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egress cdc vol. 4 ure's
URE questions with answers in flashcard format.
72
Other
Professional
09/08/2011

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Term
The capacitors used in the ACESII seat are charged by
Definition
Two gas fired batteries and they hold an electrical charge until altitude parameters are achieved and then fire two other batteries electrically.
Term
the sequence start switch is used to activate the ACESII recovery sequencer timing circuits when the seat
Definition
moves up the rails and the striker closes the switch
Term
The gyroscope in the ACES II seat uses a pulley system to adjust the angle of the vernier
rocket as needed to
Definition
correct seat pitch and maintain the crewmember’s trajectory
Term
The two delayed reefing line cutters used on the ACES II seat are activated by
Definition
lanyards attached to the inner tube of the mortar.
Term
To prevent inadvertent actuation of the ejection initiator on an ACES II ejection seat, the
ejection control safety lever must be in the
Definition
up and forward position
Term
When must an ACES II seat be grounded?
Definition
Any time it is removed from the aircraft
Term
Which is an approved ACES II seat grounding procedure?
Definition
Seats are grounded at the interdictor striker or the restraint release bell crank
Term
Why is it important you always attach one end of the grounding clamp to the ACES II seat
before attaching the other end to the egress shop ground?
Definition
If arcing occurs, it will happen at the shop ground and away from the seat.
Term
Why is it important not to use cotton or paper waste materials to remove dirt and grease
when cleaning an ACES II seat?
Definition
To prevent possible residue.
Term
When you find the torque stripe on an ACES II gas hose fitting is not aligned, the corrective
action is to
Definition
remove the torque stripe, loosen the fitting, inspect for internal obstructions, retighten to the
proper torque value and paint a new torque stripe.
Term
Which statement indicates that an ACES II recovery parachute pack requires a more
detailed inspection by a parachute specialist?
Definition
Stain having a vinegar-like or foreign odor.
Term
During a rotation check on the initiator firing mechanism for an ACES II seat, if the force
required to rotate the firing control handle is below limits, how should the problem be corrected?
Definition
Tighten the bolt in the grip assembly pivot attachment, within torque limits.
Term
During an ACES II friction check, how do you increase the amount of force needed to
rotate the initiator firing pulley bell crank overcenter?
Definition
Compress the spring on the ejection control guide and move the lock-ring to a groove closer to
the spring.
Term
The F–15 canopy is opened by
Definition
depressing the release button to engage the control handle and turning the handle clockwise to
the UP position.
Term
The canopy locking actuator on the F–15 aircraft is hydraulically locked in the fully
extended position by the
Definition
spring loaded sequence valve that is allowed to close as the canopy raises.
Term
Any time the F–15 canopy is raised, what must be installed?
Definition
The ground safety lock.
Term
When closing the canopy of an F–15 aircraft, how long should you wait before you move
the canopy control handle to the LOCK position?
Definition
10 seconds
Term
To manually open an F–15 canopy, you must move the control handle to the UP position,
which then
Definition
releases the liquid lock on the canopy actuator.
Term
The external canopy jettison handle on the F–15 aircraft is located
Definition
behind door 9.
Term
Which is an accurate statement regarding an F–15 canopy jettison sequence that is begun
from inside the cockpit?
Definition
The handle under the left sill fires the internal initiator starting the event.
Term
The purpose of the raising adapter on the F–15 canopy is to
Definition
hold the canopy open, and to provide an attachment point for the crane.
Term
Failure to secure the canopy actuator to the F–15 aircraft structure prior to disconnecting the
actuator from the canopy will cause damage to the
Definition
titanium lines.
Term
In order to gain access to the pyrotechnic module #3 on an F–15 aircraft, you must first
reposition the
Definition
rocket catapult.
Term
After you have repositioned the catapult on an F–15 aircraft, to gain access to the
pyrotechnic module #3 you must first
Definition
remove the module cover.
