MSO Tech Quiz

Question 1

Which AAR pumps are fed by;

a. Green HYD
b. Blue HYD
c. Yellow HYD

Answer 1

a. Green - 2, 3, 6, 7
b. Blue - 1, 4
c. Yellow - 5

Question 2

Which documents set the parameters for the use of MIDS / Link 16?

Answer 2

Frequency Clearance Agreement

Voyager MIDS User Guide

Question 4

Which ARCs controls AAR pumps 1 - 7?

Answer 4

ARC 1 - 1, 3, 5, 7 (Odds)

ARC 2 - 2, 4, 6 (Evens)

Question 5

At approximately what fuel tank levels do the ARCs stop AAR pumps running?

Answer 5

1 and 2 stop when Centre tank reaches 4T

3 and 6 stop when corresponding Inner tank reaches 9/10T

4 and 5 stop when corresponding Inner tank reaches 4T

Question 6

During what conditions is FRU SCAVENGE not available?

Answer 6

APU running

Trim tank transfer in progress

Receiver selected on the FRU page

Question 7

At approximately what Inner tank fuel imbalance does ARC selectively switch AAR pumps?

Answer 7

When lateral imbalance >2000 kg

Question 8

What is the maximum flow rate and pressure the PODS can supply fuel at?

Answer 8

1250 kg/min at 50 (+/-5) psi

Question 9

What is the maximum flow rate and pressure the FRU can supply fuel at?

Answer 9

1800 kg/min at 50 (+/- 5) psi

Question 10

What device prevents fuel spillage from hose coupling during receiver disconnects?

Answer 10

The poppet valve closes to prevent spillage

Question 11

How can MSO control the Drogue illumination lights?

Answer 11

The MSO has no control over these lights, once trailing and in the airflow a turbine spins to provide power to 6 lights per drogue automatically day and night

Question 12

What 6 conditions must be met before hose priming can begin?

Answer 12

Pilot selects TKR MODE

POD(s) or FRU powered on

AAR pumps armed

Hose(s) trailed

Receiver selected

Dispense mode in Auto or Manual

Question 13

What initially moves the hose when trail is selected?

Answer 13

The buffer spring is released and uses its energy to push the drogue into the airflow

Question 14

What controls the rate of trail of hose?

Answer 14

Drag from airflow on hose and basket and opposing torque from the pod motor

Question 15

What controls the Hose Drum Motor?

Answer 15

Motor Control Unit (MCU)

Question 16

In which direction does the Hose Drum Motor deliver torque?

Answer 16

Rewind only delivering opposing drag

Question 17

What prevents rapid movement of hose should electrical power fail?

Answer 17

The brake is applied

Question 18

Approximately how much movement of the hose is required to start fuel flow?

Answer 18

Pushing in 5ft from fully trailed

Question 19

Approximately where is the inner limit of refuelling range set?

Answer 19

25ft from fully trailed

Question 20

What is used to boost delivery pressure to 50 (+/-5) in PODS?

Answer 20

Ram Air Turbine (RAT) driven fuel pump at front of POD.

Question 21

What is used to boost delivery pressure to 50 (+/-5) in FRU?

Answer 21

Green HYD driven fuel pump No 7

Question 22

Where is fuel delivery pressure measured?

Answer 22

At pump outlet (basket) a pressure transducer sends an analogue signal to the Refuelling Control Unit (RCU)

Question 23

In basic terms, how does the RAT control delivery pressure?

Answer 23

The Refuelling Control Unit (RCU) regulates the RAT blade angle, altering the speed and delivering the required fuel pressure/flow

Question 24

In the event of an ABN/EMERG condition what is the MSO responsible for?

Answer 24

Receiver/Tanker flight safety (disconnect)

WCAM procedures

MSO QRH procedures

Question 25

What occurs should receiver maintain in contact between full trail and 5 ft?

Answer 25

After 10 seconds the light will go RED

Question 27

What does a flashing green light indicate?

Answer 27

Hose is in refuelling range but not at full pressure or flow rate

Question 28

What is the minimum flight deck crew oxygen pressure @ 20*C with 3 crew and with 4 crew?

Answer 28

RTS & FCOM 3 Crew - 570 psi 4 Crew - 700 psi MCOM 3 Crew - 700 psi 4 Crew - 910 psi

Question 29

With minimum allowable contents, approximately how long will flight deck crew oxygen last with 4 crew?

Answer 29

15 mins on 100% 105 mins on Normal (mix)

Question 30

When is PM authorised to use OIT keyboard?

Answer 30

On the ground pre-start Push back Once airborne above 1000ft

Question 31

What actions should crews take if inadvertent flight into icing conditions occurs with hoses trailed?

Answer 31

Stop AAR and disconnect receivers Leave hoses trailed Get out of icing conditions Thaw or lose ice before resuming AAR

Question 32

What procedure should be applied should receiver not be visual with Voyager?

Answer 32

Loss of visual (list wingman) procedure Tanker calls Heading, Height, Speed & TACAN Receivers separate (15/15, 30/30, 30/45)

Question 33

Can AAR operations be carried out with u/s tunnel lights?

Answer 33

Yes- 2 lights per hose and 0 required according to RTS

Question 34

What are the wind speed limitations for operating passenger doors?

Answer 34

50 kts if aircraft facing into wind 40 kts if wind is from any other direction

Question 35

With 4000kg in the Trim Tank (TT), when will the fuel move forward automatically?

Answer 35

Centre tank reaches 20T - TT empties to 2.5T Inner tank reaches 20T (10T each side) - TT empties to 1T Inner tank reaches 10T (5T each side) - TT empties to 0T AC descends

Question 36

State the type of weapon systems EWSP is designed to counter?

Answer 36

Infra-red only

Question 37

What additional equipment should be installed on the AC to mitigate the risk to low tech threats?

Answer 37

Personal body armour SLAPS (glasses) for pilots

Question 38

What is the maximum rate of decent for a toboggan with a C139J?

Answer 38

1000 - 1500 ft/min above FL100

Question 39

List the fundamental benefits / losses of Secure Comms and Havequick?

Answer 39

They have separate comms capabilities; Secure Comms - very secure, VHF/UHF/HF available, requires Crypto, not ‘Covert’ Havequick - low cost, low tech, non-crypto, no HF available, not secure

Question 40

How do the MWS detect a SAM?

Answer 40

The MWS sensor passively detects the UV ‘energy-plume spike’ of the launch and short burn phase of an off the rails missile. If then passes this information on to a countermeasure system (LIARCM), its fine track sensor then has a known point to look at to begin tracking.