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COPPER-WIRE, AMERICAN WIRE GAUGE B&S B&S

GAUGE NO.

OHMS PER 1 000 FEET 25°C., 77°F.

AREA CIRCULAR

MILS

DIAMETER IN MILS AT 20°C.

APPROXIMATE POUNDS PER

1,000 FEET (305 m)2 0.1593 66,370 257.6 201 4 0.2523 41,740 204.3 126 6 0.4028 26,250 162.0 79 8 0.6405 16,510 128.5 50

10 1.018 10,380 101.9 31 12 1.619 6,530 80.81 20

Calculations

1. To determine the AWG size wire necessary for a specific connected load to maintain the proper voltage

for each miscellaneous lighting visual aid, use the above table and Ohms Law REI = as follows:

a. Example. What size wire will be necessary in a circuit of 120 volts AC to maintain a 2 percent voltage drop with the following connected load which is separated 500 feet from the power supply?

(1) Lighted Wind Tee Load - 30 lamps, 25 watts each = 750 watts.

(2) The total operating current for the wind tee is amperesvoltswattsI 25.6

120750

=== .

(3) Permissible voltage drop for homerun wire is 120 volts x 2% = 2.4 volts.

(4) Maximum resistance of homerun wires with a separation of 500 feet (1,000 feet (305 m) of wire

used) to maintain not more than 2.4 volts drop is ohmsamperesvolts

IER 384.0

25.64.2

=== per

1,000 feet (305 m) of wire.

(5) From the above table, obtain the wire size having a resistance per 1,000 feet (305 m) of wire that does not exceed 0.384 ohms per 1,000 feet (305 m) of wire. The wire size that meets this requirement is No. 4 AWG wire with a resistance of 0.2523 ohms per 1,000 feet (305 m) of wire.

(6) By using No. 4 AWG wire in this circuit, the voltage drop is E=IR=6.25-amperes x 0.2523 ohms=1.58 volts which is less than the permissible voltage drop of 2.4 volts.

2. Where it has been determined that it will require an extra large size wire for homeruns to compensate for voltage drop in a 120-volt power supply, one of the following methods should be considered.

a. A 120/240-volt power supply.

b. A booster transformer, in either a 120-volt or 120/240-volt power supply, if it has been determined its use will be more economical.

Figure 68. Calculations for Determining Wire Size.

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Figure 69. Typical Automatic Control.

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Figure 70. 120-Volt AC and 48-Volt DC Remote Control.

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Figure 71. Typical Structural Beacon Tower.

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L-802A AIRPORT ROTATING BEACON

OPTIONAL 8' LONGLIGHTNING RODS (3)

52'-'6"NOMINAL BEACONMOUNTING HEIGHT

51'-0"NOMINAL

7' Ø BEACON BASKET

HANDHOLE 18" ABOVE BASE PLATE ANOTHER AT25' ABOVE BASE PLATE LEVEL

BEACON POLE FOUNDATION

12"

CLIMBING RUNGS

CLIMBER SAFETY DEVICE (TOP)

CLIMBER SAFETY DEVICE (BOTTOM)

24"

BEACON POLE PAINTING DETAIL(ITEMS NOT SHOWN

OMITTED FOR CLARITY)

7'-6" APPROX ORANGE STRIPE

7'-6" APPROXWHITE STRIPE

Figure 72. Typical Tubular Steel Beacon Tower.

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L-802A AIRPORT ROTATING BEACON

OPTIONAL 8' LONGLIGHTNING ROD

55'-0"NOMINAL BEACONMOUNTING HEIGHT

HANDHOLE

HANDHOLE

HAND POWERED WINCHWITH REMOVABLEHAND CRANK (HIDDEN)

BEACON POLEHINGE LOCATION

BEACON POLEFOUNDATION

BEACON MOUNTING PLATE

BEACON POLE PAINTING DETAIL(ITEMS NOT SHOWN

OMITTED FOR CLARITY)

7'-10" APPROX ORANGE STRIPE

7'-10" APPROXWHITE STRIPE

Figure 72a. Typical Airport Beacon Tip-Down Pole

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Figure 73. Typical Pre-fabricated Beacon Tower Structure.

