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Question 1

What are the Major functions of FMU (Fuel Management Unit)

Answer 1

1 Measures fuel quantity
2 Monitors fuel burn
3 Manages fuel system health and isolate component faults
4 Monitors ground/aerial refueling, defueling, and fuel dump
5 communicate system status to GRDP and integrated avionics system
6 communicate fuel quantity to the SFD
7 communicate low engine/gearbox oil levels to the GRDP and maint flight summary

Question 2

What is FFR?

Answer 2

Feather Flapping Rotor Load Indicator

Question 3

What assembly provides a circuit path for electrical power to the blade fold systems, blade tip lights, flapping transducers, mast torque sensors, and ice protection distributor

Answer 3

Slipping assembly

Question 4

What three weights are attached to the yoke used to absorb rotor vibrations

Answer 4

Pendulum Damper Assembly

Question 5

What Driveshaft connects the PRGB and TAGB through the ICDS?

Answer 5

Pylon Driveshaft

Question 6

What does the ICDS (Interconnecting Drive Shaft) do?

Answer 6

Synchronizes the proprotor system

Question 7

How does the FFR work?

Answer 7

Detects the elastomeric bearing temperature to determine if the rotor load is damaging the rotor

Question 8

What drives VFG 3?

Answer 8

LTAGB

Question 9

What drives VFG 4

Answer 9

MWGB

Question 10

What is the primary power for the FCCs?

Answer 10

PMGs

Question 11

What does ext power power up?

Answer 11

AC buses 1/2, ENV buses 1/2 and the CVs will power the dc buses…

Question 12

What does ext power not power up?

Answer 12

AC Ice Protection System

Question 13

In flight, 80% charge provides ____ min emerg pwr for ess equip

Answer 13

20

Question 14

What does the ENV bus power?

Answer 14

De-ice boots
Air cond
OBOGS
OBIGGS
AVI Cooling

Question 15

What does Nacelle IPS do?

Answer 15

Prevent ice from

Rotors
Spinners
Pend dampers
Air inlets
Windshields
Pitot tubes
AOA sensor
Ice prot sensors

Question 16

What is level one Vortex Ring State?

Answer 16

Increase vibration levels, sluggishness

Question 17

How do you correct level 1 VRS?

Answer 17

TCL to stop descent or trim NAC fwd @ max rate for 2 seconds (15°) fly out

Question 18

What is level 2 VRS?

Answer 18

Rumbling/ increased sink rate

Improper roll response

Question 19

How do you correct level 2 VRS?

Answer 19

NAC fwd @ max rate for 2 secs (15°)

Question 20

What is level 3 VRS?

Answer 20

Rapid Uncommanded roll corresponding large pitch

Question 21

How does the Air Data System work?

Answer 21

Air goes through the pitot/static tube to the 3 Air Data Units to get readings for the SFI and FCCs while the FCCs send data to the MCs

Question 22

What MGT do you abort engine start?

Answer 22

779°

Question 23

When does the battery time out?

Answer 23

After 5 minutes

Question 24

What are the 4 major components of the engines?

Answer 24

Torque meter Assembly
Gas Generator Assembly
Power Turbine Assembly
Accessory Drive Assembly

Question 25

How many fuel nozzles are on each engine?

Answer 25

16

Question 26

How many debris sensors are there and where are they?

Answer 26

``` 15 1 in ea eng 3 in ea PRGB 2 in ea TAGB 1 in MWGB 1 in SDC 1 in APU ```

Question 27

What’s in the Accessory Drive Assembly?

Answer 27

FPMU HYD Eng Starter PMA Oil pump/regu assembly

Question 28

What is FADEC A connected to?

Answer 28

FCC 1/2

Question 29

What is FADEC B connected to?

Answer 29

2/3 and 1/3

Question 30

What is Emergency Shutdown?

Answer 30

``` ECL — OFF (aff eng) T- Handle — ARM Rotor Brake - ON APU - STOP(as req) Battery - OFF Egress - (as req) ```

Question 31

When does the FADECS initiate a engine shutdown?

