AC 70/7460-1A

Historical

Advisory circular · Obstruction Marking and Lighting

A newer version is currentThis is a historical version. AC 70/7460-1M is the version in force, approved November 6, 2020.
Last reviewed
October 31, 2023
Cancelled by
AC70/7460-1B
Family
AC 70/7460-1 · 7 versions
Revision
A, 1A
14 CFR parts
77

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 37–48
Page 49OCROpen in PDF

AC 70/7460-1A Appendix i 1 Jan 72 A-More than 150 ft. but not more than 300 ft.

A -Not more than 150 f1.

A-More than 300 ft. but not more than 450 ft.

PAINTING AND LIGHTING OF TOWERS, POLES AND SIMILAR OBSTRUCTIONS Page 2

Page 50OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1 Not less than 5 ft.

nor more than 10 ft.

Not less than 5 ft.

nor more than 10 ft.

Special double obstruction fight

SUSPENSION TYPE

OBSTRUCTION LIGHT

INSTALLATION A-More than 300 ft. but not more than 450 ft.

A-Not more than 150 ft.

PAINTING AND LIGHTING OF SMOKESTACKS AND SIMILAR OBSTRUCTIONS Page 3

Page 51OCROpen in PDF

AC 70/7460-1A Appendix 1 1 Jan 72 B-Not more than 150 ft. A-More than 150 ft, but not more than 300 ft. LIGHTING A and B- 15 ft. MARKING or more A and B-Not more LIGHTING than 150 ft. B-Less than 15 ft. A -5 ft. or more MARKING

PAINTING AND LIGHTING OF WATER TOWERS AND SIMILAR OBSTRUCTIONS Page 4

Page 52OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1

LIGHTING A-More than 150 ft. but MARKING not more than 300 ft. A and B- 15 ft. or more B-Not more than 150 ft.

PAINTING AND LIGHTING OF WATER TOWERS AND SIMILAR OBSTRUCTIONS Page 5

Page 53OCROpen in PDF

AC 70/7460-1A 1 Jan 72 Appendix 1 LIGHTING MARKING : LIGHTING MARKING A-More than 150 fl. but A and B-15 ft. or more A and B-Not more A-5 ft. or more not more than 300 ft. than 150 ft. B- Less than 15 ft.

B-Not more than 150 1L.

PAINTING AND LIGHTING OF GAS HOLDERS AND SIMILAR OBSTRUCTIONS Page 6

Page 54OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1

PAINTING OF SINGLE PEDESTAL WATER TOWER BY BEACHBALL PATTERN Page 7

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AC 70/7460-1A Appendix 1 1 Jan 72 BRIDGE Page 8

Page 56OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1 IDo Not Paint * white

VORTAC-VOR & TVOR SIMILAR END SIDE PLAN

IYPICAL BUILDING Page 9

Page 57OCROpen in PDF

AC 70/7460-1A Appendix 1 1 Jan 72 Do Not Paint Roof, IRAILER (Mark as shown) Plastic Rail-Do Not Paint See Not lots or Peter Me guide Below • PLAN ROOF

DIRECTIONAL LOCALIZER WAVEGUIDE SHELTER LOCALIZER ANTENNA SUPPORT

ELEVATION Nite Over 15 paint tie quat horizontal bands, middle band white, others aviation surface orange.

PLAN "V"RING ANTENNA ARRAY PLATFORM Page 10

Page 58OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1 CHAPTER 6, 19a

SPECIFICATIONS FOR

LIGHTING TOWERS, POLES

AND SIMILAR OBSTRUCTIONS

AVIATION RED OBSTRUCTION LIGHTING (NIGHTTIME) HEIGHT OF LIGHTS ON STRUCTURE IN FEET ABOVE GROUND LEVEL 1200 LEGEND:

• CODE BEACONS

OBSTRUCTION LIGHTS 1000 TOP 800 TOP 600 117 516 TOP 4/5 / 2/3 400 TOP UTT 3/4. -₴ 3/5 1/2 2/5 1/3 200 1/3 1/4 1/5 1/6 -2 LEVELS*-3 LEVELS- 150 300 →4 LEVELS - →5 LEVELS-→6 LEVELS -→ 450 600 750 900

HEIGHT OF STRUCTURE IN FEET ABOVE GROUND LEVEL Page 11

Page 59OCROpen in PDF

AC 70/7460-1A Appendix 1 1 Jan 72 2100 1900

AVIATION RED OBSTRUCTION LIGHTING (NIGHTTIME) LEGEND:

1700 - CODE BEÄCONS

OBSTRUCTIONS LIGHTS F HEIGHT OF LIGHTS ON STRUCTURE IN FEET ABOVE GROUND LEVEL 1300 1100 700

- 4/7 500 • 2/5 · 3797 · 3/10:

300 2/7 t 1 2/9 100 900 1→7 LEVELS → 8 LEVELS →→ 10501 1200 → LEVELS 1350 LEVELS

HEIGHT OF STRUCTURE IN FEET ABOVE GROUND LEVEL Page 12

Page 60OCROpen in PDF

1 Jan 72 AC 70/7460-1A Appendix 1 2100

AVIATION RED OBSTRUCTION LIGHTING (NIGHTTIME LEGEND:

CODE BEACONS 1900 OBSTRUCTION LIGHTS :

CTOP- 1700 GROUND LEVEL 1500 I/LL F/ 10/11 9/5- HEIGHT OF LIGHTS ON STRUCTURE IN FEET ABOVE • 1300 timi 1100 8/11 Hevs Tit 11½ 91 900 6/^" PEV/2 16131 700 1115/12 H5/317 · 1/3 - 4/13 j2/7 500 3/11 TV/4 3/13 - 13/14 300

- 1/6 12/13 100 • 1/11 + 17/12 FIT 1/13 1500 1650 -12 LEVELS 180C 13 LEVELS-195-14 LEVELS 2100 11 LEVELS -

HEIGHT OF STRUCTURE IN FEET ABOVE GROUND LEVEL Page 13