NTSB Identification: LAX83FA098.
The docket is stored on NTSB microfiche number 22319.
Accident occurred Sunday, February 06, 1983 in TUCSON, AZ
Aircraft: BEECH H35, registration: N4687D
Injuries: 1 Uninjured.

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.

DURING ARRIVAL, THE PLT WAS ADVISED OF THE POSITION OF A BOEING 727 THAT WAS LANDING ON RWY 29R & HE REPORTED SEEING THEACFT. HE ALSO WAS CAUTIONED ABOUT POSSIBLE WAKE TURBULENCE FROM THE BOEING & HE ACKNOWLEDGED. THE PLT REPORTED THAT WHILE HE WAS ON AN APPROACH TO LAND, ABOUT 2 MI FROM THE ARPT, HIS BEECH H35 SUDDENLY PITCHED UP & FLIPPED OVER. HE RECOVERED, WAS ABLE TO CONTINUE THE APPROACH AND LANDED SAFELY. AN EXAM AFTER LANDING REVEALED THAT THE V-TAIL WAS DAMAGED. THE INBOARD LEADING EDGE OF THE RIGHT STABILIZER WAS DEFORMED DOWNWARD ABOUT 1 3/4 INCHES & ITS LOWER SKIN WAS BUCKLED BETWEEN THE FRONT & REAR SPARS. THE FRONT SPAR OF THE RIGHT RUDDERVATOR WAS TWISTED & THERE WAS SKIN DEFORMATIONON BOTH RUDDERVATORS. INVESTIGATION REVEALED THE BEECH HAD CROSSED THE PATH OF THE LARGE ACFT AT APRX THE SAME ALT & ABOUT 60 TO 65 SEC LATER. THE SPEED AT THE TIME OF THE UPSET WAS APRX 160 KTS. THE MANEUVERING SPEED WAS 124 KTS IAS. THE AIM RCMDS 2 MIN SEPN BEHIND A LARGE ACFT WHEN LANDING ON THE SAME RWY OR A PARALLEL RWY WITHIN 2500 FT.

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

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND

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

PLANNED APPROACH..IMPROPER..PILOT IN COMMAND





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