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Volume 4 - Aircraft Arresting Systems Flashcards

Arresting Systems

1
Q

What effect does burying the arresting chain have on the performance of the E-5 barrier?

Lesson 1 E5 Components

A

No effect.

M4L1T1 - E-5 Components, Theory of Operation, and Configuration (STS 18.1.1 & 18.1.2)

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2
Q

Why does the E-5 barrier require the use of pretensioning springs?

Lesson 1 E5 Components

A

To allow aircraft to cross the pendant cable without shearing the pins.

M4L1T1 - E-5 Components, Theory of Operation, and Configuration (STS 18.1.1 & 18.1.2)

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3
Q

When can additional shots, weights or both be added to the standard configuration of an E-5 barrier?

Lesson 1 E5 Components

A

If the aircraft weighs over 20,000 pounds.

M4L1T1 - E-5 Components, Theory of Operation, and Configuration (STS 18.1.1 & 18.1.2)

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4
Q

Why is the E-5 barrier only used in the over run?

Lesson 1 E5 Components

A

Due to the extensive amount of time it takes to reset the barrier.

M4L1T1 - E-5 Components, Theory of Operation, and Configuration (STS 18.1.1 & 18.1.2)

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5
Q

Which statement below provides one of the reasons for the installation of a BAK-14?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

To avoid damage to the cable from heavy aircraft.

M4L2T1 - BAK-14 Aircraft Arresting System - Components, Theory of Operation & Configuration (18.2.1)

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6
Q

What purpose does the support box heater element serve on the BAK-14?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

To keep the air cylinder and other mechanical parts from freezing.

M4L2T1 - BAK-14 Aircraft Arresting System - Components, Theory of Operation & Configuration (18.2.1)

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7
Q

When do the compression springs push on the toggle links?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

When the air pressure is removed from the air cylinder.

M4L2T1 - BAK-14 Aircraft Arresting System - Components, Theory of Operation & Configuration (18.2.1)

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8
Q

For which configuration of the BAK-14 would 20 support boxes be installed?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

Runways with a width of 200’ or 300’

M4L2T1 - BAK-14 Aircraft Arresting System - Components, Theory of Operation & Configuration (18.2.1)

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9
Q

Which of these will be accomplished on the daily inspection?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

Verify the system air pressure.

M4L2T2 - BAK-14 Maintenance and Inspections (18.2.2)

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10
Q

At what inspection interval should the air filter and silencer be cleaned?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

Semi-annually

M4L2T2 - BAK-14 Maintenance and Inspections (18.2.2)

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11
Q

When should the guide rods be lubricated?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

Monthly

M4L2T2 - BAK-14 Maintenance and Inspections (18.2.2)

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12
Q

When should the trough assemblies, hand hole and pull box be inspected?

Lesson 2 Barrier Arresting Kit (BAK) 14

A

Daily

M4L2T2 - BAK-14 Maintenance and Inspections (18.2.2)

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13
Q

For what purpose does the test strap assembly get removed periodically?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Strength testing

M4L3T1 - BAK-15 Components, Theory of Operation and Configuration (18.3.1 & 18.3.2)

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14
Q

Which component gets installed when tail hook equipped aircraft utilize the airfield?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Net Interconnect

M4L3T1 - BAK-15 Components, Theory of Operation and Configuration (18.3.1 & 18.3.2)

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15
Q

Why is the BAK-15 considered an emergency barrier and only installed in the overrun?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Due to long reset times and high cost of component replacement.

M4L3T1 - BAK-15 Components, Theory of Operation and Configuration (18.3.1 & 18.3.2)

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16
Q

Which of the following is the proper configuration for the tail hook equipped aircraft?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Net, Stanchion, Energy Absorber, Pendant Cable, Interconnect and Pretension Assembly

M4L3T1 - BAK-15 Components, Theory of Operation and Configuration (18.3.1 & 18.3.2)

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17
Q

What assembly is checked for centerline, elevation, and alignment during a daily inspection?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Net Assembly

M4L3T2 - Maintenance and Inspection Requirements of the BAK-15 (18.3.3)

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18
Q

Why do you verify the SAFE/ARM switch is in the ARM position during a daily inspection?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

To ensure the Tower can raise the stanchion system as required.

M4L3T2 - Maintenance and Inspection Requirements of the BAK-15 (18.3.3)

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19
Q

Why should care be taken around pressurized hydraulic systems of cables under tension?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Because severe injury to body can occur.

