AC 70/7460-1F

9/27/78 AC 70/7460-1F CHAPTER 7. DUAL LIGHTING SYSTEMS

18. DUAL LIGHT SYSTEMS. Red (nighttime) and high intensity white specified in Appendix 2, Figs. 10-12. for red obstruction lights. The lights should be installed as adjusted, if necessary, to coincide with the nearest platform used in Chapter 4, 5 and 6. The light units should be installed as though lights recommended for the high intensity lighting systems may be each system was the only system being used. However, the levels of mendations. lights for daytime obstruction lighting precludes the painting recom- white lighting systems at night. The use of the high intensity white conditions when it might not be feasible to operate the high intensity (daytime) obstruction lighting systems may be utilized under certair The systems should be installed and operated as specified Chap.

ar. 18 Page 33 (and 34)

9/27/78 ÁC 70/7460-1F CHAPTER 8. MARKING AND LIGHTING OF MOORED BALLOONS AND KITES

19. PURPOSE. To describe marking and lighting standards for moored balloons from any normal angle of approach. and kites for the purpose of indicating to airmen the general definition of these objects and to warn pilots of their presence when converging APPLICATION. This chapter pertains to all moored balloons and kites which require marking and lighting under Part 101 of the Federal Aviation Regulations.

21. mooring lines to warn airmen of their presence during daylight hours. MARKING. Pennant, streamers or similar type markers should be used on * we shout d a. Display. Markers should be displayed at not more than 50-foot (15m) intervals beginning at 150 feet (46m) above the surface of the earth and should be visible for at least one mile.

b. Shape. Markers should be rectangular in shape and not less than two feet (0.6m) on a side. Stiffeners should be used in the borders to prevent drooping in calm wind, wrapping around the cable, and to expose a large area in light air.

c. Color Patterns. One of the following color patterns should be used:

(1) Solid Color. Aviation surface orange.

orange and the other of white, combined to form a rectangle. Orange and White. Two triangular sections, one of aviation 220 LIGHTING. High intensity white flashing lights should be used on moored that lights meeting the L-856 specifications be used.) balloons or kites and their mooring lines to warn airmen of their pre- on continuously. sence during the hours between sunset and sunrise or, they may remain Xenon type lights are acceptable. (It is not intended

a. Display. Flashing lights should be displayed on the top, nose length for each 350 feet (107m) or fraction thereof. Additional lights should be equally spaced along the cable's overall (4.6m) below the craft so as to define the extremes of size and shape. section, tail section and on the tether cable approximately 15 feet Light Distribution. The intensity of each light should be approxi- mately 1,000, and preferably 1,500, effective candelas at every the vertical plane) with a flash rate of 40 pulses per minute. point in the horizontal plane (and a minimum of two degrees in Chap. 8 Par. 19 Page 35

AC 70/7460-1F 9/27/78 reverse order should apply in transitioning from nighttime to daytime by a photocell controller which automatically turns the light on when (645.8 lux) but before reaching 30 footcandles (322.9 lux). The LIGHT CONTROL DEVICE. The operation of each light may be controlled the north illumination on a vertical surface drops to 60 footcandles

24. navigable airspace are not affected and shall apply. OTHER FEDERAL OR LOCAL GOVERNMENT REGULATIONS. Rules and regulations as prescribed by the FAA and other Federal and local government agencies pertaining to the use of balloons, kites and associated equipment in the Page 36 Chap. 8 par. 23

9/27/78 AC 70/7460-1F CHAPTER 9. OBSTRUCTION MARKING AND LIGHTING EQUIPMENT PURPOSE. may be obtained. obstruction painting and lighting of objects and advises where they This chapter lists all of the documents relating to the

26. PAINT. FED-STD-595, Colors, as follows: forth in this publication should conform to Federal Standards Paint and aviation colors referred to in the standards set

a. Colors.

(1) Orange. Number 12197 (Aviation Surface Orange).

(2) White. Number 17875 (Aviation White).

Availability of Specifications. FED-STD-595 and other Federal various paints and their application techniques may be obtained specifications describing the technical characteristics of Specification Activity Building 197, Room 301 Naval Weapons Plant First and N Street, S.E.

Washington, D.C. 20407

27. LIGHTS AND ASSOCIATED EQUIPMENT. The lighting equipment referred to drawings. applicable provisions of the following specifications and their related in the standards set forth in this publication should conform with the

a. Aviation Red Obstruction Lighting System.

Color. Military Specifications MIL-C-25050 Colors; Aeronautical Lights and Lighting Equipment.

(2) Flashing Beacons. FAA Specification CAA 446, Code Beacons, 300mm •

(3) Double and Single Obstruction Lights.

(a) Military Specifications MIL-L-7830, Light, Navigational Boundary and Obstruction Markers.

