Document UT-MT-0728
Page 4 of 14
Edition 13/11/2018
LED STANAG LUMINOUS DISTANCE SIGNS LSDS
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
1
GENERAL
The internally illuminated LSDS signs are designed to provide to the pilot the following different
indications by day and by night:
a)
the runway distance remaining from the runway end in thousand of feet;
b)
the position of the pendant cables for arrester hook engagement;
c)
the position where the pendant cables must be used to stop in case of failed take-off.
Colours may be White or Yellow on Black back ground; signs are available as single or double
faced.
The signs described in this manual are manufactured to be used on airport series circuits,
through isolating transformers, powered by 5-step (2.8A - 6.6A), 3-step (4.8A-6.6A), 1-step (6.6A)
Constant Current Regulators.
Consult STANAG Specs 3316 and/or national military rules for sign features and use.
2
CLASSIFICATION OF SIGNS
The signs described in this manual are designed and manufactured in accordance with the
requirements of STANAG 3316, the design being in compliance with FAA AC 150/5345-44 Specs
too.
2.1
Types
Runway Distance signs
White number on black background
Arrester Cable signs
Yellow disk on black background
Arrester Cable Use signs (for failed take-off)
White “X” on black background
Table 1 – Type of signs
2.2
Legend Sizes
Height of numbers:
1000 mm
Width of the numbers:
600 mm max (number "4") - 200 mm min (number "1")
Diameter of the disk:
1000 mm
Height of "X":
1000 mm
Width of "X":
1000 mm
Table 2 – Characters
