1、NIL-L-6730 62 7797706 0078270 7 MIL-L-6730 9 June 1950 MILITARY SPEGIFICdTION UGHTING IQUIpraJT; EXTERIOR, INSTBLIdTION OF AIRCRbFT (GEIERBI, SFECIFICA!lTON) This specification was approved by the Depal.tmexrts of the Army., the Navy, and the dir Force for use of procurement services of the respecti
2、ve Departments, and supersedes the following specification: AN-L-39 10 January 1949 This specification consists of this cover sheet and Specification AN-L-39, dated . 10 January 1949, without modification. Copies of this specification may be obtained fmm the Commanding General, Air Materiel Command,
3、 Wright-Fatterson Air Force Base, Dayton, Ohio; or the Commanding Officer, U. S, Naval Air Station, Johnsville, Pennsylvania. When a request for this specification is received by a supplying activity, it will be necessary to attach this cover sheet to the pertinent specification before issue. Custod
4、ian : Navy - BuAer Other interest: Air Force Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, K MIL-L-6730 62 W 7777706 0078273 7 mK- , AN-L-39 lo January 1949 This specification lils approved on ttae abave ate by joint action of the Bir Force and N
5、avy De-nts, for use in the procun?ment of aeronautical supplies and shall become effective ismediately upon issue. A. APPLICATION. A-1. Application.- This specification sets forth tbe general requirenients for the installation of exterior Ilghting equipnt on aircraft. A-la. The requirements of this
6、specification are mt applicable to airships and helicopters. A-2. Scope.- The I.equimmnts of this specification an? applicable to all exterior lighting equipnent installations, not Covered other Government specifications. B, APPLICABLE SPECIFICATIONS. Aiblications.- The fooring pubtications of the i
7、ssue in effect on ate of invitation for bids shall form a part of this specification to tbe extent specified herein: -_ Ela. AFr Force-Nrmy Aeronautical Specifications.- AN-Gl7 - Electrical 4uip1z?nt3 Installation of Aircraft AN-Lll AN-L12 Eght Assemblies; Aircraft AN-W-14 Wiring; Installation of Ai
8、rcraft Air ForceNavy Aeronautid Standard Ih.enings.- Light Assemblies; Electrically Betractable Landing B-lb. AN886 AN889 AN898 AN3032 AN3033 AN3042 AN3043 AN3088 AN3091 AN3092 AN3093 AN3095 AN3099 AN3110 Gasket - Anchor Light er Gasket - Wing Rosition Light hr Gasket - Exterior Light Cover Light As
9、sembly - Wing bition ( 24 AMO424 Port : WING TIP AN3042-2 : Starboard : AN889-1 . . t Avian : Avian Red: : : mp msmu f AN31773 f AN3120-1047f 100 : AN3099-7 : Aviation : AN904-1 t . : LIGHTS i mM FUSEIAW 813177-1 AN312 : t : : : : : LIGHTs : AN3147 i AN3129-4523; : : (F-1 t : : : : t : Provided by I
10、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-6730 62 M 9777706 0078275 6 AN-L39 -5 (January 1949) LZa(1)a. Horizontal installations.- Rhen installed in a horizontal plane the yellow light shall be to the left of tk white light as vieired from the rear of
11、 the aircraft . L2a(l)b. L2a(2). lUa(3). Center Distance.- lights shall not exceed six inches. The distance behen centers of both tail position !lwin Rudder Mounting.- Both tail position light assemblies, if installed on the rudder, shall be placed onth left rudder of tuin tail aircraft. %kre they m
12、Tll be subject to heat in excess of that specified in Specification AN-Ll2. Jet Aircraft.- Tail position light assemblies shall not be installed L2b. Color.- One yellow and one white tail position light assembly shall be ins talle d. L2c. Visibility.- Tail position light assemblies shall be visible
13、from all positions within 90 degrees above and below, and right and left of the airplane fuselage thrust line when viewed from the rear. M. Fuselage Light Assemblies.- Ma. Installation.- Fuselage light assemblies shall be installed midway between the nose and the tail of the aircraft, but aft of the
14、 pilots cockpit. light shdl be directly above the bottom light and the line through these two lights shall be perpendicular to the thrust line of flight. Aircraft on which it is impractical to install the bottom fuselage light vertically beneath the top fuselage light, shall have tm lights installed
15、 one on each side of fuselage or hull, as near the bottom as pracc ticable and in a vertical plane passing through the top fuselage light. The top Mb. Color.- Both top and bottom fuselage lights shall be equipped with clear vibite glass covers as specified in Table III. Mb(1). Additional Cover Glass
16、es.- he each of the folloning bottom fuselage light cover-glasses shall be provided for each airplane: AN3099-10(red); AN3099-11( green); AN3099-12 (yellow); and BN3099-6 (aviation white) and AN3099-8 (am white without shield). Mc. Visibility.- The top fuselage light shall be visible throughout the
17、portion of the upper hemisphere of vision and the bottom fuselage light shall be visible throughout the lower hemisphere as shown on Figure 1 and 2. visible from the sides of the aircraft. Both lights shall be L4. Taxi Light Assemblies.- D-4a. Installation.- Taxi light assemblies shall be installed
18、subject ta approval of the Procuring Agency. assembly may be located on the movable strut, if practicable, so that the light will turn with the wheel. On aircraft having a nose wheel, the taxi light L4b. L4c. Color.- Visibility.- The taxi light assembligs shall be installed as to afford Thetaxilight
19、 assembly shal be equipped with clear cover glass. maximum visibility for the pilot and Co-pilot. L5. Landing Light Assemblies.- iL5a. , Installation.- Landing light assemblies shll be installed as shown in Figure 3. with Figure 3, shall be subject to approval of the Procuring Agency. Aircraft provi
20、ded with landing light assemblies not installed in accordance Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN-L39 -6 (January 1949) -e- - FTGEE 1, Exterior or to the Cornding Qfficer, U. S, Naval Air Developmnt Station, Johnsville, Pennsylvania. A
21、NA Specifications and Drawings are available for purchase from the above agencies, acting as agents for the Superintendent of Documents. Index of ANA Standards or upon application to either of the above agencies, and payment shall be made by check or money order, payable to the Superintendent of Doc
22、wnts or the Treasurer of the United States. The price may be obtained from the NOTICE: When Government drawings, specifications, or other data are used for any purpose other than in connecfion with a definitely related Governinent procurement operation, the United States Govenunent thereby incurs no
23、 responeibility nor any obligation whatsoever; and the fact that the Government may have fomuated, furnished, or in any way supplied the said drawings, specifications, or other data ie not to be regarded by implication or otherwise as in any namer licensing the holder or any other person or corporation, or conveying any rights or pendesion to manufacture, UBB or sell any patented invention that may in any ray be related thereto. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
