Term
| The MA-1A can arrest which type of aircraft? |
|
Definition
| Hook-equipped and non-hook equipped |
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|
Term
| The E-5 AAS can arrest what type of aircraft |
|
Definition
|
|
Term
| How much does the MA-1A chain link weigh? |
|
Definition
|
|
Term
How is the MA-1A chain configured?
|
|
Definition
| Single chain the first 90-ft and the remaining, 360-ft, is doubled with two rows |
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|
Term
| How much runout does the MA-1A allow? |
|
Definition
|
|
Term
| What is the energy absorbing capacity of the MA-1A |
|
Definition
| 10-12 million foot pounds |
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|
Term
| What disassembles upon impact of the MA-1A? |
|
Definition
|
|
Term
| What does the AC Power charge in the MA-1A electrical system? |
|
Definition
| Emergecny backup batteries |
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|
Term
| What do the batteries operate in the MA-1A electrical system? |
|
Definition
|
|
Term
What is the MA-1A diameter?
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|
Definition
|
|
Term
| How much air pressure is stored in the MA-1A accumulator? |
|
Definition
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|
Term
| What measurement does the pull lift tension the "SPRING" |
|
Definition
|
|
Term
| The BAK-9 has an energy absorbing capacity of_____ |
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Definition
|
|
Term
| What do AAS manufacturers base energy-absorbing capacity on? |
|
Definition
normal runout on concrete or asphalt
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|
Term
| How much does unstable or sod overruns increase energy absorbing capacity |
|
Definition
|
|
Term
| How much does steel planking reduce the energy absorbing capacity? |
|
Definition
|
|
Term
| What is rewind and operational recycle time of the BAK-9? |
|
Definition
|
|
Term
| What is the energy absorbing capacity of the BAK-9 determined by? |
|
Definition
1. Runout
2. Aircraft weight
3. engaging velocity |
|
|
Term
| What is the ultimate strength of the BAK-9 tape? |
|
Definition
|
|
Term
| What does the BAK-9 hydraulic reservoir serve as? |
|
Definition
storing fluid
supplying system pressure |
|
|
Term
| What is the configuration of the BAK-9 hydraulic reservoir? |
|
Definition
Upper half is equipped with a gravity fluid reservoir that stores the fluid
Lower half is an air-oil accumalator that supplies static pressure to the system |
|
|
Term
| What modulates the fluid pressure on the BAK-9? |
|
Definition
|
|
Term
| What establishes the aircraft weight and range that the reel and shaft assembly can handle? |
|
Definition
|
|
Term
| What do the telltale hydraulic gauge and recording-type tachometer correlate? |
|
Definition
|
|
Term
| What is the BAK-15 designed for? |
|
Definition
|
|
Term
| How quick can the BAK-15 raise the net? |
|
Definition
|
|
Term
| What does each elementary net consist of? |
|
Definition
| single upper horizontal strap and two independent lower horizontal straps |
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|
Term
| What do the 15 elementary nets form? |
|
Definition
| three groups of five elementary nets |
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|
Term
| What allows the arrestment load to be equally distributed among the elementary nets? |
|
Definition
|
|
Term
| What tests the strength of the net? |
|
Definition
|
|
Term
| What determines net height? |
|
Definition
|
|
Term
| What holds the stanchions in place in the uprigth position? |
|
Definition
| over-center locking arm mechanism |
|
|
Term
| What controls the UP and DOWN cycle times of the stanchion mast? |
|
Definition
|
|
Term
| What does the low-pressure oil flow through to slow the movement of the mast to reduce stress on the mechanism? |
|
Definition
|
|
Term
| What are used to ensure the system will operate in the event of a malfunction in one of the valves? |
|
Definition
| dual two-way valves and dual four-way valves |
|
|
Term
| What diameter is the pendant used in a textile system? |
|
Definition
|
|
Term
| What does the pendant tensioning assembly consist of in the TEXTILE system? |
|
Definition
|
|
Term
| What does the TEXTILE brake assembly consist of? |
|
Definition
Two shear link units
Each unit consist of two breakable shunts and a tear strap |
