NTSB Identification: SEA84FA078.
The docket is stored on NTSB microfiche number 24523.
Accident occurred Thursday, April 05, 1984 in BAKER, OR
Aircraft: BEECH N35, registration: N1270Z
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 PLT ENCOUNTERED AIRFRAME ICING WHILE EN ROUTE DURING A X-COUNTRY FLT. HE HAD FILED AN INSTRUMENT FLT PLAN TO BOISE, ID, BUT EN ROUTE, HE CHANGED DESTINATIONS TWICE, 1ST TO ONTARIO, OR, THEN LATER TO BAKER, ID. AT 1820 PDT, HE REPORTED ICING & TURBULENCE AT 10,000 FT. HE WAS CLEARED FOR AN APCH TO BAKER, DURING WHICH, HE REPORTED MORE ICING. AT 1850, HE REPORTED GROUND LIGHTS IN SIGHT. A SHORT TIME LATER, THE BAKER FSS SPECIALIST SIGHTED A FIREBALL, NORTH OF THE ARPT. THE ACFT WAS FOUND 7 MILES NORTH OF THE ARPT NEAR A HIGHWAY REST STOP WITH HIGH VISIBILITY, SODIUM VAPOR LIGHTS. AN EXAM OF THE WRECKAGE REVEALED THE GEAR HAD BEEN EXTENDED, BUT THE FLAPS WERE UP. THE PROP WAS EMBEDDED IN A CRATER. THE PROP SHAFT HAD SHEARED, BOTH BLADES WERE SLIGHTLY BENT & HAD CHORDWISE SCORING & LEADING EDGE NICKS. THE MAIN WRECKAGE CAME TO REST NEXT TO THE IMPACT POINT. BOTH WINGS HAD SEVERE CHORDWISE CRUSHING FROM FORE TO AFT.

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

WING..ICE

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

AIRSPEED..INADEQUATE..PILOT IN COMMAND

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

STALL..INADVERTENT..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS

Index for Apr1984 | Index of months