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60 Cards in this Set
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- Back
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how does today's emergency sequence for ejecting from a disabled aircraft start?
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with the aircrewman making a decision to leave the aircraft.
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what is the ejection sequence of the mk GRU-7?
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initial ejection, drogue gun fires, controller drogue deployes, stabilizer drogue deploys, and main parachute deploys and a normal parchute decent is made.
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what point does the canopy begin to fill with air?
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when the aircrewman falls away from the pilot parachute causeing the main canopy to be pulled from the container assembly, followed by the suspension lines.
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what point does the parachutist receive the opening shock?
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when the lift webs are pulled from the container while the canopy fully opens as th parachute fulls with air.
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what is the design and constuction of a parchute and its components based on?
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the old idea that a chain is only as strong as its weakest link.
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what are the five major parts of a standard service parachute starting at the top and working down?
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the pilot chute, the canopy, the suspension lines and the risers.
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what is tensile strength?
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the greatest stress cloth can withstand along its length without rupturing, espressed as the numbert of pounds per square inch.
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what is tear strength?
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the average force expressed in pounds required to continue a tear across either the filling or the warp of the cloth.
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what is air permeability?
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the measured amount in cubic feet of the flow of air through a square foot of cloth in 1 min under a specific pressure.
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what is gore?
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the material between any two suspension lines.
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how are the four sections of each gore identified?
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by the letters a, b, c, and d starting with the bottom section.
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what are the two types of threads of most woven cloth?
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warp and filling
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what should be the marking fluid if you should have to add markings to the canopy?
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IAW Spectification MIL-I-6903 A, Amendment No. 1.
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what thread should be used for sewing diagonal steams?
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size B or E nylon thread
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what size thread should be used for all other seams, zigzag stitching and repairs?
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size E
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what are suspension lines?
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they form a net or skeleton for the canopy and absorb much of the shock load.
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how are the flaps of the parachute container held closed?
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by two or four ripcord pins inserted through locking cones.
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what are parachute harness fittings? (hardware)
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small metal decive usually made of cadmium or chrome-plated stell and are desgned to join the parchute and harness and to afford easy and rapid adjustment of the harness to the wearer.
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what are the two adapters used with a regular quick-fit type harness?
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the regular harness adapter and the friction adapter.
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what snap is used as a means to quickly attach the navy chest-type parachute to the two d-rings on the navy chest-type harness?
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the quick-connector snap.
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what are connector links?
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fittings designed to join the parachute to the harness
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what is seawars?
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the parachute harness sensing release unit, which the aircrew systems change 446 incorporated and is designed to automatically release the parachute risers upon immersion in seawater
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what may need to be done when issuing parachutes?
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give some instructions to the aircrewmen on proper ways to carry and handle them.
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what do you ensure when using the container to return parachutes to supply or to transfer the assembly to another activity?
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the old tags and lebels on the container are removed or marked out and that the proper tags and labels are attached and properly filled out on the transferring container.
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why are new parachutes inspected before being placed in service, aside from inspection for damage?
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becasue it is possible for a mistake to be made when many persons are invovled in a manufacturing process.
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when a parachute require changes and modifications how are they issued?
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by the aircrew systems bulletins aircrew systems changes, and updated material entered in the emergency personnel and drogue parachute systems manual navair 13-1-6.2
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who is assigned emergency parachutes?
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operating units
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when are major inspections of emergency parachutes routine?
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when the parachute is first put into service, and then later at intervals to coincide with the time the aircraft is down for major maintenance.
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what are the less extensive inspections that do not involve unpacking the parachute?
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daily, preflight postflight and special
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how often are special inspections done?
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every 7 days 10 days or 14 days depending on the type of aircraft.
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if any damage is found or suspected during the inspections who is the assembly sent to for thorough inspection testing and possible repair?
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an aviation intermediate maintenance depot (aimd)
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who is the entire parachute shipped to after an emergency use for a detailed inspection?
