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48 Cards in this Set
- Front
- Back
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The MK-GRUEA-7 seat provides crewmemberswith completely automatic escape at ground level at what minimum knots?
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80 knots.
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How many Martin baker MK-GRUEA-7 seats are in the EA-6B?
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Four.
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What component provides an automatic backup mode of seperating the parachute from the crewmember?
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SEAWARS.
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What difference, if any do the MK-GRUEA-7 ejection seats have from each other?
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Time delay firing mechanisms.
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What type of aircraft uses the MK-GRUEA-7?
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EA-6B.
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Which of the seats ejects first during ejection on the EA-6B?
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ECMO #3.
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What color is the murphy proof bracket for the ECMO #2 seat in EA-6B?
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Orange.
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Who is the primary person to initiate ejection in the EA-6B?
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Pilot.
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With the comand eject select handle in the NORM position, what individual(s) is/are able to initiate ejection in the EA-6B?
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Pilot and ECMO #1.
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The lanyards for the ejection seat safety pin is what color?
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Red.
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Prior to entering an aircraft cockpit personnel should ensure what? EA-6B
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Proper safety precautions are followed.
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Who may work on ejection seats? EA-6B
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Qualified personnel only.
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How many tubes are attached to the center body of the rocket motor? EA-6B
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14.
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What precautions , if any, are used to ensure the correct rocketmotor is installed on the proper seat? EA-6B
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Varied size bolts?
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The rocket motor initiator has how many compartments? EA-6B
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Two.
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What is the main structural frame mn the MK-GRUEA-7 ejection seat?
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Main beam assembly.
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The time release mechanism provides automatic harness release separation at what altitude range? EA-6B
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11,500 to 14,500 feet
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What componet provides visual indication of a properly installed MK-GRUEA-7 ejection seat?
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Top latch mechanism.
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The SEAWARS is designed to release the parachute from the crewmember during sea water entry within how many seconds?
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2.
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which of the following is not a main assembly of the NACES? Main Beam,Catapult assembly,Parachute assembly,Rocket motor. assembly
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Rocket motor
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What component secures the NACES to the aircraft?
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Catapult.
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Smooth movement of the NACES seat bucket is provided by what?
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Seat bucket slippers.
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What component on the NACES takes the full trust of the catapult during ejection?
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Top cross beam.
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The NACES seat structure is secured to the catapult by what component
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Top latch assembly.
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The drogue deployment catapult is mounted at what location on the NACES?
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Outboard of the RH main beam.
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On the NACES what component controls the firing of the drogue catapult?
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Electronic sequencer.
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On the NACES what is the diameter of the drogue chute?
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57 in.
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The PDRM on the NACES is located where
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Left side of the main Beam.
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Which of the following is not a component of the NACES electronic sequencing system, Two thermal couples, Two thermal batteries, Two pitot assemblies, Two sequencer start switches?
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Two thermal couples.
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What components supply gas pressure to the under seat rocketmotor?
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Multipurpose initiators.
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In the NACES what component ensures the seat occupant is correctly positioned in the seat?
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Shoulder harness reel.
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Due to aircraft installation requirments, what different characteristics do the SJU-17(V)1/A,2/A and 9/A seat buckets have compaired to the SJU-17(V)3/A thru. 6/A assemblies?
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1 in wider.
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The under seat rocketmotor has which of the following differences in fetures to prevent incorrect installation between fwd and aft seats on F-18 A/C. Angle alignments, Shear pin sizes, Mounting bolt sizes, colors?
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Mounting bolt sizes
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On the NACES what color is the safe/armed handle when in armed position?
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Yellow and Black.
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on the NACES What differences if any do the canopy penetrators on the fwd, and aft seats have?
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Length
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How many different NACES seat bucket survival kit variations are there?
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Three.
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on the NACES The emergency O2 system is automatically activated during ejection by what component?
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Extension of an lanyard
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on the NACES what color are the manual deployment handles on the survival kit?
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Yellow.
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on the NACES when the ejection control handle is pulled the sears are withdrawn from the seat initiator firing mechanisms followed by what event?
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Two impulse cartridges are fired.
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on the NACES during ejection, what component withdraws a piston from engagement in the lower operating link of the emergency restraint release mechanism
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RH cartridge.
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on the NACES what feature provides an even increase in gas pressure to eliminate excessive g-forces
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Staggered firing of the catapult cartridges.
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on the NACES once the leg restraint lines are freed from the A/C what component or condition restrains the remaining lines,preventing fwd movmentof the legs?
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Snubbers.
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On the NACES sequencer timing commences during what condition?
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Closure of the start switches.
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When ejecting in mode 3 between 500-600 keas, at what time interval does the sequencer fire the drogue deployment catapult?
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0.22 seconds
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When ejecting in mode 1 between 0-300 keas,at what time interval does the sequencer fire the barostatic relaese unit cartridge, and release harness locks?
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0.65 seconds
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When the ejection seat is fired, two onboard thermal batteriesare immediately energized suppling usable electrical power to the sequencer within what time frame?
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100 milliseconds
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At approximately what distance of seat travel are the two pyrotechnic cartridges actuated?
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42 inches
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To maintain a uniform vertical accelaration profile on the seat and occupant, what component begins to operate just as the seat separatesfrom the catapult?
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Under seat rocket motor.
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