|
|
Term
| How many units are there in a unidirectional setup? |
|
Definition
|
|
Term
| What does a Textile unidirectional setup consist of? |
|
Definition
two braking stages
each braking stage unit has nine braking modules |
|
|
Term
| What does a Textile bidirectional setup consist of? |
|
Definition
| One braking stage with 10 braking modules on each side |
|
|
Term
| At what force do the shear links break? |
|
Definition
|
|
Term
| How many support blocks does the BAK-14 contain? |
|
Definition
|
|
Term
| How does the BAK-14 pendant operate? |
|
Definition
Retracts into trough by pneumatics
Raised by torsion springs |
|
|
Term
| What minimizes shock from oscillation of the support arm caused by wheel rollover? |
|
Definition
|
|
Term
| What power the pneumatic system of the BAK-14? |
|
Definition
|
|
Term
| What component indicates whether the arm is up or down and monitor the raise/retract function? |
|
Definition
| Mercury-type limit switches |
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|
Term
| What purposes do the heaters serve? |
|
Definition
1. Keep air in the pneumatic tube and the operating system from freezing moisture
2. Keep the trough sections and drains free from ice |
|
|
Term
| What are the different type of heaters? |
|
Definition
| Box, end-trough, trough, and cross runway drain heaters |
|
|
Term
| Where are the box heaters located? |
|
Definition
| In the support boxes and surround the air cylinder |
|
|
Term
| What do the trough heaters do? |
|
Definition
| Each heater takes care of one trough section between the support boxes |
|
|
Term
| How are end-trough heaters setup? |
|
Definition
Paired for the 150 and 200-ft runways
For 300 ft runways, three sets of heaters are used |
|
|
Term
| What does the TYPE-H support system include? |
|
Definition
8 precast concrete blocks w/o recess
&
14 concrete blocks w/ recess |
|
|
Term
| What does the motor operate? |
|
Definition
| Drive the hydraulic fluid to the jack |
|
|
Term
| What does the motor direction determine? |
|
Definition
|
|
Term
| What different configurations are there for the TYPE-H? |
|
Definition
14 blocks for 150-ft wide runways
18 blocks for 150 to 300-ft wide runways |
|
|
Term
| What is the maximum engaging speed of the Type-H? |
|
Definition
|
|
Term
| What is the operating temp range? |
|
Definition
| -40 degrees F to 158 degrees F |
|
|
Term
| How quickly does the pendant raise/retract in the Type-H setup? |
|
Definition
|
|
Term
| What causes the support arms to follow the wedge in the up direction? |
|
Definition
| The jacks right movement which moves the ramps to the left |
|
|
Term
| In manual operation, how quickly can someone raise/retract the Type-H syst? |
|
Definition
|
|
Term
| What size pendant does the BAK-12 use? |
|
Definition
|
|
Term
| What is the recylce capability? |
|
Definition
|
|
Term
| Bak-12 enery absorbing capacity and how it is determined? |
|
Definition
65,000,000 foot-pounds
aircraft weight, runout, and maximum engaging velocity |
|
|
Term
| What does the output shaft of the fluid coupling attach to? |
|
Definition
| The input shaft of a 15-1 gear reducer |
|
|
Term
| What does the rewind system pretension the tape to? |
|
Definition
|
|
Term
| What does the telltale tachometer record? |
|
Definition
|
|
Term
| What drives the BAK-12 tachometer? |
|
Definition
|
|
Term
| What can be correlated by the tachometer RPM? |
|
Definition
| aircraft engaging velocity w/in 5% |
|
|
Term
| What is the hydraulic pressure gauge connected to to indicate aircraft engaging speed? |
|
Definition
|
|
Term
| What does reel motion drive? |
|
Definition
Two sprocket assemblies:
1. drives the main hydraulic pump
2. control valve cam through a gear reducer |
|
|
Term
| The BAK-12 hydraulic system contains how much fluid? |
|
Definition
|
|
Term
| What are the three hydraulic subsystems? |
|
Definition
1. main/braking system
2. static system
3. rewind clutch system |
|
|
Term
| How do we charge the BAK-12 system to maintain a static pressure of 175 psi? |
|
Definition
| compressed air is acceptable but dry nitrogen is preferred |
|
|
Term
| How is the BAK-12 cam for the control valve which is chain driven control? |
|
Definition
| Through a 100-to-1 gear reducer |
|
|
Term
| What is the rating on the BAK-12 relief valve? |
|
Definition
| 2,700 psi for a 1200-ft runout |
