NTSB Identification: FTW83FU001.
The docket is stored on NTSB microfiche number 22624.
Accident occurred Sunday, May 08, 1983 in MANVEL, TX
Aircraft: ROTEC RALLY 2B, registration: NONE
Injuries: 1 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 HAD FLOWN THE ULTRALIGHT VEHICLE TO HIS EMPLOYER'S HOUSE & LANDED IN THE BACK YARD. DURING THE LANDING, THE VEHICLE SUSTAINED DAMAGE WHICH INCLUDED A BENT MAIN LANDING GEAR AXLE, A SHEARED KINGPIN BOLT & A CRACKED TAIL BOOM TO TAILMOUNT SLEEVE. A HARDENED BOLT WAS PURCHASED AT AN AUTOMOTIVE PARTS STORE & PARTIAL REPAIRS WERE MADE; HOWEVER, THE DAMAGE TO THE TAIL BOOM WAS NOT DETECTED. THE ULTRALIGHT WAS PREFLIGHTED & THE PLT TOOK OFF. AFTER CIRCLING ONCE & WAVING, HE STARTED ON THE RETURN FLT. SHORTLY AFTER THAT, WITNESSES HEARD THE ENG SLOW OR STOP AS THE ULTRALIGHT PITCHED NOSE DOWN INTO A STEEP DIVE & CRASHED. AN EXAM OF THE WRECKAGE REVEALED THAT THE RIGHT TAIL BOOM TUBE HAD SEPARATED IN FLT. DURING IMPACT, IT HAD PENETRATED THE HORIZONTAL STABILIZER SAIL WITHOUT BENDING. THE LEFT TAIL BOOM WAS BENT DURING IMPACT. A PICTURE OF THE ULTRALIGHT (TAKEN BEFORE TAKEOFF) REVEALED THAT THE HORIZONTAL STABILIZER WAS SLIGHTLY ANGLED FROM THE HORIZONTAL AXIS OF THE ULTRALIGHT.

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

FUSELAGE,ATTACHMENT..PREVIOUS DAMAGE

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

MAINTENANCE..IMPROPER..PILOT IN COMMAND

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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

FUSELAGE,ATTACHMENT..SEPARATION

Index for May1983 | Index of months