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SUPPLEMENTAL WIND CONE CANNOT BE INSTALLED WITHIN THE RSA.

SUPPLEMENTAL WIND CONE CANNOT BE INSTALLED WITHIN THE OFA UNLESS THERE ISOPERATIONAL NEED. DOCUMENTATION MUST BE PROVIDED TO EXPLAIN REASON FORLOCATION. MUST BE MOUNTED ON FRANGIBLE STRUCTURE.

PREFERRED WIND CONE LOCATION OUTSIDE OF OFA.

OBJECT FREE AREA (OFA)

RUNWAY SAFETY AREA (RSA)

1,000 FT [305 M]NOTES:

SEE AC 150/5300-13 FOR DETAILED INFORMATION ABOUT THE LENGTH AND WIDTH OF THE RSA AND OFA - DIMENSIONS OF BOTHAREAS ARE DEPENDENT UPON THE AIRPLANE DESIGN GROUP AND AIRCRAFT APPROACH CATEGORY.

THE OBSTACLE FREE ZONE (OFZ) IS NOT SHOWN. SEE AC 150/5300-13 FOR DETAILED INFORMATION. THE SUPPLEMENTAL WINDCONE MUST NOT PENETRATE THE OFZ.

THE PREFERRED LOCATION FOR THE SUPPLEMENTAL WIND CONE LOCATION IS BETWEEN 0 AND 1,000 FT FROM THE RUNWAY END.

2.

3.

1.

Figure 74. Typical Location of Supplemental Wind Cone.

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Figure 75. Externally Lighted Wind Cone Assembly (Frangible).

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1000

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±20'

200'

200'

+100

'-0

'

Figure 76. Typical Layout for MALSF.

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Figure 77. Typical Layout for Runway End Identifier Lights (REILs).

AC 150/5340-30D 9/30/2008 Appendix 1

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300 ±25'

300 ±25'

300 ±25'

300 ±25'

300 ±25'

1,200 ±100'

STROBE NUMBER 3 OPTICAL HEAD(POWER SUPPLY REMOTELY INSTALLED)

+35'-0'

REMOTE LOCATION (OPTIONAL) FORPOWER SUPPLY UNIT OF STROBE NUMBER 3

AS REQUIRED

TYPICAL LOCATION OF SYSTEM POWER AND CONTROL UNIT

150' MAXIMUM

150' 40'

ODAL LIGHTS 6A AND 6B ARE IN LINE WITH RUNWAY THRESHOLDEXISTING RUNWAY

EDGE LIGHTING SYTEM 6A6B

5

4

3

2

1

CLRUNWAY

EXTENDED

OMNIDIRECTIONAL STROBE LIGHT(OPTICAL HEAD AND POWER SUPPLY UNIT)TYPICAL FOR UNITS 1, 2, 4, 5, 6A AND 6B

Figure 78. Typical ODALS Layout

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THE VISUAL GLIDE PATH ANGLE IS THE CENTER OF THE ON-COURSE ZONE, AND IS A NOMINAL 3 DEGREES WHEN MEASUREDFROM THE HORIZONTAL SURFACE OF THE RUNWAY.

A. FOR NON-JET RUNWAYS, THE GLIDE PATH MAY BE RAISED TO 4 DEGREES MAXIMUM TO PROVIDE OBSTACLE CLEARANCE.

B. IF THE PAPI GLIDE PATH IS CHANGED TO A HIGHER ANGLE FROM THE NOMINAL 3 DEGREES, IT MUST BE COMMUNICATED IN A NOTICE TO AIRMAN (NOTAM) AND PUBLISHED IN THE AIRPORT FACILITY DIRECTORY.

