Status:	Final
Date:	19 FEB 1971
Time:	09:15
Type:	Douglas C-47B-25-DK
Operator:	E.W. Brown
Registration:	N99H
C/n / msn:	15840/32588
First flight:	1945
Engines:	2 Pratt & Whitney R-1830-90C
Crew:	Fatalities: 0 / Occupants: 2
Passengers:	Fatalities: 0 / Occupants: 0
Total:	Fatalities: 0 / Occupants: 2
Airplane damage:	Written off
Airplane fate:	Written off (damaged beyond repair)
Location:	Houston, TX (United States of America)
Phase:	Takeoff (TOF)
Nature:	Test
Departure airport:	Houston (unknown airport), TX, United States of America
Destination airport:	Houston (unknown airport), TX, United States of America

Narrative:
The right main gear brake dragged on takeoff, forcing the pilot to make an intentional ground loop to avoid trees. The plane sustained irrepairable damage. The braking assembly had been changed and adjusted two days prior to the accident.

PROBABLE CAUSE:
airframe - landing gear: braking system (normal system)
miscellaneous acts,conditions - improper clearance-tolerance
personnel - maintenance,servicing,inspection: inadequate maintenance and inspection
pilot in command - delayed action in aborting takeoff
miscellaneous - evasive maneuver to avoid collision
miscellaneous acts,conditions - intentional ground-water-loop-swerve

Sources:
» NTSB