Aircraft must be in flight to
Flares. Upon observing a missile
launch the designated crewmember will fire a flare. If
more than one missile launch is observed, the firing
sequence should be continued until the aircraft has
cleared the threat area.
Chaff. Upon receiving an alert
from the aircraft radar warning system, the designated
crewmember will fire the chaff and initiate an evasive
maneuver. The number of burst/salvo and number of
salvo/program and their intervals as established by
training doctrine will be set into the programmer prior to
take-off (refer to TM 9-1095206-13 for information on
setting programmer). If desired, the operator may
override the programmed operational mode and fire
dispenser function selector switch to MANUAL and
pressing a dispenser switch.
SYSTEM DAILY PREFLIGHT/RE-ARM TEST.
The following test procedures shall be conducted prior to
the first flight of each day and prior to each re-arming of
the dispensers. The first dispenser tested shall be the
one used to dispense flares and the second one shall be
the one used to dispense chaff. Notify AVUM if any
improper indications occur during the tests.
Assure payload module is not
connected to dispenser assembly
at any time during the following
On flare dispenser assembly, assure the C-F
selector switch is in F (flare) position.
Obtain M-91 test set and ensure that TEST
Connect base plate of test set to breech of
dispenser assembly. Secure both mounting
studs uniformly hand tight, using 5/32 inch
hexagonal wrench provided in test set carrying
Obtain test set power cable from the M-91 test
set carrying case and connect cable between
exterior connection J1 (28V DC) on aircraft and
aircraft power + 28V DC (J1) of test set.
Remove safety pin from EM and in the top skin
of the right wing.
On DCP, assure that RIPPLE FIRE
switch guard is in down position.
Provide aircraft power to DCP by setting M130
POWER circuit breaker to ON position.
On DCP, press ARM lamp. Lamp will
illuminate. Release ARM lamp. Lamp will
On DCP, set FLARE counter to 30 CHAFF
COUNTER to 30 and MAN-PRGM switch to
On DCP, set ARM-SAFE switch to ARM. ARM
lamp will illuminate.
When the test set is installed on
the dispenser assembly and 28
volts DC aircraft power has been
applied, the sequencer switch
resets, making an audible sound
as it rotates. There will be no such
sound if the sequencer switch has
been previously reset or if switch
is in position 12 or 24.
On test set, TS PWR ON lamp
(clear) illuminates and remains
illuminated throughout the test
sequence until aircraft power to
test set (via test set power cable)
is disconnected or shut off.
Set mission chaff program on EM.
Perform the following operations on the M-91
test set: a. Press to test the remaining three
lamps on test set. Each lamp will illuminate.