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 MIL-HDBK-1023/4
Table A-4
Runway End Identifier Lights (REIL)
Tolerance / limit
Parameter
Standard
Initial
Operating
1. Light units operational
All
All
All
2. Flashing rate
2 fpm
2 fpm
a. Unidirectional type
120 fpm
2 fpm
2 fpm
b. Omnidirectional type
60 fpm
5%
3%
3. Input voltage
120 V or 240 V
4. Alignment
(unidirectional)
a. Vertical
1 degree
-1 degree
(1) With baffles
3 degrees
+2 degrees
2 degrees
1 degree
(2) Without baffles
10 degrees
b. Horizontal
2 degrees
1 degree
(1) With baffles
10 degrees
2 degrees
1 degree
(2) Without baffles
15 degrees
(away from runway
centerline)
2 degrees
1 degree
5. Light leveling
Level
(omnidirectional)
Same as standard
6. Obstructions due to
No obstruction
Same as
vegetation, etc.
standard
119
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