PAPI OBSTACLE CLEARANCE SURFACE (OCS).

A. THE PAPI OCS PROVIDES THE PILOT WITH A MINIMUM APPROACH CLEARANCE.

B. THE PAPI MUST BE POSITIONED AND AIMED SO NO OBSTACLES PENETRATE ITS SURFACE.(1) THE OCS BEGINS 300 FEET [90M] IN FRONT OF THE PAPI SYSTEM.(2) THE OCS IS PROJECTED INTO THE APPROACH ZONE ONE DEGREE LESS THEN AIMING ANGLE OF THE THIRD LIGHT

UNIT FROM THE RUNWAY FOR AN L-880 SYSTEM, OR THE OUTSIDE LIGHT UNIT FOR AN L-881 SYSTEM.

NOTES:

1.

2.

DISTANCE FROM THRESHOLD CHOSENTO GIVE CORRECT TCH AND OCS

PAPI(4 OR 2 LIGHTUNITS)

OBSTACLE CLEARANCESURFACE (OCS)BEGINS*

PAPI OCS ANGLE = LOWEST ON-COURSE AIMING ANGLE - 1 DEGREE

THRESHOLD CROSSING HEIGHT (TCH) TABLE 1.

OBSTACLE CLEARANCE

LOWEST ON-COURSE

SURFACE (OCS)*

AIMING ANGLE*300 FEET

50 FEET +10-0

20 TO 30 FEET

4 MILE RADIUS

10°

10°

Figure 79. PAPI Obstacle Clearance Surface.

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(1) Above correct glide path All lamps white.

(2) Slightly above correct glide path. 3 white, 1 red.

(1) Above the correct glide path: 2 white lamps.

(3) On the correct glide path. Two white, two red.

(4) Slightly below the correct glide path. 1 white, 3 red.

(2) On the correct glide path: 1 white, 1 red.

(5) Below the correct glide path: All red.

(3) Below the correct glide path: Two red lamps.

Type L-880 Type L-881

NOTE: The PAPI is a system of either four or two identical light units placed on the left of the runway in a line perpendicular to the centerline. The boxes are positioned and aimed to produce the visual signal shown above.

Figure 80. PAPI Signal Presentation.

10

10

10

10

10

10

10

10

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REFERENCE PLANE

AIMING ANGLE OR

VISUAL APPROACH PATH

TCH

T

RUNW AY

D1

d

IDEAL RRP

RRP

e

θ

θ

e

RRP

IDEAL RRP

d

D1

RUNW AY

T

TCH

AIMING ANGLE OR

VISUAL APPROACH PATH

REFERENCE PLANE

Siting station displaced toward threshold

ideal (zero gradient) distance from threshold

runway longitudinal gradient

threshold crossing height

threshold

elevation difference between threshold and RRP

runway reference point (where aim ing angle or visual approach path intersects runway profile)

adjusted distance from threshold

aim ing angle

percent slope of runway = e/dS =

=

d =

RRP =

e =

T =

TCH =

RW Y =

D1 =

θ

SYMBOLS:

Siting station displaced from threshold

d =TCH

- Sθtan

S

S

(S is used in decimal form in the equations)

d =TCH + e

θtan

Figure 81. Correction for Runway Longitudinal Gradient.

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Figure 82. General Wiring Diagram for MALSF with 120-Volt, AC Remote Control.

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Figure 83. Typical Wiring Diagram for MALSF Controlled from Runway Lighting Circuit.

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Figure 84. Typical Field Wiring Circuits for MALSF.

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Figure 85. Typical Installation Details for Frangible MALS Structures – 6 foot (1.8 m) Maximum.

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Figure 86. Typical Wiring for REILs Multiple Operation

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Figure 87. Typical Wiring for REIL Series Operation

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Figure 88. FAA L-880 Style B (Constant Current) System Wiring Diagram.