Term
To save time and frustration when reinstalling a pyrotechnic module on an F–15 aircraft,
prior to installation, it would be helpful to
Definition
insert lockwire into mating components.
Term
If contamination is discovered in a component during a pre-installation inspection on an F–
15 pyrotechnic module, and it cannot be dislodged by turning the panel over and shaking it, you
would
Definition
replace the component.
Term
When installing an shielded mild detonating cord (SMDC) in an F–15 aircraft, if a torque
wrench will not fit into the physical location of the SMDC you should accomplish a
Definition
gap check using a thickness gauge.
Term
When you reinstall a pyrotechnic module on an F–15 aircraft, before you connect the hoses
to the components, you would disconnect the hoses and
Definition
flow check them.
Term
Once it has fired, the rocket catapult shielded mild detonating cord (SMDC) initiator on the
F–15 emergency escape sequencing system will
Definition
change from SMDC detonation to gas pressure.
Term
During operation of the F–15 emergency escape sequencing system, the gas pressure at the
ejection seat gas – shielded mild detonating cord (SMDC) initiator changes
Definition
to SMDC detonation.
Term
In the F–15 emergency escape sequencing system, a mode 2 ejection occurs at speeds
Definition
in excess of 250 knots and altitudes below 15,000 feet.
Term
Electrical operation of the canopy on the F–16 aircraft requires
Definition
twenty-eight volts direct current.
Term
External electrical operation of the canopy on the F–16 aircraft is activated by a
Definition
toggle switch that is spring-loaded off from both the up and down positions.
Term
Which statement best describes the sequence of events that occur once the canopy on an F–
16 aircraft engages the aircraft sill?
Definition
The locking pawl will disengage from the locking cam allowing rotation of the latching system.
Term
How many canopy jettison control handles is the F–16 aircraft is equipped with?
Definition
Three.
Term
It is important that you ensure the hoist is positioned along the centerline of the F–16’s
canopy during removal to
Definition
prevent binding or misalignment.
Term
Why is it necessary to observe the 30 minute power-on operating time, and how long is the
cool-down period required on the F–16?
Definition
Prevent damage to the aircraft’s electronic equipment; 15 minutes.
Term
When inspecting a detonation transfer assembly, in addition to ensuring there is no damage
to the threads, what else would you do?
Definition
Check the threads and seal for a light coating of grease.
Term
What prevents the F–16’s seats from ejecting when a canopy jettison handle is pulled and
only a canopy jettison is required?
Definition
M99s move the sequence valves’ spools to the opposite end of their valve bodies, blocking gas
flow
Term
In order to allow either crewmember to eject both ejection seats, which position must the
eject mode selector valve be in on the F–16 aircraft?
Definition
NORMAL.
Term
On an F–16D ACES II ejection seat, which initiator fires the inertial reel gas generator?
Definition
The right hand JAU–8/A25 initiator.
Term
How many recovery sequence modes does the F–16 ejection seat have and what does
selection of a particular mode depend on?
Definition
Three modes which depend upon the altitude and airspeed at the time of ejection.
Term
The general parameters for a mode 2 ejection from an F–16 aircraft are
Definition
low altitude/high speed.
Term
On the A–10 aircraft, the M4 canopy remover is a three-tube, telescoping explosive with
what type of firing head operation?
Definition
Gas-pressure.
Term
Where is the M53 booster initiator located on the A–10 aircraft?
Definition
Aft cockpit bulkhead.
Term
The cockpit canopy jettison M99 initiator on the A–10 aircraft is
Definition
mechanically-fired, cartridge-activated
Term
Where does the gas pressure come from that is diverted by the three-way check valve to fire
the M53 booster initiator on the A–10 aircraft?
Definition
Ejection sequence initiator, internal canopy jettison initiator, or either of the external canopy
jettison initiators.
Term
The canopy can be jettisoned from the A–10 aircraft, without seat ejection by
Definition
firing one of the three M99 initiators.