Answer 31

``` ECL aft of start NG/NP over speed No light off detection on ENG start Stagnated start or flameout detection Failure to relight on flameout detection Failure of 2nd FADEC and NG speed <53%Ng MGT >779C during a start ```

Question 32

When is Interim power armed or on?

Answer 32

ARMED — Above 60KCAS or below 70 NAC | ON — Below 55KCAS and above 70 NAC

Question 33

What is EAPs powered by?

Answer 33

HYD 3

Question 34

When is EAPs on or off in AUTO mode?

Answer 34

ON —below 60kts | OFF — above 70kts

Question 35

What is utilities does HYD 3 power?

Answer 35

``` Cargo ramp/door Rotor brake EAPs Wheel brakes Cargo Winch RPU Engine starter Wing stow/locking pin Landing gear Aerial refueling retracting probe Nose wheel steering ```

Question 36

When does ICDS pwr on?

Answer 36

84% NR

Question 37

Where are the boost pumps?

Answer 37

2 sponsons | 2 wing aux

Question 38

Where are the suction lift pumps?

Answer 38

Feed tanks

Question 39

What kind of fuel system is on the CV-22?

Answer 39

Crashworthy Fully automatic Suction-type system

Question 40

What are the support couplings between the DS in each wing monitored by?

Answer 40

VSLED (Vibration, Structural Life , And Engine Diagnostics)

Question 41

How do you pull the jettison windows?

Answer 41

Look away visor down and pull at 45°

Question 42

What gearbox oil pressure is normal while AEO? (All Engines Operative)?

Answer 42

60-95 PSI

Question 43

What is the gearboxes normal oil pressure OEI (One Engine Inoperative)?

Answer 43

60-95 Normal | 60-50 Low Caution

Question 44

What is normal oil pressure for MWGB?

Answer 44

40-65 psi

Question 45

What is high oil temps for gearboxes with OEI (One Engine Inoperative)?

Answer 45

High W above 121°C | High C 110-121°

Question 46

What high oil temps for gearboxes while AEO (All Engines Operating)?

Answer 46

High W above 132° C | High C 110 - 132° C

Question 47

What is normal, low and high engine oil pressure?

Answer 47

Above 90 psi high W 35-60 psi normal Below 30 psi low W

Question 48

What is normal low and high engine oil temperature?

Answer 48

Above 140° C High W 40 - 135°C normal Below 20°C Low W

Question 49

What is APLN Normal load factor symmetric and asymmetric?

Answer 49

- .5 to 4.0g symmetric | - .5 to 3.2g asymmetric

Question 50

What is Max airspeed in turbulence?

Answer 50

220 KCAS

Question 51

What minimum feed tank quantity?

Answer 51

300 lbs

Question 52

What is max forward sponson allowable fuel split?

Answer 52

2,500 lbs

Question 53

What is VTOL MHGW?

Answer 53

52,600 lbs

Question 54

What is CONV/APLN MHGW and MAGW (Max Alternate Gross Weight)?

Answer 54

57,000 MHGW | 60,500 MAGW

Question 55

What’s on the ESS batt bus?

Answer 55

``` APU ECU Emerg Gear Ground Emerg 02 ENG/Fire Detect & Suppress FCC 2/3 BU pwr L/R FMU ```

Question 56

What’s on ENV 1?

Answer 56

L/R Suction Lift Pumps | AOA Heater

Question 57

What’s on AC 1 Bus?

Answer 57

FLIR GPS IBR MC1

Question 58

What’s on AC 2 BUS?

Answer 58

EMERG LUBE MC2 MMR

Question 59

What’s on ENV 2 BUS?

Answer 59

L/R Feed boost pump L/R Sponson boost pump L/R Wing Aux boost pump L/R avionics bay intake fan

Question 60

What does eng bleed air provide anti ice for?

Answer 60

Engine intake struts and EAPS

Question 61

What does IPS provide anti ice protection for?

Answer 61

``` Prop rotor blade leading edges Spinners Pendulum Dampers Eng air struts Windshield Pitot static probes AOA Sensors ```