Fuel Control Panel
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Upper left console, directly behind the Emergency Brake and Seat Adjustment panel.
Manages the aircraft’s entire fuel system — including internal and external tanks, cross-feed, refueling, and boost pumps — to ensure balanced fuel distribution and engine feed during all flight conditions.
EXT TKS (WING / FUS) — Two 2-position toggles controlling the external wing and fuselage tanks (ON/OFF).
SIG AMPL (NORM / OVERRIDE) — Rotary selector to switch signal amplification for fuel system sensors and indicators.
LINE CHECK Button — Momentary pushbutton used to verify fuel line integrity and flow test.
TK GATE (OPEN / CLOSE) — Controls the fuel transfer gate between tanks.
CROSS FEED (OFF / ON) — Enables fuel cross-feed between left and right engines.
BOOST PUMPS (WING-L/R & MAIN-L/R) — Four individual toggle switches activating the left and right boost pumps in each tank group.
FILL DISABLE (WING-L/R & MAIN-L/R) — Four toggles preventing unwanted refueling or transfer from specific tanks.
RCVR LT Switch — Controls the fuel receptacle light for night refueling visibility.
FUEL HANDLE (OPEN / CLOSE) — Mechanical lever that opens or closes the aerial refueling receptacle.
Toggles: 8 × 2-position maintained (ON-OFF) MTS-102 or aviation-style SPST switches.
Rotary selector: 1 × 3-position (OFF / BAT / RCVR LT) rotary or ON-OFF-ON toggle.
Pushbutton: 1 × momentary (normally open) illuminated type for Line Check.
Lever: 1 × custom 3D-printed handle with micro switch or Hall sensor for OPEN/CLOSE detection.
Dual-layer acrylic panel (3 mm faceplate + 5 mm sub-layer) with engraved white text and guarded toggle holes.
Optional rotary guard ring for “SIG AMPL” and lever slot cut with 1 mm tolerance.
Labeling consistent with MIL-STD cockpit engraving (white on black).
Internal green LED backlight (520 nm) behind engraved legends.
RCVR LT switch may be simulated using a separate warm-white LED circuit.