The amount of power available from the battery is limited so do not leave the MAIN PWR switch in BATT or MAIN PWR for more than 5 minutes without starting the engine or applying external power if more time is needed.
Verify light on ELEC Control Panel: ACFT BATT "FLCS RLY"
On
FLCS PWR TEST switch
TEST and hold
Verify lights on ELEC Control Panel:
"FLCS PMG"
On
ACFT BATT "TO FLCS"
On
ACFT BATT "FLCS RLY"
Off
Verify lights on TEST Panel:
FLCS PWR "A", "B", "C", and "D" -- On
FLCS PWR TEST switch
Release
MAIN PWR switch
MAIN PWR
Verify warning lights on Right Eyebrow: "Engine" "HYD/OIL Press"
On
Verify lights on Caution Light Panel: "ELEC SYS" "SEC"
On
Verify lights on ELEC Control Panel: ACFT BATT "FLCS RLY"
On
"EPU GEN" and "EPU PMG"
Off
Illumination of either light indicates criteria for EPU activation is met. The EPU will activate and create a hazardous condition if the EPU safety pin is removed by the ground crew. IF either of these lights are illuminated, turn MAIN PWR switch to OFF and abort the aircraft (re-start the mission).
Backup UHF Radio
Set BOTH and desired frequency
Communication -- Established with ground crew and Air Traffic Control (ATC) as required for engine start.
Canopy
As desired
Chocks
In place
Ground crew
Clear of intake and other danger areas
112
Engine Start
JFS switch
START 2
RUN light illuminates within 30 seconds indicating the Jet Fuel Starter is operational. Engine RPM should start to increase.
Power is applied to the Flight Control System relays when the JFS switch is set to either the START 1 or START 2 position. The ACFT BATT "FLCS RLY" light should extinguish and the ACFT BATT "TO FLCS" light should illuminate.
"SEC" caution light
off
Throttle Advance to IDLE at 20% RPM minimum or when the SEC light turns off.
Throttle idle standart keybind: RShift+HOME.
Engine combustion should occur within a few seconds and engine RPM and FTIT should increase.
NOTE: When starting on battery power only (no external power applied), only the RPM and FTIT engine instruments will function until the standby generator is online.
"ENGINE" warning light
Off
approximately 60% RPM, when the standby generator becomes operational.
Verify the following to confirm the emergency busses are being powered by the standby generator:
"SEAT NOT ARMED" caution light
On
Three green WHEELS down lights
On
Within 5-10 seconds, the main generator will come online, and the standby generator will go offline.
Once engine RPM is at idle speed, perform the following checks:
JFS switch
Confirm OFF; manually set to OFF if necessary.
"HYD/OIL PRESS" warning light
Off
FUEL FLOW
700-1700 PPH
Engine OIL pressure
15 PSI or greater.
Engine NOZ POS
above 94%
Engine RPM
62%-80%.
Engine FTIT
650° C or less.
HYD PRESS A & B
2850-3250 PSI
212
After Engine Start
IFF MASTER knob
STBY
Test switch panel
Check:
PROBE HEAT switch
PROBE HEAT
Ensure "PROBE HEAT" caution light is extinguished.
If the light is illuminated, one or more probe heaters are inoperative or a failure of the monitoring system has occurred.
PROBE HEAT switch
TEST. "PROBE HEAT" caution light should flash 3-5 times per second.
If this does not occur, the probe heat monitoring system is inoperative.
PROBE HEAT switch
OFF
FIRE & OHEAT DETECT button
Press. Ensure "ENG FIRE" warning light illuminates when the button is pressed.
This checks for continuity of the fire and overheat detection loops.
MAL & IND LTS button
Press
Ensure all cockpit warning, caution and indicator lights illuminate when the button is pressed.
A brief LG warning horn should be heard followed by Voice Message System (VMS) audio alerts, played in priority sequence ("PULL UP", "ALTITUDE", "WARNING", etc.).
AVIONICS POWER panel
Set:
MCC switch
MCC
ST STA switch
ST STA
MFD switch
MFD
UFC switch
UFC
GPS switch
GPS
MIDS LVT knob
On
INS
STOR HDG or NORM
STOR HDG needs approximetly 90 seconds and NORM needs approximetly 8 Minutes.
312
After Engine Start
SNSR PWR panel:
LEFT HDPT switch
As required. (If an HTS pod is installed, enable power to the hardpoint).
RIGHT HDPT switch
As required. (If a targeting pod is installed, enable power to the hardpoint).
FCR switch
FCR. (Verify the FCR is on the MFD and is functional).
FCR switch
Off
RDR ALT switch
STBY
HUD -- As desired. Ensure the SYM knob on the ICP is rotated up to increase HUD brightness as necessary.
C & I knob
UFC
ENG CONT switch
SEC
"SEC" caution light -- On.
Engine RPM -- Stabilized. RPM may drop up to 10% from PRI value before stabilizing. Stabilized SEC idle RPM may be up to 5% lower than that in PRI.
Throttle Snap to MIL, and then snap to IDLE when RPM reaches 85%.
Check for normal indications and smooth operation.