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the naval weapons center, china lake, california
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how are parachute maintenance and inspection procedures performed?
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according to the guidelines set forth in the emergency personnel and drogue parachute systems manual navair 13-1-6.2 and the maintenance requirements cards navair 13-600-4-6-3
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who does all parachute maintenance?
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the lowest level activity equipped to satisfactorily perform the work.
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what must you fill out whenever you perform any of the routine inspections?
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an opnav form 4790/38
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what is the parchute configuration inspection and history record (opnav 4790/101)?
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it is designed to provide a continuing historical record of a parachute assembly and its components throughtout its service life
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how are all original (flimsy)copies of the history record maintained?
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in a permanent file as designated by the cognizant aircraft maintenance officer
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who is the history record and the permanent file of original (flimsy) history records forwarded to when a parachute assembly has been involved in an aircraft accident?
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the commander nacal weapons center (code 64123)china lake ca 93555
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who initiates the parachute configuration inspection and history record?
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each time the parachute assembly is inducted for repack or maintenance.
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what type of parachute components must be entered in the configuration verfication section of the history record?
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all parachute components other than cartridges and cartridge-actuated decives with assigned service life.
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when may the history record be destroyed?
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when a parachute (canopy) has been retired because its total service life has expired.
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should a salvaged item be reused if its previous history cannot be firmly established?
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no, under any circumstances.
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what must be filled out whenever a canopy is inspected and found to need repairs?
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an appropriate canopy damage chart
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what is done with the canopy damage chart when the repairs to the canopy are done?
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it is attached to the parachute configuration inspection, and history card.
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what are the forms used in the naval aviation maintenance program (namp) that are applicable to parachute maintenance?
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vids/maf form support action form and dod single line requisition system document
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where can you find detailed instructions on the use of the vids/maf form support action form and the dod single line requisition system doument?
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in the naval aviation maintenance program manual comnavairforinst 4790/2
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what must be entered on the parachute configuration inspection and history record when a mondificatioin is performed on a parachute assembly?
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the assigned technical directive code and the modification code.
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a daily inspection should be performed on what type of parachute assemblies?
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all in-services parachute assemblies either installed in aircraft or in ready issue rooms.
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who may perform daily inspections on in-service parachute assemblies?
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line personnel, or by an issue room custodian who has been checked out by both the AME and PR shops and found qualified.
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when are daily inspections performed?
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before daily flight operatins and is a visual in-place inspection
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what should you be looking for when inspecting the packaged parachute for external evidence of damage?
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wear or other evidence of physical abuse; and stains which may indicate contact with harmful fluids or chemicals or stains or discolorations may also be caused by contact with a hot object and another possible source of trouble is exposure to ultraviolet radiation such as sunlight or some typed of artifical lighting.
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who performs special inspections?
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Organizational level maintenance PR personnel such as yourself and are conducted under adequate lightning conditions.
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are parachute assemblies opened for the special inspection or the daily inspection?
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NO
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What do you enter on the preflight daily turn-around postfight maintenance record card when you complete the special inspection?
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your full name, rate, and current date
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What level of maintenance performs the acceptance (original issue) calendar phased conditional inspection?
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the lowest level of maintenance possible.
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when is the original issue inspection consist of?
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the time a parachute is placed into service.
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if any discrepancy is found when doing an origianl issue inspection what type of inspection is performed?
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a conditional inspection, which includes a repack of the parachute assembly.
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what should the regular inspection cycle of a parachute assembly correspond to?
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either the aircraft calendar inspection or to the phased maintenance inspection cycle program as dirested by navair 13-600-4-6-3
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when is a conditional inspection performed?
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when a parachute assembly must be inspected as the result of a specific situation or set of conditions unrelated to the normal inspection interval
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what level of maintenance inspects parachute assemblies for external damage or abnormal condition after each combat mission?
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organizational-level maintenance
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