NTSB Identification: FTW86FA050.
The docket is stored on NTSB microfiche number 31986.
Accident occurred Saturday, March 29, 1986 in SEAGOVILLE, TX
Aircraft: LOCKHEED L-402-2 (LASA-60), registration: N3381G
Injuries: 3 Fatal,2 Serious.

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.

ACFT CRASHED IMMEDIATELY AFTER TAKEOFF ON A FLT TO DISCHARGE JUMPERS OVER A DROP ZONE LOCATED ON THE ARPT. WITNESSES STATED THAT SHORTLY AFTER LIFTOFF THE ACFT ENTERED A STEEP LEFT BANK ESTIMATED BETWEEN 45 AND 70 DEGS. AFTER ABOUT 120 DEGS OF TURN THE ACFT STALLED AND IMPACTED THE GROUND IN ABOUT AN 80 DEG NOSE DOWN ATTITUDE, WITH THE LEFT WING LEADING. ALT AT THE TIME THE MANEUVER WAS ATTEMPTED WAS APRX 125' AGL. WINDS AT THE TIME OF THE ACCIDENT WERE DOWN THE DEPARTURE RWY AT 10 KTS GUSTING TO 18 KTS. ONE WITNESS ESTIMATED THE WINDS AT 20 KTS GUSTING TO 25 KTS. RESEARCH INDICATED THAT THE ACFTS STALL SPEED WOULD HAVE INCREASED BTW 40 AND 100 PERCENT DURING THE TURN DEPENDING ON BANK ANGLE. THE PLT HAD A TOTAL OF 3 HRS IN THIS MAKE AND MODEL OF ACFT.

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

AIRSPEED(VS)..NOT MAINTAINED..PILOT IN COMMAND

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

OSTENTATIOUS DISPLAY..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:

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

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