Installation; Fixture Placement - OCEM 3 Series Use And Maintenance Manual

3

INSTALLATION

3.1

Fixture placement

The signalling devices, in combination with horizontal and vertical fixtures, provide information to the pilots and
therefore represent a fundamental driving aid.
These devices must always be in operating condition and must be clean, maintained and, if necessary, replaced
as soon as their visibility is affected.
The chromatic features of signalling optical devices must be compliant with the dispositions of competent bodies
and with the regulations in force.
For the features of the fixtures always refer to the requirements of the relevant Standards:
• FAA AC150/5345-28H Precision Approach Path indicator (PAPI) Systems: L-880 - System
consisting of 4 light units; L-881 - System consisting of 2 light units
• ICAO Annex 14 Part 1 from 5.3.5.23 to 5.3.5.40 ‑ PAPI and APAPI
• UFC 3-535-01 (§3-7 - PAPI 4 LHA)
The light sources must be positioned near the runway oriented towards the approach direction to the landing
runway. The side walls of the LHA unit must be to parallel to the runway edge. The positioning of the light units of
the runway must be in compliance with current regulations.
For the positioning of the fixtures always refer to the requirements of the relevant Standards:
• FAA 150/5340-30J for the design and the installation of the visual aids in the airports.
• ICAO Annex 14 Part 1 from 5.3.5.23 to 5.3.5.40 ‑ PAPI and APAPI
• UFC 3-535-01 (§3-7 - PAPI 4 LHA)
• DGAC 20580/DNA/2A
UT-MT-0972_1.0_19-09-2022 (EN)
Use and Maintenance Manual
LED PAPI 66
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