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T-38 Class > T-38 Systems > Flashcards

T-38 Systems Flashcards

1
Q

When does the left/right Generator lights turn on?

A
  1. Gen Switch is off
  2. That bus is not receiving power from the respective generator.
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2
Q

What is on the Left Gen AC Bus?

A

R-A-A-L-L-F
Rudder Trim
Augmenter
AOA Heat
Lights
Left (oil/hydPX/fuelBP,TRU#1)
F- Fuel Flow

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3
Q

Components that require 3 phase power?

A

Boost Pumps
TRUs
Flap Motors
HUD

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4
Q

What is on the Right Gen AC Bus?

A

THE PC FARMS
Trim
Exciters (ignition)
HUD
Probe Heat
Canopy Seal
Flap Motors
Air Cond/Anti Ice
Right(oil/hydPX,fuelBP, TRU#2)
MDP
Seat Adjust

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5
Q

What is the Generator cut-in range?

A

43-48%

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6
Q

When does the Generator shift occur?

A

65-75%

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7
Q

What is the VAC output of the Generators?

A

115/200 VAC

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8
Q

What is the Generator output rating in KVA and hz?

A

8 KVA
320-480 hz

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9
Q

What components are powered by the Utility Hydro system?

A

F-A-N-G-S
Flight Controls
Augmenter System
NWS
Gear ext/ret
Speed Brake

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10
Q

What components are powered by the Flight Hydro system?

A

Flight controls

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11
Q

Flight time limit with loss of hydro system?

A

35 Minutes

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12
Q

What are the gear up rudder limits?

A

6*

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13
Q

What are the gear down rudder limits?

A

30*

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14
Q

What is the SAS rudder limits?

A

2*

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15
Q

What is the Rudder Trim limits?

A

4*

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16
Q

What is the normal fuel pressure?

A

10 PSI

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17
Q

When does the Left/Right Fuel Press caution light come on?

A

With less than 6 psi in the engine feed line

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18
Q

What is fuel control regulated by?

A

TIDE
Throttle position
Engine inlet air temp
compressor discharge pressure
Engine Speed (RPM)

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19
Q

What is AB fuel control regulated by?

A

Throttle position
Compressor Discharge pressure

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20
Q

Max altitude to gravity feed the engine in the event of an electrical boost pump failure?

A

MAX only to 25,000 Ft

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21
Q

What altitude is gravity feeding of the engines guaranteed?

A

6000 Ft

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22
Q

When does the engine anti ice default to the “on” position?

A

Below 65% and when no power to Right AC bus.

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23
Q

What throttle setting do you need to be above for engine anti ice to be effective?

A

80%

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24
Q

What is the thrust lost at MIL/MAX with the engine anti ice on?

A

8.5% in MIL
5.5% in MAX

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25
Q

When does the OXYGEN light come on?

A

Below 1L or 3L due to sloshing

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26
Q

Normal O2 Px?

A

50-120

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27
Q

Components that are powered by the Pneumatic System?

A

Defog
Canopy Seal
G Suit
A/C
P- Cabin Pressure
+2 Hydro Res, Engine Anti Ice

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28
Q

When do you not crossfeed?

A

BILLL
Boost Pump inop
Indicator malfunction
Low fuel
Low Altitude
LEak in the system

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29
Q

When does the FUEL LOW light come on?

A

250lbs for 7.5 seconds on the respective gauge

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30
Q

Total fuel with single point refueling?

A

4084 lbs

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31
Q

Total usable fuel?

A

3982 lbs

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32
Q

How much fuel is lost using over the wing refueling?

A

41 lbs

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33
Q

Which fuel cells feed the right engine?

A

Center and aft cells

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34
Q

Which fuel cells feed the left engine?

A

Forward and dorsal cells

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35
Q

How many volts are required to close the battery Relay?

A

18 Volts

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36
Q

With the Batt relay closed, how low should the battery remain on?

A

10 volts

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37
Q

With a dual TRU failure, how long will the battery supply the essential DC busses?

A

15 min

38
Q

The static inverter converts what to what?

A

DC to AC

39
Q

How is the inverter acitvated on the ground?

A

Engine start button pressed or OXY/FUEL switch

40
Q

How in the inverter activated in flight?