Term
When fired, the left or right external canopy jettison initiators on the A–10 will apply output
gas pressure through the
Definition
two-way check valve, to the three-way check valve, and then to the M53 booster initiator
Term
What components make up the F–22 sequencing system?
Definition
Interlocks, emergency escape sequencing assembly, and signal transmission lines
Term
The F–22 sequencing system components that provide the mechanical/electrical way to
ensure that one event (such as canopy jettison) has occurred prior to the next event being initiated
are the
Definition
interlocks.
Term
On the F–22, the canopy thruster extension separates into two segments and disconnects the
canopy from the actuator after a thruster extension of
Definition
2.0 inches.
Term
Which canopy system component provides the rotational force needed to lift the canopy off
the F–22 aircraft?
Definition
Rocket motor.
Term
During jettison of the F–22 canopy, the initial aft movement of the canopy is accomplished
by the
Definition
thruster.
Term
If an F–22 aircraft is on the ground, and its canopy has been jettisoned under static
conditions, approximately how far behind the aircraft can you expect the canopy to travel?
Definition
120 feet.
Term
The canopy unlatch thrusters on the F–117A are activated
Definition
by gas pressure from any one of three individual pin-fired initiators within the canopy jettison
system.
Term
The F–117A canopy jettison manifold directs gas pressure to the
Definition
right unlatch thruster, the canopy wire cutter, and the canopy seal hose cutter.
Term
After the canopy has jettisoned from an F–117A aircraft, how does the crew member need
to turn the canopy-seat internal jettison handle in order to allow the internal seat initiator to ignite
and activate the seat ejection system?
Definition
90-degrees counterclockwise and pull it further upward.
Term
What is the number and location of canopy gas-fired initiators used in the canopy jettison
system on the F–117A aircraft?
Definition
Two, between the thrusters and removers on the left and right sides.
Term
How many ways can the pilot initiate the automatic bailout sequence on the F117A
Aircraft?
Definition
Two, using the console-mounted internal canopy-seat jettison handle, or either (or both)
ejection seat side-mounted ejection control handles
Term
The purpose of the 0.4-second delay in the F–117A bail-out system is to allow time for
Definition
canopy jettison prior to thruster extension.
Term
On the F–117A aircraft, the ballistic pressure from the right hand ejection initiator is used to
fire the
Definition
secondary 0.4-second delay initiator and the canopy gas-fired initiator.
Term
The left and right canopy gas-fired initiators on the F–117A aircraft act as
Definition
boosters to ensure there is an acceptable level of ballistic pressure in the system to fire the left
and right canopy removers
Term
When the 1.0-second delay initiator on the T–38 ignites, it
Definition
disconnects the lapbelt buckle and actuates the seat-man separator.
Term
What is used on the T–38 to counterbalance the weight of each of the canopies throughout
their travel limits?
Definition
Balance spring assemblies.
Term
Which handle(s) would be used to jettison both canopies on a T–38?
Definition
Either D-handle.
Term
If each crew member needed to jettison both canopies on a T–38 aircraft while in flight,
they would pull
Definition
both T-handles
Term
To actuate the canopy locking mechanism on a T–38 aircraft, you would use
Definition
four canopy control handles
Term
What restricts rapid movement of the canopy and prevents excessive loads against the
torque arms and drive mechanism during canopy operation on the T–38?
Definition
Canopy damper.
Term
On the U–2 aircraft, the gas pressure from the 0.3-second delay initiator goes through the
bypass valve to the
Definition
drogue gun, shoulder harness reel, rocket catapult, and 1.0-second delay initiator
Term
On the U–2 system, the gas pressure from the second 1.0-second delay initiator goes to the
Definition
lower bridle line cutters and the 10.0-second delay cutters
Term
After a U–2 pilot ejects from the aircraft, if the pilot remains in the seat and falls to an
altitude of 15,000 (±1000) feet, what component(s) will fire and force gas pressure to the lap belt
unlatching mechanism, torque tube thruster, and an initiator?
Definition
Aneroid initiators.
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