M4L3T2 - Maintenance and Inspection Requirements of the BAK-15 (18.3.3)

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20
Q

During the monthly inspection, the stanchion hydraulic components are inspected for?

Lesson 3 Barrier Arresting Kit (BAK) 15

A

Leaks

M4L3T2 - Maintenance and Inspection Requirements of the BAK-15 (18.3.3)

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21
Q

What component separates the tensioning assembly from the braking assembly during arrestment?

Lesson 4 Textile Brake

A

Shear Link

M4L4T1 - Textile Brake Components, Theory of Operations, & Configuration 18.4.1 & 18.4.2)

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22
Q

The Textile Brake arresting system uses a _____ inch pendant cable.

Lesson 4 Textile Brake

A

1.25 inch

M4L4T1 - Textile Brake Components, Theory of Operations, & Configuration 18.4.1 & 18.4.2)

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23
Q

How many brake modules are used for each stage when configured for uni-directional?

Lesson 4 Textile Brake

A

9

M4L4T1 - Textile Brake Components, Theory of Operations, & Configuration 18.4.1 & 18.4.2)

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24
Q

What happens if the aircraft exceeds the capacity of stage 1 of a textile brake system?

Lesson 4 Textile Brake

A

Stage 2 will engage absorbing the kinetic energy.

M4L4T1 - Textile Brake Components, Theory of Operations, & Configuration 18.4.1 & 18.4.2)

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25
Q

When support discs are properly spaced, what should the effective pendant height be?

Lesson 4 Textile Brake

A

2-1/2 inches above the runway surface

M4L4T2 - Textile Brake Maintenance & Inspection Requirements (18.4.3)

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26
Q

If obstacles in the area are swept by the straps, what could occur?

Lesson 4 Textile Brake

A

Prohibit proper kinetic energy absorption.

M4L4T2 - Textile Brake Maintenance & Inspection Requirements (18.4.3)

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27
Q

How must the yokes be positioned when ensuring proper pendant tension?

Lesson 4 Textile Brake

A

Equal distances from the runway centerline

M4L4T2 - Textile Brake Maintenance & Inspection Requirements (18.4.3)

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28
Q

Which inspection item will be performed on an annual basis?

Lesson 4 Textile Brake

A

Verify the torque of the anchor bolts.

M4L4T2 - Textile Brake Maintenance & Inspection Requirements (18.4.3)

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29
Q

What is the main function of the electric motor on the Type-H cable support system?

Lesson 5 Type-H

A

Drive the hydraulic drive unit to push or pull the mechanical transmission assembly.

M4L5T1 - Type-H Components and Theory of Operation (18.5.1)

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30
Q

What signals the system is fully raised or retracted and causes the electric motor to be de-energized?

Lesson 5 Type-H

A

Limit switches

M4L5T1 - Type-H Components and Theory of Operation (18.5.1)

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31
Q

In order to raise the ramps on the Type-H system, what rotates in the opposite direction?

Lesson 5 Type-H

A

Electric motor

M4L5T1 - Type-H Components and Theory of Operation (18.5.1)

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32
Q

In the event of a power failure, the ability to raise and lower the pendant cable is achieved by?

Lesson 5 Type-H

A

Manual hand pump

M4L5T1 - Type-H Components and Theory of Operation (18.5.1)

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33
Q

The Type-H cable support system can be adapted to use which size pendant cable?

Lesson 5 Type-H

A

1-inch

M4L5T2 - Type-H Support System Configuration (18.5.2)

34
Q

How many support blocks are in the standard configuration of the Type-H?

Lesson 5 Type-H

A

14

M4L5T2 - Type-H Support System Configuration (18.5.2)

35
Q

Why can the Type-H be configured with any cable energy absorber?

Lesson 5 Type-H

A

Because its purpose is to solely raise or lower the pendant cable.

M4L5T2 - Type-H Support System Configuration (18.5.2)

36
Q

Which is an optional runway spacing configuration of the Type-H?

Lesson 5 Type-H

A

150-300 ft

M4L5T2 - Type-H Support System Configuration (18.5.2)

37
Q

When performing a daily inspection requirement, a technician would?

Lesson 5 Type-H

A

Check the condition of the suppor blocks.

M4L5T3 - Type-H Maintenance and Inspections (18.5.3)

38
Q

When the Type-H reaches 10 years in service, which of the following maintenance actions is a requirement?

Lesson 5 Type-H

A

Complete overhaul of the system.

M4L5T3 - Type-H Maintenance and Inspections (18.5.3)

39
Q

During which maintenance interval is the transmission loop tension checked?