NOZ POS
10% or less within 30 seconds after SEC.
ENG CONT switch
PRI
"SEC" caution light -- off
NOZ POS -- Greater than 94%.
Flight controls
Cycle to ensure maximum deflection of flight control surfaces prior to the FLCS BIT.
FLCS BIT
Initiate and monitor.
BIT switch
BIT
FLCS "RUN" light will illuminate for approximetly 45 seconds until FLCS BIT completes.
BIT switch will automaticlly return to OFF when FLCS BIT completes. Ensure FLCS "FAIL" light is not illuminated when complete.
ECM panel
As required. (If an ECM pod is installed, set ECM power switch to STBY)
SPD BRK switch
Cycle to extend position and then retract.
412
After Engine Start
WHEELS down lights
Three green
Standby Attitude Indicator
Uncage and set
FUEL QTY SEL knob
Checks
TEST -- FR and AL pointers should indicate 2,000 pounds and totalizer should indicate 6,000 pounds. verify the "FWD FUEL LOW" caution lights illuminate on the Caution Light Panel.
NORM -- AL pointer should indicate approximetly 2,810 pounds and FR pointer should indicate approximetly 3,250 pounds (if fully-fueled with JP-8).
RSVR -- Each reservoir should indicate approximetly 480 pounds.
INT WING -- Each wing should indicate approximetly 550 pound.
EXT WING -- Each external wing tank should indicate approximately 2,420 pounds, if full.
EXT CTR -- FR pointer should indicate approximately 1,890 pounds, if full. AL pointer should indicate 0.
FUEL QTY SEL knob
As desired
EPU FUEL quantity
95-102%
Avionics, MFD´s, and VHF radio
Configure as required
After the FLCS BIT is complete
DBU Ceck:
DIGITAL BACKUP switch
BACKUP. Verify "DBU ON" warning light illuminates
Operate flight controls
Ensure all flight control surfaces respond normally.
DIGITAL BACKUP switch
OFF. Verify "DBU ON" warning light extinguishes.
Trim
Check
TRIM/AP DISC switch
DISC
Side Stick Controller TRIM switch
Activate in roll and pitch
Verify no movement of flight control surfaces and no TRIM wheel/indication motion on the FLT CONTROL Panel.
TRIM/AP DISC switch
NORM
512
After Engine Start
Trim
Check
Side Stick Controller TRIM switch
check and center
Verify movement of flight control surfaces and TRIM wheel/indication motion on the FLT CONTROL Panel.
Rudder trim check
YAW TRIM knob check and center
MPO
Check:
Side Stick Controller
Full forward and hold; note horizontal tail deflection
MPO Switch
OVRD and hold. Confirm that horizontal tail trailing edges deflect further downward.
Stick and MPO switch
Release. Confirm that the horizontal tail returns to its original position.
Operate controls
Verify all surfaces respond normally and no FLCS lights illuminate.
Air refueling system (if desired)
Check:
AIR REFUEL switch
OPEN
Verify "RDY" light illuminates and the "DISC" light remains off.
AIR REFUEL switch
CLOSE
Verify "RDY" light extinguishes.
"EPU GEN" and "EPU PMG" lights
Confirm off
If either light is illuminated, cycle the EPU switch to OFF, then back to NORM. If either of these lights remain illuminated, abort the aircraft (re-start the mission).
Before Taxi
Canopy
Close and lock
Backup UHF radio
Set and check as required
Altimeter and altitude indications
Set and check
Verify altitude displayed on the HUD matches the altitude on the altimeter.
Check that the altimeter readings in ELEC and PNEU are 75 feet of a known elevation and are 75 feet of one another.
612
Before Taxi
Exterior lights
As required
INS knob
NAV
If a complete alignment is desired prior to taxi, verify "RDY" is visible and flashing on the INS DED page and/or "ALIGN" is visible and flashing in the lower left corner of the HUD.
Chocks
Remove
Taxi
Throttle
Advance
A throttle setting just beyond idle will be required to begin rolling. Return throttle to idle after desired speed is reached.
Brakes and NWS
Check
Press the missile Step button on the SSC to engage nosewheel steering (NWS). The "AR/NWS" AR status light to the right of the HUD should illuminate. Default keybind on keyboard is "S".
Gently test the brakes and nosewheel steering immediately after the aircraft begins to move forward. Heat may build up quickly if brakes are used for an extended period so do not ride the brakes to control taxi speed. Use one firm application of the toe brakes to slow the aircraft.
Heading
Check
Flight instruments
Check for proper operation
Verify aircarft heading updates as the aircraft turns and that all instruments behave as expected.
Before Takeoff
EPU -- Check. This check verifies EPU electrical power is available in case o an emergency.
OXYGEN Diluter Lever
100%
Thottle
Increase engine RPM 10% above normal idle.
EPU/GEN TEST switch
EPU/GEN and hold
Verify lights on EPU Control Panel:
"AIR"
On
EPU Run light
On, for a minimum of 5 seconds
Verify lights on ELEC Control Panel:
712
Before Takeoff
Verify lights on ELEC Control Panel:
"EPU GEN"
Off; but may come on momentarily at start of test.
