C-17 by the Numbers Flashcards
___ engine starts are permitted without a cooling period. A ___ minute cooling period is required prior to the 3rd attempt. Subsequent attempts require a ___ minute cooling period. Maximum of ___ start attempts per hour, then a ___ hour cooling period is required.
2 engine starts 15 minute cooling period 10 minute cooling period 5 start attempts per hour 1 hour cooling
Motor the engine for ___ seconds to clear the engine following stop start or shutdown. If disengaged, the starter may be re-engaged below ___% N2 for clearing. For a subsequent start, delay starter engagement for at least ___ seconds after N2 rotation has stopped. When engine cooling is required, motor starter until EGT is less than ___ C.
30 seconds
20% N2
40 seconds
190 deg C
The engine may be motored (fuel/ignition off) for a max of ___ minutes. Other than the Engine Clearing Procedure, if the engine is motored ___ seconds, the starter should be cooled ___ minutes for each __ seconds of operation up to a max of ___ minutes.
15 minutes
90 second
90 seconds, 5 minutes for each 30 seconds
40 minutes
The minimum N2 to turn ENG SHUT OFF Switch “ON”
18%
The normal fuel flow for engine start is approximately ___ to ___ lbs/hr, but if you see ___ lbs/hr or greater the potential for hot start exists.
400 - 500 pph
700 pph
The min recommended air pressure and APU start is ___ psi, crossbleed is ___ psi, and external air is ___ psi.
APU - 20 psi
Crossbleed - 25 psi
External Air - 30 psi
Starting the engines in IDLE REV is recommended for tailwinds exceeding ___ kts.
25
___ minutes of time is required between APU starter cycles, with a maximum of ___ start attempts per hour.
5 minutes
3 per rolling hour
The starter button should pop out at ___%, but if it doesn’t, pull it out by ___%.
51%
55%
The Max engine EGT during the engine start sequence is ___ C
495 deg C
The Min engine oil temperature for takeoff is ___ C
50 deg C
The normal operating engine oil quantity is ___ to ___ quarts, with a Min oil quantity of ___ quarts.
4 - 23 qts
4 qts
The Min oil pressure on the ground is ___ psi; the Min oil pressure in-flight is ___ psi.
70 psig
80 psig
The Max engine EGT for continuous engine operation (MCT/INT) is ___ C, with operation above limited to ___ minutes.
625 deg C
5 min
The Max engine EGT for MAX/DRT is ___ C for ___ minutes, or ___ minutes at MAX for engine failure or engine out go-around for obstacle clearance.
655 deg C, 5min
10 minutes
Max static ramp weight is _____ lbs and Max weight for taxi is _____ lbs.
615,000
586,000
Max weight for takeoff/landing is _____ lbs.
585,000
Designed Landing Gross Weight is _____ lbs.
435,800
Max in-flight weight including air refueling is _____ lbs.
585,000
Max Zero Fuel weight is _____ lbs.
447,400
Max full flap landing weight is _____ lbs.
502,100
Max ramp/takeoff/landing weight for a semi-prepared airfield with normal tire pressure is _____ lbs.
486,000
Max fuel for ground operations on a semi-prepared surface with normal tire pressure is _____ lbs.
92,000
Max fuel capacity (non-ER) is approximately _____ lbs; Max fuel capacity (ER) is approximately _____ lbs.
(usable, JP-8) 180,800
(usable, JP-8) 244,600
The Max allowable fuel imbalance between wings is _____ lbs.
8,000
Max fuel capacity for normal brake operations at main gear touchdown is < _____ lbs OR < _____ lbs total in ER tanks.
< 165,000
< 4,000
Max speed with less than 16,000lbs total fuel is _____ KCAS or _____ Mach.
300 KCAS
Mach 0.825
(-1 3-349A Note)
The normal hydraulic system quantities for system 1-4 are ___, ___, ___, ___ gallons respectively.
7.2, 11.7, 7.4, 7.2
The Min hydraulic system quantities for system 1-4 are ___, ___, ___, ___ gallons respectively.
4.9, 9.4, 4.9, 4.9
The normal hydraulic system pressure with all pumps operating is _____ psi.
4,000 psi
The Max hydraulic system pressure is _____ psi.
4,200 psi (-1 3-393)
The normal auxiliary hydraulic pump pressure is _____ psi.
3,850 psi
The primary and secondary hydraulic pump low pressure light comes when system pressure drops below _____ psi.
3,400 psi
The auxiliary hydraulic pump low pressure light comes on when system pressure drops below _____ psi.