Lesson 5 Type-H

A

Monthly

M4L5T3 - Type-H Maintenance and Inspections (18.5.3)

40
Q

When checking the hydraulic fluid in a monthly inspection, a drop of _____ with respect to maximum highest level indicates an external leak.

Lesson 5 Type-H

A

3/8 inch

M4L5T3 - Type-H Maintenance and Inspections (18.5.3)

41
Q

What effect does the cam control valve have on the brakes during arrestment of an aircraft?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Restricts hydraulic fluid flow increasing pressure.

M4L6T1 - BAK-12 Components and Theory of Operation (18.6.1)

42
Q

What happens when the shuttle valve is placed in the ON position?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Applies static pressure on the brakes.

M4L6T1 - BAK-12 Components and Theory of Operation (18.6.1)

43
Q

If hydraulic fluid pressure increases inside the shuttle valve, which of the following will occur?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

The valve moves to the OFF position.

M4L6T1 - BAK-12 Components and Theory of Operation (18.6.1)

44
Q

If hydraulic system pressure exceeds the safe maximum valve during an arrestment, what will occur?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

The pressure relief valve opens, relieving excess pressure.

M4L6T1 - BAK-12 Components and Theory of Operation (18.6.1)

45
Q

The purpose of the tape deflector sheaves in a permanent install in to?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

To bring the purchase tape to the higher level of the fairlead tube.

M4L6T2 - BAK-12 Configuration (18.6.2)

46
Q

In an expeditionary install, the energy absorber and fairlead beam are anchored to a(n)?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Deadman assembled on site.

M4L6T2 - BAK-12 Configuration (18.6.2)

47
Q

If the installation of the BAK-12 is going to last over a year, then?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

The energy absorber can use either permanent or semi-permanent.

M4L6T2 - BAK-12 Configuration (18.6.2)

48
Q

When determining configuration of the BAK-12, which of the following factors is taken into consideration?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Aircraft types

M4L6T2 - BAK-12 Configuration (18.6.2)

49
Q

When performing a daily inspection, what check must be completed?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Inspect cam for proper index setting.

M4L6T3 - BAK-12 Maintenance and Inspection Requirements (18.6.3)

50
Q

During a weekly inspection, what should the tape connector be inspected for?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Correct reeving and security of hardware

M4L6T3 - BAK-12 Maintenance and Inspection Requirements (18.6.3)

51
Q

What is required when a BAK-12 reaches its 10-year mark?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Complete overhaul

M4L6T3 - BAK-12 Maintenance and Inspection Requirements (18.6.3)

52
Q

After an arrestment, what must the tape be inspected for?

Lesson 6 Barrier Arresting Kit (BAK) 12

A

Correct twist inside fairlead tube assembly.

M4L6T3 - BAK-12 Maintenance and Inspection Requirements (18.6.3)

53
Q

The use of a 66-inch purchase tape storage reel on the MAAS allows for what capacity?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Enables a 990-foot runout.

M4L7T1 - Mobile Aircraft Arresting Systems (19.2.1)

54
Q

Why does a MAAS set come with a 90-foot and 153-foot pendant cable?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

To support different runway widths.

M4L7T1 - Mobile Aircraft Arresting Systems (19.2.1)

55
Q

In the event of an accidental vehicle separation, what MAAS component activates the hydraulic braking system?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Emergency brake system

M4L7T1 - Mobile Aircraft Arresting Systems (19.2.1)

56
Q

What allows the use of a wide-bodied aircraft on runways with a MAAS installed?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Setback kits and additional equipment.

M4L7T1 - Mobile Aircraft Arresting Systems (19.2.1)

57
Q

During site planning for the MAAS, if the soil falls below a 7 CBR value, what else is planned?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

The installation of a Deadman.

M4L7T2 - MAAS Installation Planning (19.2.2)

58
Q

If the plan is to install the MAAS on prepared foundations, then it must meet the standards of which organization?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

American Society for Testing and Materials.

M4L7T2 - MAAS Installation Planning (19.2.2)

59
Q

During installation planning for the MAAS, the site should permit usable portion of the runway in the event of a(n)?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Emergency

M4L7T2 - MAAS Installation Planning (19.2.2)

60
Q

During site planning for the MAAS, what dictates site location?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Operational need.

M4L7T2 - MAAS Installation Planning (19.2.2)

61
Q

Which MAAS uni-directional installation requires the removal of a tire?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Concrete

M4L7T3 - MAAS Uni-Directional & Bi-Directional Installation (19.2.3 & 19.2.5)

62
Q

In order to install the MAAS bi-directionally on concrete, install three anchor plates and?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Remove two tires - one from each MAAS.

