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TILT > Stuff > Flashcards

Stuff Flashcards

1
Q

8 reasons for FADEC shutdown

A

1.) ECL aft of start
2.) Ng over speed
3.) Np over speed
4.) no light off detection on eng start
5.) stagnated start or flameout on eng start
6.) failure of second FADEC and Ng speed <59%
7.) failure to relight on flameout detection
8.) MGT > 779 on Eng start

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2
Q

Coanda auto activated when?

A

1.) Qe <28%
2.) Ng >67%
3.) nacelle angle >52 deg
4.) MGT < 593
5.) NIU receives WOW indication

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3
Q

Main purpose of the inner outer loop?

A

Maintain Nr

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4
Q

When does the temperature switch shutdown FADEC B?

A

> 80 deg C

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5
Q

FADEC B override switch

A

Overrides the shutdown of FADEC B from temps over 80

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6
Q

Purpose of the FPMU

A

Controls fuel pressure and flow as well as the CVG actuator in response to signals from the FADECs

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7
Q

AVVs?

A

Air vent valves purge air in the fuel pump outlet during engine start

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8
Q

PMAs power what?

A

Exciters, FADECs, FPMU, and other engine electrical components

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9
Q

PMAs provide sufficient power to drive the ignition system at all speeds above ____% Ng and to power FADECs at a min of ____% Ng

A

10%

50%

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10
Q

Engine oil tank quantity

A

3 gallons

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11
Q

Engine oil gauge yellow region is displayed as green for the first ____ min of weight off wheels due to _____

A

15

Gulping

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12
Q

Interim power on?

A

Nac < 70
Aspd < 60

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13
Q

An engine restart cannot be initiated until Ng is below ____%

A

29%

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14
Q

EAPS auto mode on ____ and off ____

A

On: < 60 KCAS
Off: > 70 KCAS

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15
Q

How many thermocouples? Why?

A

14; 7 per FADEC

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16
Q

What do monopole sensors measure?

A

Qe and secondary Np

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17
Q

Where does the starter get power from?

A

Hyd 3

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18
Q

What happens at 2.5% Ng?

A

AVV/ ABVs Open

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19
Q

Main purpose of the drive system?

A
  • transmit torque from the engines to the proprotors
  • provide synchronization of the props
  • provide power for electrical, hydraulic, and pneumatic powers
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20
Q

What is mounted on the MWGB?

A

Rotor break
RPU
CFG 1
VFG 4
SDC
APU
oil cooler
Hyd 3

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21
Q

When does the RADALT declutter?
Disappear?

A

1,000 ft

10,000 ft

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22
Q

Purpose of DSIU?

A

Monitor chip burn and ELS

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23
Q

when does ELS kick in? Turn off?

A

PRGB oil pressure drops below 30 psi

Off at 35 psi

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24
Q

Hard Braking: ____
Light braking: ____

A

< 20 KCAS
< 60 KCAS

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25
Q

Wing feed tanks designed to maintain a ___ min supply of fuel

A

30

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26
Q

8 major functions of the FMU

A
  • measure fuel quantity
  • manage fuel burn sequence
  • manage ground/ aerial refueling defueling and fuel dump
  • monitor fuel sys health and isolate component faults
  • communicate sys status to GRDP
  • communicate sys status to avionic system
  • communicate fuel status to SFD
  • communicate low engine/ gearbox oil levels to the GRDP and maintenance flight summary page
27
Q

Max touchdown speed for a ROL?

A

88 GS

28
Q

MLG bay fire indications?

A

No indications

29
Q

LG isolation valve closed?

A

-WOW
-up / down and locked
- airspeed > 180 KCAS
- hyd 3 detects a leak

30
Q

Out of range switch for nose wheel

A

70 deg from center

31
Q

Max airspeed down for LG

A

150 KCAS

32
Q

Max airspeed with gear retracting or extending

A

140 KCAS

33
Q

Sink rate > 46,000 lbs

A

600 fpm

34
Q

Sink rate < 46,000 lbs

A

720 fpm

35
Q

What allows Hyd 3 to pressurize all systems?

A

Ground checkout valve

36
Q

HYD PRESS LO comes on < ____

A

4600 psi

37
Q

What Nr does Hyd 1 and 2 begin pressurizing their respective systems? What valve sends Hyd 3 back?

A

58% Nr
Fluid compensation valve

38
Q

Hyd 1 and 2 detection levels

A

30, 40, 50 in ^2

39
Q

Hyd 3 detection levels

A

45, 60 in ^2

40
Q

How many INSs

A

3, one per FCC

41
Q

Stall warning is only produced for what nacelle angles?

A

0-35 deg

42
Q

If the cabin doors are not locked, the nacelles don’t go past ___

A

45 degrees

43
Q

Max flaps?

A

73 deg

44
Q

Can you fly with out VSLED sensors operational?

A

No

45
Q

Before a PAC, operate engine for ___ min with MGT > ____

A

5 min; 620 deg

46
Q

SDC provides air to…

A

OBIGGS/ OBOGS
air cooling
Over pressurization
Wing de icing
Particle scavenging

47
Q

Heading hold < ___ KCAS
Coordinated turn > ____ KCAS

A

45
50

48
Q

Opposed lateral cyclic

A

4 degrees to reduce downwash over wings and improve power

49
Q

Max angle of bank

A

60 deg

50
Q

Which FADEC is located inner of the firewall

A

FADEC B

51
Q

Beta gorverning

A

The engine is unable to keep up with PDS and the rotors begin to slow, to compensate, they take pitch out and spin the rotor back up and reintroduce pitch

52
Q

Starter drops out at ___ % Ng

A

57

53
Q

____ ft diameter rotor blades

A

38 ft

54
Q

Primary path through rotor blade? Secondary?

A

Primary CV joint
Secondary Beam

55
Q

Pitch horns are connected to ….

A

Trailing edge of proprotor

56
Q

Blade twist

A

47.5

57
Q

84% Nr limited to ___ KCAS or ___ mach
100% Nr limited to ____ KCAS or ___ mach

A

280 KCAS/ .48 mach
220 KCAS / .46 mach

58
Q

How wide is the CV

A

85 ft

59
Q

ICDS upward tilt ___ and forward wing sweep ____

A

3.5 deg
6 deg

60
Q

What happens if the SDC gets a chip

A

Shuts down

61
Q

Parameters for BFWS

A

WOW
ECLs off
Nr 0 deg
Rotor brake off

62
Q

INS drift rate

A

.8 nm/ hr

63
Q

Enhanced Interrupted Alignment

A

Reduces INS drift rage from .8 to .5 nm/ hr by doing a 90 deg turn during alignment

64
Q

GPS and INS must be accurate within ____

A

300 ft or .05 min

TILT (28 decks)

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