TB 43-0123
339D-1
EIC: N/A
(Illustration Not Available)
339D-1 Distance Indicator
1. Brief Description: The Collins model 339D-1
2. Applicable Tools and Test Equipment: Not
Distance Indicator is used in conjunction with the
applicable
TACAN n the U-21( ) and RU-21( ) Series Aircraft for
the of providing range information. The indicator will
3. Applicable Publications: For reference use TMs
register the distance in miles from a known
1( ) and RU-21( ) aircraft.
reference.. The 339K-1 is equipped with a warning
flag which appears in the window to indicate a
malfunction in the equipment, a failure, or a period of
in operation.
ll-B-53/(II-B-54 blank)