2,200 psi
The Min hydraulic system temperature for takeoff is _____ C
7 deg C
The Min brake pressure is _____ psi
1000 psi (below 2500 psi uses Altn Brake System
The Caution brake temp range is ___ to ___ C. Fuse plugs may release causing potential damage to wheels and tires; takeoff is not recommended.
651 - 750 deg C
The Max brake temp is ___ C. Above this temperature fuse plugs will release, fires are possible; takeoff is not permitted.
751 deg C
The Max brake temp for training ALZ landing operations is ___ C.
150 deg C
For every ___ consecutive landings, you must cool your gear; ___ minutes if you leave the gear down or ___ minutes if gear is retracted.
4
10 min
20 min
The Max cabin pressure Delta P is ___ psid.
7.8 psid (8.2 opens cabin pressure relief valves)
The normal crew oxygen pressure is ___ to ___ psi.
285 - 430 psi
The crew oxygen quantity low light comes on when quantity drops below ___ liters or supply pressure is less than ___ psi.
5 liters
60 +/- 5 psi
The passenger/auxiliary oxygen quantity low light comes on when system quantity drops below ___ liters or supply pressure is less than ___ psi.
7.5 liters
60 +/- 5 psi
The landing gear may not fully retract above ___ KCAS; if it does not, extend the gear, slow below ___ KCAS and retract the gear.
200 KCAS, 200 KCAS
At or near retract limit speed, ___ KCAS above vMSR at any gross weight, the outboard slats may be slow to retract and/or retract asymmetrically.
20 KCAS
Anytime slats or flaps are extended, the abrupt rolling pushover/pull-up load limits are ___ to ___ g’s.
1.6 to 0.4 g’s
The Max airpseed for thrust reversers in-flight is ___ KCAS or ___ Mach; the Max on the ground is ___ KCAS.
350 KCAS, 0.825 Mach
182 KCAS
The Min airspeed to prevent the RAT from stalling when required for hydraulic pressure is ___ KCAS.
130 KCAS
The Max airspeed for opening a pilot window is ___ KCAS or ___ Mach.
205 KCAS
0.62 Mach
The Max taxi speed on a prepared surface is ___ knots
40 knots
The Max taxi speed on a semi-prepared surface is ___ knots if aircraft weight is <= _____ lbs.
30 knots
<= 435,000 lbs
The Max taxi speed on a semi-prepared surface is ___ knots if aircraft weight is > _____ to <= _____ lbs.
20 knots
> 435,000 lbs
<= 447,000 lbs
The Max taxi speed on a semi-prepared surface is ___ knots if aircraft weight is > ___ lbs.
15 knots
> 447,000
Do not exceed _____ degrees nosewheel angle when gross weight exceeds ______ pounds and taxi speed exceeds _____ knots ( _____ knots if using asymmetric thrust) to prevent landing gear side load damage.
20 degrees 490,000 lbs 20 knots 15 knots (-1 1-881)
The Min required runway length (without waiver) is _____ feet; or as required for CFL, landing distance, or ground roll +500 feet.
3,500
The Min required runway width is _____ feet.
90 ft (2C-17V3, Added 97 OG)
The Min required taxiway width is _____ feet.
50 ft
The Min required taxiway width for star turn is _____ feet.
90 ft (2C-17V3, Added 97 OG)
The Max headwind for takeoff or landing is ___ knots.
40
The Max crosswind for takeoff or landing is ___ knots.
30
The Max tailwind for takeoff or landing is ___ knots.
10
The Max headwind for touch and go is ___ knots.
25 knots
The Max crosswind for NVG departure or approach on a 90 to 120 foot wide runway is ___ knots.
15 knots
The Max crosswind for NVG departure or approach on a > 120 foot wide runway (without waiver) is ___ knots.
20 knots (OG/CC approves up to 30)
The Max crosswind for NVG training departure or approach is ___ knots.
15 knots
The Max crosswind for CAT II ILS approach in training is ___ knots and operational is ___ knots.
15 knots
10 knots
The level off from a tactical descent should be initiated approximately _____ feet above desired altitude.
2000 ft
The Max touchdown sink rate for a landing with aircraft weight > 502,100 lbs is _____ ft/min.
600 ft/min
The Max touchdown sink rate for a landing with aircraft weight < 502,100 lbs but > 435,800 is _____ ft/min.
660 ft/min
The Max touchdown sink rate for a landing with aircraft weight < 435,800 lbs is _____ ft/min.
750 ft/min
The Max outside air temperature (OAT) for takeoff is dependent on airfield pressure altitude, but operations at ___ C or above may result in EFCS reversion to FROZEN GAINS.
43 deg C