|
|
Term
| What are the two arrangements for adjusting the hydraulic braking system? |
|
Definition
1. An adjustable linkage for changing the orifice of the control valve
2. A second orifice downstream from the controlled orifice in the cam control valve |
|
|
Term
| In the BAK-12 purchase tape what is the primary loading bearing members? |
|
Definition
| Longitudinal nylon fibers |
|
|
Term
| What is the BAK-12 ultimate tape strength? |
|
Definition
|
|
Term
| What is the weight of the tire casing that protects the BAK-12 tape connector? |
|
Definition
| must not weigh more than 20 pounds |
|
|
Term
| When is the BAK-12 selector valve used? |
|
Definition
| when we must replenish the fluid supply in the pump or do work on the clutch hydraulic system |
|
|
Term
| What is the construction features of the BAK-12 pendant? |
|
Definition
| 1 or 1.25-inch diameter wire rope of 18 by 7 strand |
|
|
Term
| What must be done if the arresting engine does not bolt to the fairlead beam? |
|
Definition
|
|
Term
| In the BAK-12 expeditionary configuration, what is the energy absorbing capacity and runout? |
|
Definition
65,000,000 foot-pounds
&
950 feet |
|
|
Term
| How deep do you bury the BAK-12 earth anchor? |
|
Definition
|
|
Term
When must the BAK-12 pendant be replaced? |
|
Definition
- 5 or more broken wire in any one rope lay
- 9 or more broken wires throught the pendant
- 30 or more flat spots of 0.5-inch or longer in one rope lay
- every 36 months
|
|
|
Term
| When checking the cam, how must the tapes be positioned? |
|
Definition
| fully retracted and the pendant tensioned in the battery position |
|
|
Term
| What grade oil do you lubricate drive chains with? |
|
Definition
| graded 10 oil or commercial chain lubricant |
|
|
Term
| At what interval, do you perform end-for-ends on the tapes? |
|
Definition
| 24 months or half the tape life |
|
|
Term
| On BAK-12 B-52 brakes, when do you SCHEDULE brake replacement? |
|
Definition
| normal wear increases to 1/2-inch |
|
|
Term
| On BAK-12 B-52 brakes, when is brake replacement MANDATORY? |
|
Definition
|
|
Term
| On BAK-12 Bliss brakes, when is brake replacement SCHEDULED? |
|
Definition
|
|
Term
| On BAK-12 Bliss brakes, when is brake replacement MANDATORY? |
|
Definition
|
|
Term
| What grade oil is used to lubricate the fluid coupling? |
|
Definition
|
|
Term
| When checking the side plate clearance, what is the maximum combined clearance? |
|
Definition
|
|
Term
| What is done during the BAK-12 functional test and every third month? |
|
Definition
Pulling the tape to expose the tape in the fairlead tube
&
the tape should be pulled out 800-ft |
|
|
Term
| When must synchronization be performed? |
|
Definition
| after installation, every 90 days, and after the replacement of a hydraulic component |
|
|
Term
| What determines the speed of the pump and the pressure during synchronization? |
|
Definition
| Runout length and the runway width |
|
|
Term
| How much time must both systems be synched in? |
|
Definition
|
|
Term
| What temperature range must it be when synching? |
|
Definition
|
|
Term
| When synchronizing the Wisonsin engine, what must the valve cam clearance measurement be? |
|
Definition
|
|
Term
| When synchronizing, what must the cam be set as and what positon must the needle valve be? |
|
Definition
Cam = 60-degrees
Needle valve = 5.0 |
|
|
Term
| When synchronizing, what RPM must the hydraulic pump be set as? |
|
Definition
|
|
Term
| Within how much time must the needle valve be adjusted to obtain the proper brake pressure and avoid excessive temperature increase? |
|
Definition
|
|
Term
| What is the purpose of proof-testing? |
|
Definition
| ensures that all the hydraulic lines and connections are leak proof and correctly assembled |
|
|
Term
| When is tape cropping accomplished and why is it performed? |
|
Definition
every 6 months
&
nylon is sensitive to sunlight and loses strength |
|
|
Term
| After how many arrestments is the tape replaced? |
|
Definition
|
|
Term
| How tape counts is a REGIME II? |
|
Definition
|
|
Term
| How tape counts is a REGIME III? |
|
Definition
|
|
Term
| How many tape counts is a REGIME IV? |
|
Definition
| Requires IMMEDIATE replacement |
|
|
Term
| How counts does a monthly pullout? |
|
Definition
| 1/2 of a REGIME I arrestment |
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|
