1、 AMSC N/A FSC 1730 Beneficial comments, recommendations, additions, deletions, clarifications etc. and any data which may improve this document should be sent to: WR-ALC/GRVEB, 460 Richard Ray Blvd, Suite 200, Robins AFB GA 31098-1813. Since contact information can change, you may want to verify the
2、 currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil/online/. INCH-POUND A-A-59888 3 January 2012 COMMERCIAL ITEM DESCRIPTION STAIRCASE, AIRCRAFT BOARDING, STANDARD TRUCK The General Services Administration has authorized the use of this Commercial Ite
3、m Description (CID) for all federal agencies. 1. SCOPE 1.1 Scope. This commercial item description covers the general requirements for passenger boarding staircase trucks servicing military and commercial aircraft on Government installations. 2. SALIENT CHARACTERISTICS. 2.1 Aircraft staircase descri
4、ption. The commercial, chassis-mounted vehicle shall be capable of servicing multiple aircraft classifications to safely load and unload passengers. It shall have the ability to quickly pull up and back away from aircraft. The lift system shall operate smoothly. 2.1.1 Aircraft Compatibility. Aircraf
5、t Staircase shall be compatible with the following aircraft. Aircraft Accommodated Height Range (inches) B-707, B-727, B-737, B-747, B-757, B-767, B-777, A-300, A-320, A-340, and their military derivatives 96 - 228 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
6、from IHS-,-,-A-A-59888 2 2.2 Design and construction. The Aircraft Staircase shall be designed and constructed in accordance with SAE ARP836 and SAE ARP1247 and have a 12 year minimum life expectancy. The Aircraft Staircase shall be designed for safe operation with the rated capacity load at all lif
7、t heights and positions that the truck is capable of achieving. The Aircraft Staircase shall be constructed so that parts do not work loose in service and shall withstand the loads, shocks, strains, vibrations, and other conditions incident to operation, shipping, and storage without permanent disto
8、rtion and with minimum loss of time for maintenance, repair, and servicing. It shall be weatherproof and designed to prevent the intrusion of water and sand into critical operating components. The Aircraft Staircase design shall ensure safe, efficient, and economical operation. All assemblies, contr
9、ols, and installed equipment shall be located so that there is no adverse interference with each other, or with the operation, and shall be readily accessible for maintenance, operation, removal, and replacement. 2.2.1 Materials, protective coatings, and finish. 2.2.1.1 Protective coatings. Material
10、s that deteriorate when exposed to sunlight, weather, or operational conditions normally encountered during service shall not be used or shall have a means of protection against such deterioration that does not prevent compliance with the performance requirements specified herein. Protective coating
11、s that chip, crack, or scale with age or extremes of climatic conditions or when exposed to heat shall not be used. Ferrous structures and surfaces shall be primed with zinc rich primer in accordance with MIL-PRF-26915, Type II. Raw metal edges shall be coated with the primer before topcoating. Topc
12、oat shall be polyurethane. Fasteners, handles, and fittings used in the assembly of the Aircraft Staircase shall also be primed and painted. Surface preparation and pretreatment shall be in accordance with the respective primer and topcoat specifications. Structures shall be cleaned, degreased and b
13、lasted prior to priming; primer shall be applied before any oxidation or rusting occurs. Topcoat shall be applied to a dry film thickness of 1.6 to 2.4 mils in all instances, regardless of the primer system utilized. The coating shall be free from runs, sags, orange peel, or other defects. 2.2.1.2 D
14、issimilar metals. Dissimilar metals, as defined in MIL-STD-889, shall not be in contact with each other. Metal plating or metal spraying of dissimilar base metals to provide electromotively compatible abutting surfaces is acceptable. The use of dissimilar metals only when separated by suitable insul
15、ating material is permitted, except in systems where bridging of insulation materials by an electrically conductive fluid can occur. Sealants or gel type gasket materials shall be used between faying surfaces and butt joints. 2.2.1.3 Finish. The exterior finish color of the Aircraft Staircase shall
16、be Insignia White, Color Number 17875 of FED-STD-595. Exterior surfaces shall be prepared, primed, and painted with polyurethane paint. The interior of all compartments shall be painted with an impact resistant, textured coating that resists stains, scuffs, chips, and scratches; all exterior surface
