Bell OH-58A Technical Manual page 2

TM 55-1520-228-BD
AND SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES
AS SOON AS PRACTICABLE AFTER THE MISSION IS COMPLETED.
BDAR TECHNIQUES IN THIS MANUAL PERTAIN to the following helicopters:
OH-58A
OH-58C
BDAR FIXES SHALL BE USED ONLY IN COMBAT
AT THE DISCRETION OF THE COMMANDER
Helicopter, Observation
Helicopter, Observation
NSN 1520-00-169-7137
NSN 1520-01-020-4216