T.O. BMS1F-16CM-1
BMS 4.34 Change 2.00
BMS 4.34 Dash 1
© Red Dog 2012-2019
Page: 38
1.2.3.1 MISC panel
The MISC panel may be different from one aircraft to another. BMS uses the Block
50/52 MISC panel featuring Autopilot, TFR, MASTER ARM, Laser, and RF switches.
The two lower Autopilot switches are the ROLL switch (left) and the PITCH switch
(right). Both are three-position switches.
The PITCH switch is the master switch and is magnetically held in either the ALT
HOLD or ATT HOLD position. Both engage Pitch and Roll autopilot. Roll depends on
the ROLL switch position. The centre position A/P OFF disengages the autopilot.
ALT HOLD - the autopilot will strive to maintain the altitude determined by the INS at
the time the PITCH mode switch was set.
ATT HOLD - the autopilot will strive to maintain the attitude/pitch determined by the
INS at the time the PITCH mode switch was set.
The ROLL switch is functional only when the PITCH switch is engaged in ALT HOLD
or ATT HOLD. When the PITCH switch is centred in A/P OFF the ROLL switch is inoperative.
The HDG SEL position turns the aircraft to capture and maintain the heading selected by the heading
marker on the HSI.
In ATT HOLD the autopilot maintains ROLL attitude by INS at the moment the ROLL switch was set.
In STRG SEL the autopilot steers the aircraft to the selected steerpoint.
The autopilot can be engaged only if
all
the following conditions are met:
•
Gear up,
•
Air refuelling door closed,
•
No FLCS fault present,
•
AOA must be less than 15°,
•
DBU not engaged,
•
MPO switch not in OVRD,
•
ALT FLAPS not in EXTEND,
•
TRIM/AP DISC switch not in DISC,
•
Stall Horn is silent.
When the autopilot is engaged and any of the above conditions are no longer met the autopilot
disconnects automatically. The PITCH switch then snaps back to the A/P OFF position and a WARN
message is displayed in the HUD.
The pilot can override the autopilot by depressing the stick paddle lever. While keeping the lever
depressed he can change PITCH and ROLL input. Upon releasing the paddle the AP will re-engage
in the mode it was set. If the autopilot is in ATT HOLD there is no need to press the paddle, a new
reference is now taken in ATT AP when stick is moved and released.
Note that the Stick TRIM buttons are inoperative when the autopilot is engaged.
For further information about the autopilot system refer to the autopilot chapter later in this manual.
The ADV mode pushbutton indicator is used with the Terrain Following Radar (TFR) system which is
set through the TFR MFD page. The indicator has a pushbutton that turns AUTO TFR on/off. The top
part of the indicator is labelled ACTIVE in green and illuminates when AUTO TFR is enabled. The
lower part of the indicator is labelled STBY in yellow and indicates that the TFR system is in STBY
(manual mode or blended mode). Automatic TFR is only available if you are carrying the AN/AAQ-13
navigation pod (NVP).
The MASTER ARM switch is a three-position toggle switch labelled ARM, OFF and SIM.
The ALT REL is a pushbutton that works exactly like the pickle button on the HOTAS SSC/stick.
Summary of Contents for F-16C/D 4.34
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