17、s, excluding all normally bright metal and anodized parts, shall be painted body color. The chassis frame and running gear may be black. All interior surfaces visible with any compartment door open, excluding the interior of the cab, shall also be painted body color. This includes compartment shelve
18、s and mounting hardware, but does not include items mounted in the compartments. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59888 3 2.2.1.4 Rustproofing. The vehicle chassis and cab (at minimum: seams, welds, locations where dissimilar metal
19、s contact, etc) shall be rust proofed and undercoated in accordance with FED-STD-297. When specified, the level of corrosion prevention shall be upgraded to tropical (see 6.2). Tropical protection shall be corrosion-protected with a thick, hard, black, commercially-available Corrosion Preventive Com
20、pound (CPC) that is difficult to remove. Application shall include the exposed chassis-frame metal underneath the Aircraft Staircase (excluding the drive train), the inside of the wheel wells, and behind the fender skirts. In addition, Aircraft Staircase that are to be shipped overseas shall be temp
21、orarily corrosion-protected from the effect of salt spray both on the ship and at port with the application of a thin, soft-film, semi-transparent, commercially-available CPC that is easily removable by washing or with a low pressure steam. Application of the temporary CPC shall be to the exterior o
22、f the Aircraft Staircase, in critical or corrosion sensitive areas of the vehicle. The overseas Air Force vehicle maintainers shall remove this temporary CPC on receipt from the shipper. The Technical Manual shall reflect the temporary CPC removal process. 2.2.1.5 Fluid traps and faying surfaces. Th
23、ere shall be no fluid traps on the Aircraft Staircase. Faying surfaces of all structural joints, except welded joints, shall be sealed to preclude fluid intrusion. 2.2.1.6 Drainage. Drain holes shall be provided to prevent collection or entrapment of water or other unwanted fluid in areas where excl
24、usion is impractical. All designs shall include considerations for the prevention of water or fluid entrapment and ensure that drain holes are located to effect maximum drainage of accumulated fluids. The number and location of drain holes shall be sufficient to permit drainage of all fluids when th
25、e unit is in a one degree incline in any plane. The minimum size of the drain holes shall be 0.25 inch. 2.2.2 Markings. All external devices which require an operational or maintenance interface shall be marked in accordance with MIL-STD-130. Markings shall be 1-inch high block letters unless prohib
26、ited by the available space. In such cases, the markings shall be the largest size possible, but shall not be less than -inch high. Markings, Information/Caution shall be Lusterless Black, Color Number 37038 of FED-STD-595, and Markings, Warning/Danger shall be Lusterless Red, Color Number 31136 of
27、FED-STD-595. Plates shall not fade due to climate exposure. The center of gravity shall be stenciled on the unit within 1.0 inch of the calculated center of gravity. 2.2.3 Identification plate. An identification plate in accordance with MIL-STD-130 shall be securely attached to the Aircraft Staircas
28、e in a readily accessible location. The identification plate shall contain the following information: Manufacturers name, model number, serial number, contract number, registration number, date of delivery, warranty expiration date or mileage, platform and step load limits, gross vehicle weight (pou
29、nds), fuel type, speed limit restrictions, Commercial and Government Entity (CAGE) code, and National Stock Number (NSN).The Aircraft Staircase and any of its components for which the Governments unit cost is more than $5,000, is serially managed, or the procuring agency determines is mission essent
30、ial, shall have Unique Identification (UID) (also known as Item Unique Identification (IUID) information permanently affixed on or near the respective identification plate(s), marked in accordance with MIL-STD-130. UID information shall be included as both a bar code and human readable markings. Pla
31、tes shall not fade due to climate exposure. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59888 4 2.2.3.1 Transportation data plate. A transportation data plate shall be securely attached to the Aircraft Staircase in a readily accessible locati
32、on. The plate shall contain at least the following information: a. Side and rear silhouette views of the Aircraft Staircase. b. Horizontal and vertical location of the center of gravity of the Aircraft Staircase in air transportable configuration, marked on the silhouette views. c. Shipping weight.