(b) FAA Advisory Circular Number 150/5345-2, Specifications for L-810 Obstruction Lights.

Chap. 9 Par. 25 Page 37

AC 70/7460-1F 9/27/78

(4) Covers for Aeronautical Lights. Military Specification MIL-C-7989 Covers; Light Transmitting (for Aeronautical Lights).

b. High Intensity White Obstruction Lighting Systems. FAA Advisory Circular Number 150/5345-43, FAA/DOD Specification L-856, High Intensity Obstruction Lighting Systems.

c. Approved Manufacturers. FAA Advisory Circular Number 150/5345-1, Approved Airport Lighting Equipment, lists the approved airport lighting equipment and manufacturers qualified to supply their product in accordance with the indicated specification requirements.

d. Installation and Maintenance. FAA Advisory Circular Number 150/5340-21, Airport Miscellaneous Lighting Visual Aids, provides guidance for the installation, maintenance and testing and inspection of the red beacon and steady burning obstruction lighting.

e • Availability. The standards and specifications listed above may be obtained free of charge from the designated facility:

(1) Military Specifications:

Commanding Officer Naval Publications and Forms Center 5801 Tabor Avenue Attention: NPFC-105 Philadelphia, Pennsylvania 19120 Phone: (215)-697-2000

(2) FAA Specifications:

Chiei, Configuration Control Branch, AAF-110 Department of Transportation Federal Aviation Administration 800 Independence Avenue, S.W.

Washington, D.C. 20591

(3) FAA Advisory Circulara:

Department of Transportation Publications Section, M-443.1 400 7th Street, S.W.

Washington, D.C. 20590 Chap. 9 Page 38 Par. 27

9/27/78 AC 70/7460-15

f. RECOMMENDED LAMP EQUIPMENT Multiple Circuits Volts Lights Single Obstruction Double & Typical Service Watts 116 125 120V 120V Amps. or A-21 Bulbs A-21 Md. Scr Md. PE. Base Life (Hours) Rated Lab. Average 6,000 6,000 Lumens Approx. 1,260 1,220 Specifications L-810 FAA L-810 L-7830 MIL L-7830 Flashing Beacon 700 120V PS-40 Mg. Pf. 6,000 11,200 446 L-6273 High 620 120V PS-40 Mg. Pf 3,000 11,200 446 I-6273 Intensity 480V White Obstruction. 240V 120V L-856 Lights

• Series Circuit Obstruction Lights 6.6A A-21 Md. Pf. 2,000 - ,020 L-810 I-7830 NOTE: assures the necessary lumen output. Rated voltage of incandescent lamps shall be within plus or minus 3 percent of the voltage across the lamp socket. This Chap. 9 Par. 27 Page 39

9/27/78 AC 7077460-1F Appendix 1 HOLEY

SINGLE OBSTRUCTION

LIGHT FITTING (Fresnel Globe) 300 mm BEACON DOUBLE OBSTRUCTION (Fresnel Lens)

LIGHT FITTING (Fresnel Globe)

TYPES OF OBSTRUCTION LIGHTS Fig. 1.

AC 70/7460-1F Appendix 1 9/27/78 Not less than 5 ft. ( .5m) nor more than 10 ft - (3m) More than 300 ft. (90m) but not more than 450 ft. (135m)

PAINTING AND LIGHTING OF CHIMNEYS, POLES, TOWERS

AND SIMILAR OBSTRUCTIONS Fig. 2.

9/27/78 AC 70/7460-1F Appendix 1

LIGHTING More than 150 fr. (45m) but LIGHTING not more than 300 ft. (90m) not more than 300 ft, (90m) More than 150 ft. (45m) but

PAINTING AND LIGHTING OF WATER TOWERS, STORAGE TANKS AND SIMILAR OBSTRUCTIONS Fig. 3.

AC 70/7460-1F Appendix 1 9/27/78 More than 150 ft. (45m) but not more than 300 ft. (90m)

PAINTING AND LIGHTING OF WATER TOWERS AND SIMILAR OBSTRUCTIONS Fig. 4.

9/27/78 AC 70/7460-1F appendix 1

PAINTING OF SINGLE PEDESTAL WATER TOWER BY TEARDROP PATTERN Fig. 5.

276-776 0 - 79 - 5 Page 5

AC 70/7460-1F 9/27/78 Appendix 1 Inboard lights recommended on all levels above height of shorter structure 200' or less (60m) Inboard Lights ] 695' may be omitted (208m) | 495" 466' (149m) (140m) 700' (210m) 250' 242' (73m) (75m)¡ (150m) 500' 233' (70m) Minor adjustments in vertical placement may be made to place Lights on same horizontal plane.

Lights on both structures to be synchronized.

17. f. (2) Fig. 6.