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T-38 > Systems GK > Flashcards

Systems GK Flashcards

(63 cards)

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1
Q

Generator Cut-in Range

A

43-48% RPM

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2
Q

Generator Shift Range

A

65-75% RPM

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3
Q

Generator Voltage

A

115/200 VAC

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4
Q

Generator three-phase cycles/min

A

320-480

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5
Q

What does static inverter power?

A

1) First engine start
2) Right AC inst (Oil & FF)
3) Oxygen quantity indicator

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6
Q

What activates the static inverter on the ground?

A

1) Either throttle in MAX
2) Either start button is pressed
3) OXY/FUEL switch in GAGE TEST or QTY CHECK

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7
Q

Battery Voltage

A

24-volt DC

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8
Q

TRU Voltage

A

28-volt DC

50-amp

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9
Q

Voltage required for battery to close? When does it fall off line?

A

18-volts to close

10-volts it will fall off line

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10
Q

How long does battery power only usually last?

A

15 minutes

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11
Q

When is the TRU “RECTIFIER FAILURE” PFL triggered?

A

Below 25.5 volts

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12
Q

A/A TACAN freq separation

A

63 channels

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13
Q

Radio attenuate lowers volumes by how much?

A

66%

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14
Q

Standby ADI will work for how long without power?

A

9 minutes (within +/-6 degrees)

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15
Q

Left Fuel System cell location

A

Forward

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16
Q

Right Fuel System cell location

A

Aft

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17
Q

Total usable fuel

A

3,906 pounds

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18
Q

Max left fuel quantity

A

1916

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19
Q

Max right fuel quantity

A

1990

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20
Q

When does L/R FUEL PRESSURE light come on?

A

<6 psi

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21
Q

When does FUEL LOW light come on?

A

<250 pounds for 7.5 seconds

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22
Q

Where does the throttle shut off fuel?

A

Main fuel control unit

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23
Q

Where does the fuel cutoff swicth shut off fuel?

A

Fuel shutoff valve (DC) after 1 second

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24
Q

Gravity flow is sufficient for MAX up to how many feet?

A

25,000’

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25
Gravity flow is only guaranteed up to how many feet? And flameouts reported as low as how many feet?
6,000' | 7,000'
26
Don't perform MAX thrust dives with less than how many pounds of fuel?
650 pounds
27
MAX flight time restriction at zero G at 10,000'? | at 30,000'?
10 seconds | 30 seconds
28
When solo, what is the fuel balance limitation?
Don't allow right (aft) to be twice left (forward)
29
When to not crossfeed?
1) Low fuel (BEO) (250 pounds) 2) EED or fuel indicator failure 3) Boos pump inoperative 4) Fuel leak in one system 5) Low altitude/traffic pattern
30
Engine thrust at MIL and MAX
2,200 pounds in MIL | 3,300 pounds in Full AB
31
When does the T5 kick in?
97%
32
Aftberburner augments engine by what percentage?
5-40%
33
Loss of thrust for engine anti-ice
180 +/-10 pounds 8. 5% in MIL 5. 5% in MAX
34
Fire warning locations
RALF Right bulb-Aft Left bulb-Forward
35
Reduced boost pump operation by how much below what fuel?
40% below 650# per side
36
Fuel flow can read as low as how much with throttles off?
60 pph
37
What is on the Utility Hydraulics?
``` FLCS Stability Augmentor Nosewheel Steering Landing Gear Speed Brake ```
38
What is in the EGI?
RALT YSAS INS GPS
39
Gear Warning Horn sounds when?
Below 210 KCAS Below 10,000' MSL BOTH throttles are below 96%
40
Alt Gear Extensions can take how long?
15, up to 35 seconds
41
When is NWS deactivated?
One or both throttles in MAX Either start button is pressed Release of the NWS button Aircraft weight is not on the nose gear
42
What ECS stuff runs off the Engine Compressor?
``` Defog Canopy Seals G-Suits Air Conditioning Pressurization +Engine Anti-Ice 2 Hydraulic Reservoirs ```
43
Canopy Defog Temp and Overtemp
200 and 280 degrees
44
When is cabin pressure 8,000'?
8,000' - 23,000'
45
What happens when you ram dump?
``` Ram air door and Pressure relief vavle opens Defog inop Canopy seals deflate G-suit inop Air-Conditioning inop Pressurization inop ```
46
Oil System Zero and Negative G is restricted to how many seconds?
10 seconds for zero-G. | 30 seconds for negative-G
47
What does the airframe mounted gearbox power?
AC generator and Hydraulic Pump
48
Minimum RPM for engine start? Oil?
12% | Above 0 PSI
49
What is the heart of the airstart envelope?
18-20%
50
Max airspeed for full deflection of nosewheel tire?
10 knots
51
Normal Oil Consumption rate
No more than 6 ounces per hour
52
What does the Flap-Slab interconnect do?
1) Horizontal tail positioned to minimize pitch changes caused by flap changes 2) As flaps extended, more nose-down travel available in horizontal tail 3) Increases amount of horizontal tail movement per inch of stick travel
53
Three-phase AC items
1) Boost Pumps 2) TRUs 3) Flaps (slow actuation) 4) HUD (2 phases required to fail to affect)
54
BERASSE Check
``` Boldface/Critical Action Items Engine Shutdown? Engine Restart? Alternate Gear Extension? Single Engine Approach? Single Engine Go procedures review Ejection procedures review ```
55
When EED is in night, when does it auto switch to full-bright?
22 Volts
56
781 dash
Good
57
781 slash
Medium, can be signed off
58
781 X
Bad, can't be signed off, needs a dash or slash
59
Tire pressure time
6 hours or end of day if flown
60
Preflight is good for how long?
72 hours if not flown
61
781 if something is highlighted, you need to compare what?
serial numbers to last page of 781
62
Lowest hyrdo pressure when doing flight control checks
1500 PSI
63
What is on the Battery Bus?
Static Inverter Afterburner Igniters

T-38 (10 decks)

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