M4L7T3 - MAAS Uni-Directional & Bi-Directional Installation (19.2.3 & 19.2.5)

63
Q

During the soil uni-directional installation of the MAAS, how is the position of the trailer determined?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Cable length = 15

M4L7T3 - MAAS Uni-Directional & Bi-Directional Installation (19.2.3 & 19.2.5)

64
Q

When installing the earth anchor stakes which degree must be maintained for uni-directional installation?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

15 degrees

M4L7T3 - MAAS Uni-Directional & Bi-Directional Installation (19.2.3 & 19.2.5)

65
Q

During monthly inspection of the MAAS, for what reason are the sheaves inspected for freedom of rotation?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Because friction will cause damage to the tapes.

M4L7T4 - MAAS Periodic Inspections and Preventative Maintenance Requirements (19.2.11)

66
Q

During the daily inspection, the drive chains are inspected for?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Cleanliness and lubrication

M4L7T4 - MAAS Periodic Inspections and Preventative Maintenance Requirements (19.2.11)

67
Q

Why inspect the cam for proper 15 degree setting during the daily inspection of the MAAS?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

Improperly set cam may not stop the aircraft in time.

M4L7T4 - MAAS Periodic Inspections and Preventative Maintenance Requirements (19.2.11)

68
Q

When performing preventative maintenance on the MAAs, the tape gets cropped every?

Lesson 7 Mobile Aircraft Arresting System (MAAS)

A

6 months

M4L7T4 - MAAS Periodic Inspections and Preventative Maintenance Requirements (19.2.11)

69
Q

The centerline of the lightweight fairlead beam sheaves should project at least 1 foot above the runway because?

Lesson 8 Lightweight Fairlead Beam (LWFB)

A

The runway surface will interfere with the tape path.

M4L8T1 - Lightweight Fairlead Beam Installation Requirements (19.3.1)

70
Q

The acceptable California Bearing Ratio for the installing the lightweight fairlead beam is?

Lesson 8 Lightweight Fairlead Beam (LWFB)

A

7

M4L8T1 - Lightweight Fairlead Beam Installation Requirements (19.3.1)

71
Q

Why can the ground slope not exceed 8% when installing the lightweight fairlead beam?

Lesson 8 Lightweight Fairlead Beam (LWFB)

A

Because the tape guides will wear out prematurely, because tape tracking problems with the sheaves will occur.

M4L8T1 - Lightweight Fairlead Beam Installation Requirements (19.3.1)

72
Q

The installation site for the lightweight fairlead beam should be relatively flat and extended even on both sides to?

Lesson 8 Lightweight Fairlead Beam (LWFB)

A

Keep grading to a minimum.

M4L8T1 - Lightweight Fairlead Beam Installation Requirements (19.3.1)

73
Q

When performing an on-runway installation a minimum of _____ feet

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

500

M4L9T1 - Mobile Runway Edge Sheave [MRES] Installation Requirements (19.4.1)

74
Q

The slope of the ground should not exceed _____ percent between the MAAS and the MRES during site selection.

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

8

M4L9T1 - Mobile Runway Edge Sheave [MRES] Installation Requirements (19.4.1)

75
Q

Why must tape stack height be taken into account when selecting a site for the MRES?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

Because insufficient runout could be a possible danger to the aircraft.

M4L9T1 - Mobile Runway Edge Sheave [MRES] Installation Requirements (19.4.1)

76
Q

Why must the centerline of the runway sheaves project above the surface of the runway?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

To protect the tapes from damage during arrestment.

M4L9T1 - Mobile Runway Edge Sheave [MRES] Installation Requirements (19.4.1)

77
Q

During a daily MRES inspection, the front and rear sheave weldments will be checked for?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

Burrs and sharp edges

M4L9T2- MRES Periodic Inspections (19.4.4)

78
Q

During a monthly MRES inspection, what should the brake lines and fittings be inspected for?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

Leaks

M4L9T2- MRES Periodic Inspections (19.4.4)

79
Q

When the MRES is in storage, which of the following periodic inspections is performed?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

Semi-Annual

M4L9T2- MRES Periodic Inspections (19.4.4)

80
Q

How often are the wheel bearings lubricated on the MRES?

Lesson 9 Mobile Runway Edge Sheave (MRES)

A

Every 365 Days

M4L9T2- MRES Periodic Inspections (19.4.4)

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