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Thrust reverser (IDLE) assumption
This is the default. The assumption is that one engine is inop, and the other three are in reverse idle
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Thrust reverse (INOP) assumption
The assumption is that one engine is inop, and the other three are in forward idle
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Thrust reverser (MAX) assumption
The assumption is that one engine is inop, one is idle reverse, and two symmetrical engines are in max reverse
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Mission computer altitude hierarchy
- AT, AT/ABOVE, AT/ BELOW
- CRZ FL
- RTE DATA CRZ ALT
- Default to the highest 1000 ft altitude below the 300 fpm cruise ceiling (MAX alt on Perf pages)
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Mission computer speed hierarchy
- MC limits:
- -It won’t command a speed less than VMMA or greater than 340 KCAS/.80, or 10 kts below any max configuration speed, whichever is less
- -Speed limit on Perf page (250/10000)
- -Max speed (climb/descent page)
- F-Plan selected:
- -AT SPD makes constraint prior to waypoint
- -Speed necessary to make time constraint
- -SPD makes speed after waypoint
- -Tech order 310/.74 in climb or descent, 310/LRC in cruise
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Atmospheric model
MC uses ADC and IRS data for temp, temp dev, pressure alt, heading drift, ground speed and wind. Projects for 200 mi downtrack +/- 4000 ft of aircraft altitude. Updates every 5 mins.
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Mission computer wind hierarchy in flight
Uses atmospheric model
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Mission computer wind hierarchy on the ground or outside 200 nm in flight, or invalid sensor
- Avg spot winds
- Climb/Descent winds
- Wind Factors (RTE DATA page)
- Calm winds, standard temps
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Max brakes-on speed landing distance/ground roll will only be displayed if:
- Max brakes-on speed is less than RWY AVAIL
- Or
- VBO GND ROLL+500 is less than RWY AVAIL and RWY AVAIL is less than VBO LDG DIST
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MC generates a [BINGO] soft waypoint ___ down track from the ARCP. It provides fuel planning for the AR ALTN using the following assumption:
150 nm, It assumes that you fly to the [BINGO] waypoint with no onload, thence via AR ALTN route using tech order speeds.
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Technique for determining minimum onload during air refueling:
Pull up a fuel page and the AR progress page. Manipulate the onload on the AR prog page to make the UNID EXTRA show zero. This works for a single tanker.
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Technique for determining loiter fuel with an air refueling leg:
Look at STORED fuel and UNID EXTRA on the FUEL PLAN page. You can hold for the lesser of the two. If UNID EXTRA is the limiting factor, you are safe to hold until it goes to zero. If you don’t get the required onload, you must divert to the AR ALTN.
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Selecting Low Level on the Config page increases the fuel burn by:
15%
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Holding fuel on FUEL page is calculated:
250KCAS, 10,000ft , 15 degrees, MCT
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