T-38 Systems

Question 1

When does the left/right Generator lights turn on?

Answer 1

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

Question 2

What is on the Left Gen AC Bus?

Answer 2

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

Question 3

Components that require 3 phase power?

Answer 3

Boost Pumps
TRUs
Flap Motors
HUD

Question 4

What is on the Right Gen AC Bus?

Answer 4

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

Question 5

What is the Generator cut-in range?

Answer 5

43-48%

Question 6

When does the Generator shift occur?

Answer 6

65-75%

Question 7

What is the VAC output of the Generators?

Answer 7

115/200 VAC

Question 8

What is the Generator output rating in KVA and hz?

Answer 8

8 KVA
320-480 hz

Question 9

What components are powered by the Utility Hydro system?

Answer 9

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

Question 10

What components are powered by the Flight Hydro system?

Answer 10

Flight controls

Question 11

Flight time limit with loss of hydro system?

Answer 11

35 Minutes

Question 12

What are the gear up rudder limits?

Answer 12

6*

Question 13

What are the gear down rudder limits?

Answer 13

30*

Question 14

What is the SAS rudder limits?

Answer 14

2*

Question 15

What is the Rudder Trim limits?

Answer 15

4*

Question 16

What is the normal fuel pressure?

Answer 16

10 PSI

Question 17

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

Answer 17

With less than 6 psi in the engine feed line

Question 18

What is fuel control regulated by?

Answer 18

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

Question 19

What is AB fuel control regulated by?

Answer 19

Throttle position
Compressor Discharge pressure

Question 20

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

Answer 20

MAX only to 25,000 Ft

Question 21

What altitude is gravity feeding of the engines guaranteed?

Answer 21

6000 Ft

Question 22

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

Answer 22

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

Question 23

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

Answer 23

80%

Question 24

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

Answer 24

8.5% in MIL
5.5% in MAX

Question 25

When does the OXYGEN light come on?

Answer 25

Below 1L or 3L due to sloshing

Question 26

Normal O2 Px?

Answer 26

50-120

Question 27

Components that are powered by the Pneumatic System?

Answer 27

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

Question 28

When do you not crossfeed?

Answer 28

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

Question 29

When does the FUEL LOW light come on?

Answer 29

250lbs for 7.5 seconds on the respective gauge

Question 30

Total fuel with single point refueling?

Answer 30

4084 lbs

Question 31

Total usable fuel?

Answer 31

3982 lbs

Question 32

How much fuel is lost using over the wing refueling?

Answer 32

41 lbs

Question 33

Which fuel cells feed the right engine?

Answer 33

Center and aft cells

Question 34

Which fuel cells feed the left engine?

Answer 34

Forward and dorsal cells

Question 35

How many volts are required to close the battery Relay?

Answer 35

18 Volts

Question 36

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

Answer 36

10 volts

Question 37

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

Answer 37

15 min

Question 38

The static inverter converts what to what?

Answer 38

DC to AC

Question 39

How is the inverter acitvated on the ground?

Answer 39

Engine start button pressed or OXY/FUEL switch

Question 40

How in the inverter activated in flight?

Answer 40

Engine start button OXY/FUEL switch Throttle in max

Question 41

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

Answer 41

98% or 630 EGT

Question 42

MIL thrust is obtained at ___ RPM without afterburner

Answer 42

100%

Question 43

MAX thrust is obtained at ____RPM with the afterburner operating

Answer 43

100%

Question 44

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

Answer 44

10%, 50%

Question 45

Wing Flaps 1 to 45% ____KCAS

Answer 45

300 KCAS

Question 46

Wing Flaps 46 to 60% ____KCAS

Answer 46

240 KCAS

Question 47

Wing Flaps over 60% ___ KCAS

Answer 47

220 KCAS

Question 48

Do not exceed ____ KCAS with the gear extended

Answer 48

240 KCAS

Question 49

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

Answer 49

50 KTS GS

Question 50

Do not exceed ____ KCAS with the nosewheel steering engaged

Answer 50

65 KTS

Question 51

___ RPM maximum transient (Red Tick)

Answer 51

107 %

Question 52

____ MIL and MAX RPM ground (Dark green arc)

Answer 52

99-101%

Question 53

___ MIL and MAX RPM flight (Dark green arc)

Answer 53

99-104%

Question 54

___ Idle RPM with WOW (Light green arc)

Answer 54

46-50%

Question 55

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

Answer 55

630-650C

Question 56

___EGT abort start temp (red tic)

Answer 56

845C

Question 57

___EGT Max during start (red tic)

Answer 57

925C

Question 58

___EGT MIL and MAX thrust range

Answer 58

630-650C

Question 59

Oil PX ___ PSI minimum (red tic)

Answer 59

5 PSI

Question 60

Oil Px ___ PSI normal range (Light green arc)

Answer 60

5-19 PSI

Question 61

Oil Px___PSI normal range (Dark Green arc)

Answer 61

20-55 PSI

Question 62

Oil Px___PSI Max (red tic)

Answer 62

55 PSI

Question 63

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

Answer 63

400-600

Question 64

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

Answer 64

2100-2700

Question 65

Hydro pressure red tics

Answer 65

1500-3200 PSI

Question 66

Hydro pressure green arc

Answer 66

2850-3200

Question 67

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

Answer 67

Low

Question 68

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

Answer 68

650lbs

Question 69

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

Answer 69

10, 30, 650 LBS

Question 70

Oil PX 0 G flight is limited to ___ sec

Answer 70

10

Question 71

Oil PX Neg G flight is limited to ___ sec

Answer 71

30

Question 72

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

Answer 72

10

Question 73

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

Answer 73

Right, Left

Question 74

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

Answer 74

45 min

Question 75

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

Answer 75

15 minutes

Question 76

What is mounted to the airframe mounted gearbox?

Answer 76

AC generator and hydraulic pump

Question 77

Electrical power for the 38 is supplied by?

Answer 77

2 AC Generators

Question 78

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

Answer 78

Nose section

Question 79

What is powered by both hydraulic systems?

Answer 79

Flight Controls

Question 80

Items that cannot be controlled from the rear cockpit?

Answer 80

Fuel boost pumps Crossfeed operations engine shutdown stability augmenter AC

Question 81

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

Answer 81

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

Question 82

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

Answer 82

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

Question 83

What are some AC powered instruments?

Answer 83

Oil px indicators FF indicators O2 quantity Fuel quantity Hydraulic indicators

Question 84

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

Answer 84

Boost Pumps Trim HUD Wing flaps MDP

Question 85

What instruments are operational with both generators inop?

Answer 85

RPM Nozzle position indicators EGT

Question 86

How is the WCA system lights powered?

Answer 86

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

Question 87

What is on the left DC Bus?

Answer 87

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

Question 88

What is on the right DC Bus?

Answer 88

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

Question 89

What voltage does the battery go offline?

Answer 89

10V