JOINT ADVANCED MULTI-ENGINE T-44A
May be used as a visual reminder for CDI and heading bug.
NOTE: The filter V (voice filter) switch may be used to reduce or eliminate voice transmissions over ADF.
May be used as a visual reminder for VOR needles and mode.
j. FILTR R:
NOTE: The filter R (range filter) switch may be used to reduce or eliminate the Morse code IDs on VOR,
TACAN, or ADF.
May be used as a visual reminder for XPDR.
Pilot checks NCS-31 selected on pedestal transponder control panel.
NOTE: If MANUAL is selected on pedestal control panel, dashes will appear in XPDR RRU and a squawk
cannot be entered via the keypad.
NOTE: Whenever ATC issues a squawk, direct the CP to back-up the NCS-31 with the same code on the pedestal
panel. NCS-31 is primary. MANUAL is usually not selected unless a malfunction is experienced.
Pilot verifies ALT REP pushbutton on MSU is depressed.
If a transponder code is visible, continue to Step c. If not, press XPDR on CDPU. Enter
the desired code and press USE. Verify code is visible in XPDR RRU.
NOTE: Utilize assigned squawk (if known) at time of test. If unknown, any squawk could be used for the test.
1111 is preferred for ease in tuning. The system may default to 1111 and be displayed without tuning.
NOTE: Emergency codes 7700/7600 and hijack code 7500 are never used for testing the transponder.
Inadvertent actuation will result in ATC alarms.
Pilot presses and holds STBY then XPDR 1 TEST pushbuttons on MSU. Verify green
IDENT REPLY light on. Pilot releases XPDR 1 then STBY pushbutton and notes IDENT
REPLY light out.
NOTE: Proper use of the STBY switch will prevent inadvertent activation of the transponder.
RADIOs/NAVAIDs have now been checked. Request clearance in accordance with
Appendix A, as appropriate. Once clearance has been received, set radios/NAVAIDs as
required for climbout and departure.
The mixer switch panel may be utilized as a "visual checklist" to set NAVAIDs for
Below is an example for a homefield departure (technique only):
Tower, Departure, or Unicom
Channel 3, TR + G
Initial primary NAVAID for departure
Initial primary or secondary NAVAID for departure
M BCN 1
M BCN 2
TACAN Normally Channel 87X (NGP). Having channel 87 selected enables a quick return to the
field by selecting TACAN on the FD SEL panel.