A

Engine start button
OXY/FUEL switch
Throttle in max

41
Q

Normal (maximum continuous) thrust is obtained at ____ RPM or ____ EGT, whichever occurs first

A

98% or 630 EGT

42
Q

MIL thrust is obtained at ___ RPM without afterburner

A

100%

43
Q

MAX thrust is obtained at ____RPM with the afterburner operating

A

100%

44
Q

Afterburner range extends from min afterburner of approximately ___ percent augmentation to max AB which is ___ percent agumentation

A

10%, 50%

45
Q

Wing Flaps
1 to 45% ____KCAS

A

300 KCAS

46
Q

Wing Flaps
46 to 60% ____KCAS

A

240 KCAS

47
Q

Wing Flaps
over 60% ___ KCAS

A

220 KCAS

48
Q

Do not exceed ____ KCAS with the gear extended

A

240 KCAS

49
Q

Do not exceed ___ Kts GS while taxiing with the canopy open

A

50 KTS GS

50
Q

Do not exceed ____ KCAS with the nosewheel steering engaged

A

65 KTS

51
Q

___ RPM maximum transient (Red Tick)

A

107 %

52
Q

____ MIL and MAX RPM ground (Dark green arc)

A

99-101%

53
Q

___ MIL and MAX RPM flight
(Dark green arc)

A

99-104%

54
Q

___ Idle RPM with WOW (Light green arc)

A

46-50%

55
Q

____ EGT max steady state ground/flight (Dark Green arc)

A

630-650C

56
Q

___EGT abort start temp (red tic)

A

845C

57
Q

___EGT Max during start (red tic)

A

925C

58
Q

___EGT MIL and MAX thrust range

A

630-650C

59
Q

Oil PX ___ PSI minimum (red tic)

A

5 PSI

60
Q

Oil Px ___ PSI normal range (Light green arc)

A

5-19 PSI

61
Q

Oil Px___PSI normal range (Dark Green arc)

A

20-55 PSI

62
Q

Oil Px___PSI Max (red tic)

A

55 PSI

63
Q

FF Normal range Idle- Ground steady state (green bands)

A

400-600

64
Q

FF Normal range military- Ground steady state (green bands)

A

2100-2700

65
Q

Hydro pressure red tics

A

1500-3200 PSI

66
Q

Hydro pressure green arc

A

2850-3200

67
Q

At ___ Compressor inlet temps, MIL and AB EGT and RPM may be below normal operating limits

A

Low

68
Q

Do not MAX thrust dive with less than___ LBS of fuel in either system

A

650lbs

69
Q

MAX thrust in 0-G or negative load factors for more than ___ seconds at 10,000 ft or ___ seconds at 30,000 ft. With less than ____ lbs of fuel in either system, time for successful engine operation is further reduced

A

10, 30, 650 LBS

70
Q

Oil PX 0 G flight is limited to ___ sec

A

10

71
Q

Oil PX Neg G flight is limited to ___ sec

A

30

72
Q

CAUTION– If Oil PX does not recover within approximately ____ seconds, return to normal flight conditions.

A

10

73
Q

To avoid exceeding aft CG limits do not let the ____ fuel system double the quantity of the ____ fuel system.

A

Right, Left

74
Q

Minimum time interval between full stop landings gear retracted in flight ____

A

45 min

75
Q

Minimum time interval between full stop landings gear extended in flight ____

A

15 minutes

76
Q

What is mounted to the airframe mounted gearbox?

A

AC generator and hydraulic pump

77
Q

Electrical power for the 38 is supplied by?

A

2 AC Generators

78
Q

Where is most of the electrical equipment stored on the T-38?

A

Nose section

79
Q

What is powered by both hydraulic systems?

A

Flight Controls

80
Q

Items that cannot be controlled from the rear cockpit?

A

Fuel boost pumps
Crossfeed operations
engine shutdown
stability augmenter
AC

81
Q

MASTER CAUTION light and RIGHT GENERATOR light illuminate, how can you determine if the left generator is not powering the right AC bus?

A

Blank HUD and OFF indications for the right Oil PX and Fuel flow indicators and on both fuel quantity indicators

82
Q

In the event of complete AC power failure the flood lights…

A

Will illuminate provided the flood light control knob is out of the OFF position

83
Q

What are some AC powered instruments?

A

Oil px indicators
FF indicators
O2 quantity
Fuel quantity
Hydraulic indicators

84
Q

What components would fail in the event of complete AC power failure?

A

Boost Pumps
Trim
HUD
Wing flaps
MDP

85
Q

What instruments are operational with both generators inop?

A

RPM
Nozzle position indicators
EGT

86
Q

How is the WCA system lights powered?

A

Right AC bus in DIM and the left essential DC bus in BRIGHT

87
Q

What is on the left DC Bus?

A

W-V-I-A-F-A-C-T-S
WCA Bright
VOR/ILS/VHF radio
ILS
AOA indexer
Flap Switch
AAP/AIU/Standby AS/ALT
Crossfeed
Transponder
Speedbrake

88
Q

What is on the right DC Bus?

A

ITMADEANAGFUN
Ignition
TACAN
MFD
Afterburner
DTS
EED
AIU
NWS
ADC
Gear Control/lights/warn/tones
Fire Detect
UHF radio
Nav-EGI

89
Q

What voltage does the battery go offline?

A

10V

90
Q
A

T-38 Class (13 decks)

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