T38 Good To Know Numbers Flashcards
Gross weight with fuel and two sounds?
12,800 lbs
Thrust produced by a single engine in MIL and MAX?
2200
3300
Fuel flow for one engine, MAX at rest and at Mach 1 at sea level?
Rest: 7300 lb/hr
Mach 1 Sea Level: 11,400 lb/hr
How long does pushing the start button arm the ignition circuit for?
30 seconds
Normal oil capacity and air expansion space?
4 qt
1 qt
Gravity flow guarantees flow up to what altitude?
6000’
How fast can the fuel shutoff switches shut off fuel flow?
1 sec
Fuel low light comes on after ____ seconds below ____?
7.5 seconds
250 lbs
Gearbox shift range
65-75%
Battery voltage
24 V
Voltage produced from the TRUs
28 V
AC power voltage
115-200V
Generator cut in speed
43-48%
Minimum voltage required to close battery relay?
18V
Hydr Pressure light comes on at ______ PSI
It goes out at _____ PSI
1500 PSI
1800 PSI
Rudder is limited to 6 deg when?
When nosegear is out 3/4 or less
Landing gear extension /retraction takes approx ____?
6 seconds
Gear horn and warning light comes on when gear is not down and locked and:
- Less than 210 knots
- Below 10,000 ft
- Both throttles below 96%
How far do you have to pull out the alternate gear release?
10 inch
How long does an alternate gear extension take ?
15-35 seconds
Rear canopy follows the front canopy by _____ after canopy jettison?
1 sec
Aneroid delays parachute opening until between?
15,000’ and 11,500’
Seat ejections occurs ____ after canopy jettison?
0.3 sec
Fuel left engine is ____ gal serviced/usable and _____ lbs useable
293/286
1916 lbs
Fuel right engine is ____ gal serviceable/useable and ______ lbs useable
305/297
1990 lbs
Total fuel ______ gal serviceable/useable and ____ lbs useable?
598/583 gal
3906 lbs
With single-engine and less than ___ in either system, leave both boost pumps _____ and cross feed ____
250 lbs
On
On
Minimum RPM to achieve any engine fuel flow?
12-14%
Heart of the airstart RPM envelope?
18-20%
Ignition must occur before fuel flow reaches ____
360 lb/hr
After an aborted start, wait ______ before another attempted start
2 min
Normal rotation speed is
141 knots (rounded to 145)
Delay a minimum of _____ behind a large aircraft and _____ behind a heavy aircraft
2 minutes
4 minutes
At _____ knots of crosswind, you can reduce spacing behind large/heavy aircraft
5 knots
Abort takeoff if either afterburner doesn’t light within _____ seconds
5
Below ____ RPM, the engine anti-ice is always on, regardless of switch position
65%
How many rotating beacons are there and where are they located?
2
Tail and lower fuselage
How many position lights are there and where are they located?
4
Tail, lower fuselage, each wing
Battery energizes the DC bus for how long?
15 mins at 80% charge
If the oil pressure is high in cold weather, how long should it take for it to be within limits
6 minutes
The radio attenuation switch reduces UHF and VHF volume by ____
66%
How long does IDENT send a pulse for?
15 secnods
Standby ADI provides useful info for ____ and within _____ after a DC failure
9 minutes
+/- 6 degrees
Minimum engine RPM for effective anti ice operation
80%
Restrict zero G flight to ____
10 seconds
Restrict negative G flight for ____
30 sec
Stab Augmentor can change rudder position by _____ deg
2 deg
Touchdown greater than _____ knots should not be attempted
200 KCAS
Maintain ____ knots above final approach speed with an asymmetric flap failure
20 knots
Do not touchdown less than ______ knots with an asymmetric flap failure
165 knots
On a SE-Go around, climb only as necessary until _____ knots
200 knots
Touchdown _______ knots faster during a gear up landing
10 knots
Anti-ice will cause a loss of _____ % thrust in MIL and ____ % in MAX
- 5% in MIL
5. 5% in MAX
Pressure regulator maintains cabin altitude of _____ +/- ______ from _______ alt to ______ alt
8,000’ +/- 1000’
8,000’ to 23,000’
Avoid max thrust dives when below _____ in either tank
650 lbs
How long does it take for full parachute deployment?
3.42 seconds
Landing light retractions takes ___ seconds
10
Max range AOA
0.18
Max endurance AOA
0.3
Crossfeeding is recommended for fuel imbalances of _____ or greater
200 lbs
Holding airspeed
250 to 265 kts
Typical fuel burn in a radar pattern
325 lbs
Turbulent air penetration speed
280 kts
If unable to retract gear, best climb at _____ for 60% and _____ for 0% flaps
200 kts
220 kts
Optimum pitch for ejection zoom
20 degrees nose high
With loss of canopy, slow to _____ knots; minimum drag occurs at _____
300 knots slow to
225 knots minimum drag
If one hydr system reads zero, hydr system transfer may occur, and flight time could be limited to ___ mins
35
Controllability check should be accomplished at ______ AGL or higher
6,000 ft
Maintain ____ knots above min controllable airspeed in descent/landing approach
20 knots