33、d. Loading cubage. e. Overall height, width, and length. f. Front and rear axle loads. g. Tie down information. h. Center of Gravity. 2.2.4 Safety. The Aircraft Staircase shall comply with all applicable requirements of the Federal Motor Carrier Safety Regulations (49 CFR 393), Federal Motor Vehicle
34、 Safety Standards (49 CFR 571) and OSHA standards in effect at the time of manufacture. The Aircraft Staircase design shall not contain any mishap risk categories greater than medium as defined in Table A-IV of MIL-STD-882. 2.2.4.1 Foreign object damage. All loose metal parts, such as pins or connec
35、tor covers, shall be securely attached to the Aircraft Staircase with wire ropes or chains. “Dog tag“ style beaded chains shall not be provided. Removable panels, if provided, shall be attached with captive fasteners. Tire valve stem caps shall be made of plastic. 2.2.4.2 Sound levels. The Aircraft
36、Staircase interior sound level shall be in accordance with Federal Motor Carrier Safety Regulations 49 CFR 393.94. 2.2.4.3 Component protection. All space in which work is performed during operation, service, and maintenance shall be free of hazardous protrusions, sharp edges, or other features whic
37、h may cause injury to personnel. All rotating and reciprocating parts and all parts subject to high operational temperatures or subject to being electrically energized, that are of such nature or so located as to be hazardous to personnel, shall be guarded or insulated to eliminate the hazard. 2.2.4
38、.4 Decals. A warning decal shall be provided in the cab advising of the hazards of driving with stairs extended. This decal shall include speed limitations while the stairs are extended; in essence tipping over warning. Additionally, an overhead clearance decal shall be provided in the cab stating t
39、he minimum and maximum stair heights in plain view of the driver/operator. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59888 5 2.2.4.5 Backing Safety. The Aircraft Staircase shall be equipped with a flashing beacon and a siren that automatica
40、lly engages when the vehicle is placed in reverse. 2.2.5 Electromagnetic interference. The Aircraft Staircase shall be in accordance with the following radiated emission and susceptibility requirements of MIL-STD-461: RE102 and RS103. 2.2.6 Human engineering. The Aircraft Staircase shall be designed
41、 in accordance with MIL-STD-1472 for ease of operation, inspection, and maintenance, including the use of arctic mittens and Mission-Oriented Protective Posture (MOPP) Level 4 Chemical Warfare Gear. 2.2.7 Fastening devices. All screws, bolts, nuts, pins, and other fastening devices shall be properly
42、 designed, manufactured, and installed with adequate means of preventing loss of torque or adjustment. Cotter pins, lock washers, or nylon patches shall not be used for this purpose, except for the attachment of trim items or as provided in commercial components. Tapped threads on loaded fasteners s
43、hall have a minimum thread engagement in accordance with Table I. TABLE I. Minimum thread engagement. Material Minimum Thread Engagement Steel 1.0 times the nominal fastener diameter Aluminum, zinc, or plastic 2.0 times the nominal fastener diameter 2.2.8 Welds and welding. All welders shall be cert
44、ified to weld in accordance with AWS D1.1 and AWS D1.2. The contractor shall make available to the Government certifications for all welders being utilized on the Aircraft Staircase. Welding procedures shall be in accordance with AWS D1.1 and AWS D1.2 as applicable. All welding on the Aircraft Stair
45、case shall be completed in accordance with AWS D1.1 and AWS D1.2. The surface parts to be welded shall be free from rust, scale, paint, grease, and other foreign matter. Welds shall be of sufficient size and shape to develop the full strength of the welded parts. Welds shall transmit stress without
46、cracking or permanent distortion when the parts connected by the welds are subjected to test, proof, and service loadings. 2.3 Environmental conditions. The Aircraft Staircase shall be capable of storage, start and operation under the following environmental conditions a. Ambient temperatures rangin
47、g from -20oF to +123oF. b. Exposure to relative humidity up to 100 percent. c. Exposure to solar radiation as encountered in desert areas. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59888 6 2.3.1 Wind. The Aircraft Staircase shall be stable
48、in accordance with 3.13.1.9 of SAE ARP 1247 while the stairs are fully extended. The horizontal movement of the top platform shall not exceed 3.0 inches in either direction. 2.4 Transportability. 2.4.1 Surface transportability. The Aircraft Staircase shall be transportable via all modes of surface s
49、hipment (highway, rail, and water) in accordance with MIL-STD-1366, and shall be capable of withstanding the mechanical shock and vibration characteristics of highway, rail, and water transport, except that design for rail impact testing (see 5.2.5 of MIL-STD-1366) is not required. 2.4.2 Air transportability. The Aircraft Staircase shall be transportable without shoring on C-5 and C-17 aircraft. Design criteria can be found in MIL-HDBK-17
