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T38 Systems > Systems > Flashcards

Systems Flashcards

1
Q

Go thru HUD

A

know all the items on the HUD

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2
Q

When does the Radar Altimeter go away

A

above 5200agl, weight on wheels, or more than 45 degree bank

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3
Q 
What are the UFCP  hot keys
G
H
N
P
Q
R
T
U
V
A 
G - turns off UHF guard for 1min
H - snaps hdg 
N - Nearest airfield
P - Flight plan
Q - Toggles between QNH/QNE
R - Repeater mode
T - Target designation page
U / V - toggles squelch for UHF and VHF
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4
Q

What does UFCP pwr button do?

A

Turns on front and back seat UFCD and turns on the HUD

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5
Q

Go thru ops limits

A

get ops limits right

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6
Q

What is on the airframe mounted gearbox?

A

AC Generator and Hydraulic pump

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7
Q

which AC bus is most important and why

A

Right ac bus. Flaps and trim

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8
Q

what does a protection panel do?

A

protects the generator from a bad bus and it protects bus from a bad generator

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9
Q

what activates the static inverter

A
  1. pushing either start button
  2. moving either throttle to max
  3. holding the fuel/oxygen switch in either GAGE test or QTY check
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10
Q

what activates the static inverter

A
  1. pushing either start button
  2. moving either throttle to max
  3. holding the fuel/oxygen switch in either GAGE test or QTY check
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11
Q

What is the shift range for the generators

A

65-75%

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12
Q

Type of battery, how long will it last?

A

24V lead acid battery

15min at 80% charge

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13
Q

How many volts needed for the Batt to charge

A

18V

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14
Q

Min Volts for Batt stay on

A

10

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15
Q

What is a Transformer Rectifier Unit

A

TRU: converts AC power to DC power

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16
Q

what are the 3 DC buses

A

left/right ess, non essential

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17
Q

What bus is the non ess bus powered by

A

Left DC ess

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18
Q

T/F: turn on Batt switch prior to plugging in external power

A

True, to see if batt is above 18V to keep charge

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19
Q

What does it mean when a UFCP is blinking?

A

Invalid entry

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20
Q

How long does it take the INS to align

A

4 minutes

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21
Q

How long do you wait after turning off EGI?

A

10 sec

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22
Q

How many channels does UHF backup have?

A

20 plus guard and manual

23
Q

What button on NAV backup changes freqs?

A

function knob

24
Q

T/F backseat UHF overrides front seat when both pilots are trying to transmit

A

True

25
Q

How many stored UHF and VHF freqs are there?

A

40 each

26
Q

Dual TRU Fail indications

A

master caution, xmfr rect out light and ufcp blank

27
Q

oil shaft failure indications

A

no oil px, 0 RPM (no tach gen), no T5 alt (high egt at high power setting)

28
Q

Fail vs OFF on eed

A 
Fail = eed gauge failure
OFF = bad sensor info
29
Q

sudden change of ____ oil px indicative of malfunction

A

10

30
Q

T/F Aux flap switch is in front cockpit only

A

True

31
Q

Static inverter provides power to what

A

initial start on ground and in the air on battery pwr

32
Q

How do you get the landing/taxi light to extend?

A

3/4 gear down and position lights on

33
Q

EGI is preferred/blended solution for the INS egi steermode

A

true

34
Q

what button gets you the squawk page on UFCP

A

IFF

35
Q

if TCAS declutter is set to 0 all traffic is shown

A

True

36
Q

What color is VOR needle on EHSI

A

magenta

37
Q

Crossfeed on, right boost off. whats fueling

A

Left system fueling both engines

38
Q

air to air tacan channel placement

A

63 apart aka 29.92

39
Q

Gravity fed fuel rules

A

should work up to 25k.
Guaranteed up to 6k
flameouts as low as 7k

40
Q

What does the flight path marker show

A

aircraft velocity vector

41
Q

What is DC powered during dual TRU fail?

A

Left/right ess dc by the batt (15min). Non ess DC bus not powered

42
Q

What does not have audible alerts

A

avionics, descend, no breakx, alt hold

43
Q

When can you not crossfeed

A

Boost pump failure
fuel qty indicator failure
leak, low fuel, low altitude

44
Q

what is the heart of the RPM airstart zone

A

18-20%

45
Q

What do you lose if the Utility hydro is lost

A

nosewheel steering, speed brake, ysas (yaw damper), normal gear extension and retraction

46
Q

variable geometry inlet veins help prevent ______

A

compressor stalls

47
Q

what RPM is needed for engine anti-ice to be affective

A

80%

48
Q

when do you get hydraulic light

A

<1500 PSI

49
Q

When do you get the gear warning on descent

A

below 10k, both throttles below 96%, and <210kts

50
Q

what happens during a flap/slab interconnect failure

A

smooth but def nose up pitch

51
Q

What do you lose when you RAM dump

A 
defog
canopy seal
G suit
air conditioning
pressurization
52
Q

what is the cabin altitude formula

A

8000 +/- 1000 up to 23k

(alt-6k)/2 +/-2000 above 23k

53
Q

fuel imbalance limit

A

right/aft system cannot be twice as much as left/front system

54
Q

what percent does the generators kick on

A

43-48%

T38 Systems (1 decks)

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