TM 1-1520-238-10
4-59
Table 4-20.
Alpha/Numeric Display Message Location and Description – continued
Message
Description
T
F
Pylon MRTU cannot communicate with selected missile. Once detected for one missile on
a particular launcher, all missiles present on that launcher will reflect this status. This
status may be cleared by moding the missile system to STBY and then moding again to
desired mode. The remote Hellfire electronics will attempt to communicate with the
missiles on that launcher.
N
A
Missile status has been determined to be: Not Available, Low Coolant or Hangfire in
process.
Missiles that are: Selected, Ready, or Tracking on the same side of the aircraft as a
missile that is hangfiring will reflect a ‘Not Available’ status for six seconds (0:06) from
onset of hangfire. After six seconds the missiles will revert to their previous status.
M
A
Missile launch sequence has aborted or missile has misfired.
This is a valid indication of misfired ordnance. Appropriate safety and ordnance disposal proce-
dures shall be accomplished.
WARNING
M
H
Missile is in the process of hangfiring or has hangfired.
This is a valid indication of malfunctioning ordnance. Appropriate emergency procedures shall
be accomplished.
WARNING
Launcher Status
F F
A A
I I
L L
Launcher has failed BIT or the serial/digital data link between the pylon MRTU and the
launcher has failed.
S S
A A
F F
E E
Launcher ARM/SAFE switch is in the SAFE position and may be armed by taking the
aircraft ARM/SAFE to ARM and back to SAFE.