"EPU PMG"
Off; but may come on momentarily at start of test.
Verify lights on TEST Panel:
FLCS PWR "A", "B", "C", and "D"
On
EPU/GEN TEST switch
OFF
Throttle
IDLE
OXYGEN Diluter Lever
NORMAL
ALT FLAPS switch
Verify NORM
Trim
Check:
Pitch and yaw trim
Centered
Roll trim
As required
This is a final verification the trim settings are correct for takeoff and have not been inadvertently changed.
ENG CONT switch
Verify PRI (guard down)
Speedbrakes
Verify closed
Canopy
Verify closed and locked
Verify "CANOPY UNLOCKED" caution light is not illuminated.
External fuel tanks
Verify feeding
Wing external fuel tanks should feed first and have a lower quantity than at engine start. The internal wing tanks should be full.
If three external tanks are installed, verify that the centerline tank is feeding
FUEL QTY SEL knob
NORM
The FUEL QTY SEL knob must be set to the NORM position to allow the automatic forward fuel transfer system, trapped fuel warning, and for the BINGO fuel warning computation to be based on fuselage fuel.
812
Before Takeoff
OXYGEN SUPPLY lever
PBG (if high-G maneuvers are expected immediately following takeoff).
IFF MASTER knob
NORM
PROBE HEAT switch
PROBE HEAT
This should be done at least two minutes prior to takeoff if icing condition exist. Manual activation of probe heat on the ground when icing is not expected may cause overheat and damage to probe components.
Probe heat is automatically active once airborne.
Ejection safety lever
Down (Armed)
This arms the ejection seat and allows ejection when the ejection handle is pulled. This is delayed for as long as possible to prevent inadvertent ejection on the ground. Egress through other means usually preferable.
Flight controls
Cycle
Verify freedom of movement and ensure controls are not obstructed.
Engine OIL pressure
15-65 PSI
Warning and caution lights
Verify no unexpected conditions
Targeting pod
Stow (if installed)
Targeting Pod is stowed by selecting SRBY on the Targeting Pod Control Page.
This is done prior to takeoff and before landing to prevent foreign object damage to components.
Takeoff
Brakes
Hold
Parking Brake
Verify disengaged
Throttle
90% RPM
Check for normal engine indications:
HYD/OIL PRESS warning light
Off
OIL pressure
25-65PSI
FTIT
935° C or less
HYD PRESS A & B
2850-3250 PSI
912
Takeoff
Brakes
Release
Throttle
Advance to desired thrust
NWS -- Disengage at 70 knots to prevent oversteering.
Pull back on the stick 10 knots below takeoff speed for MIL power or 15 knots below takeoff speed for AB and establish takeoff attitude (8-12°).
Note: Pulling back on the stick too soon may lead to over-rotation, skipping, or wallowing and will increase the distance needed to take off.
LG Handle
UP; after a positive rate of climb is established.
The trailing edge flaps retract at the same time as the landing gear and may cause the aircraft to settle and scrape the runway when lift is lost.
Ensure landing gear is fully retracted with the gear doors closed before exceeding 300KCAS.
Verify altitude displayed on the HUD matches the altitude on the altimeter.
Attitude References
Check
Attitude indications for ADI, HUD and SAI should agree.
ANTI ICE switch
As required
Targeting pod
Stow (if installed)
Targeting Pod is stowed by selecting STBY on the Targeting Pod Control Page.
This is done prior to takeoff and before landing to prevent foreign object damage to components.
After landing
PROBE HEAT switch
Verify OFF
ECM Power switch
OFF
Speedbrakes
Close
Ejection Safety lever
Safe (Up)
1012
After landing
IFF MASTER knob
STBY
LANDING/TAXI Light switch
As required
MASTER ARM and LASER ARM switches
OFF
This should be accomplished before ground personnel approach the aircraft.
Engine shutdown
C & I knob
BACKUP
HUD SYM knob
Minimize
SNSR PWR panel
Set:
LEFT HDPT
OFF
RIGHT HDPT
OFF
FCR
Verify OFF
This should have been done at fencing out the aircraft in the air.
RDR ALT
OFF
AVIONICS POWER panel
Set:
INS knob
OFF
MIDS LVT knob
OFF
GPS switch
OFF
UFC switch
OFF
MFD switch
OFF
ST STA switch
OFF
MCC switch
OFF
Throttle
OFF
1112
Engine shutdown
Throttle
OFF
Default keybind on keyboard: RShift+End
Wait at least 10 seconds after INS knob has been moved to OFF before shutting down the engine. This allows the INU to complete its shutdown sequence before the engine spools down and the generator drops offline.
JFS RUN light
Confirm off
"EPU GEN" and "EPU PMG"
Confirm off
Check after main generator power drops offline. Lights on may indicate impending activation of the EPU and hazardous condition.
MAIN PWR switch
OFF
Delay placing MAIN PWR switch to OFF until after engine rpm decreases through 20 percent. This delay should allow the exhaust nozzle to remain open and makes it easier for the crew chief to accomplish the post flight inspection.