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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

25
How many stored UHF and VHF freqs are there?
40 each
26
Dual TRU Fail indications
master caution, xmfr rect out light and ufcp blank
27
oil shaft failure indications
no oil px, 0 RPM (no tach gen), no T5 alt (high egt at high power setting)
28
Fail vs OFF on eed
``` Fail = eed gauge failure OFF = bad sensor info ```
29
sudden change of ____ oil px indicative of malfunction
10
30
T/F Aux flap switch is in front cockpit only
True
31
Static inverter provides power to what
initial start on ground and in the air on battery pwr
32
How do you get the landing/taxi light to extend?
3/4 gear down and position lights on
33
EGI is preferred/blended solution for the INS egi steermode
true
34
what button gets you the squawk page on UFCP
IFF
35
if TCAS declutter is set to 0 all traffic is shown
True
36
What color is VOR needle on EHSI
magenta
37
Crossfeed on, right boost off. whats fueling
Left system fueling both engines
38
air to air tacan channel placement
63 apart aka 29.92
39
Gravity fed fuel rules
should work up to 25k. Guaranteed up to 6k flameouts as low as 7k
40
What does the flight path marker show
aircraft velocity vector
41
What is DC powered during dual TRU fail?
Left/right ess dc by the batt (15min). Non ess DC bus not powered
42
What does not have audible alerts
avionics, descend, no breakx, alt hold
43
When can you not crossfeed
Boost pump failure fuel qty indicator failure leak, low fuel, low altitude
44
what is the heart of the RPM airstart zone
18-20%
45
What do you lose if the Utility hydro is lost
nosewheel steering, speed brake, ysas (yaw damper), normal gear extension and retraction
46
variable geometry inlet veins help prevent ______
compressor stalls
47
what RPM is needed for engine anti-ice to be affective
80%
48
when do you get hydraulic light
<1500 PSI
49
When do you get the gear warning on descent
below 10k, both throttles below 96%, and <210kts
50
what happens during a flap/slab interconnect failure
smooth but def nose up pitch
51
What do you lose when you RAM dump
``` defog canopy seal G suit air conditioning pressurization ```
52
what is the cabin altitude formula
8000 +/- 1000 up to 23k | (alt-6k)/2 +/-2000 above 23k
53
fuel imbalance limit
right/aft system cannot be twice as much as left/front system
54
what percent does the generators kick on
43-48%

T38 Systems (1 decks)

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