGNED A DISCRETE TRANSPONDER CODE DURING DEPARTURE AND HAD NOT CHANGED THE CODE, THUS A RADAR TRACK WAS OBTAINED. THE RADAR SHOWED A CONTINUOUS TRACK TO THE AREA OF THE ACCIDENT, THEN WAS INTERMITTENTLY LOST AND REMAINED IN "BOBS AND WEAVES" UNTIL IT DISAPPEARED. NO PREIMPACT/MECHANICAL MALFUNCTION OR FAILURES WERE FOUND.

 

Source: NTSB Aviation Accident Database

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