ICAO : Annex14 Vol. 1, Para 5.3.5
FAA : AC 150/5345-28, L-880
KS : KS W 5051(Korean Standard)
The Precision Approach Path Indicator (PAPI) units provide two colours approach path indication from a wing bar arrangement.
A standard wing bar comprises four units. Both units meet ICAO and FAA recommendations. The three-lamp unit allows the system to be fully operational even with one of the lamps out of order.
FEATURES
? No special tools or instruments required for servicing.
? Easy lamp replacement without the need of tools
? Light whight and strudy structure resisting high velocity wind and jet blast
? Four adjustable mounting legs for the accurate setting of the unit
? Breakable coupling with 2 inch 11 TPI thread
? Optical system comprising a 200W pre-focused tungsten halogen lamp,
a 99.99% pure aluminum reflector, polished and protected by anodic oxidation of about 3 micrometers thickness, a through-coloured red glass filter and two high quality lenses in each beam to provide a constant transition zone which will not overpass 3 minutes of arc in any case
? Long lamp life 1000 hours at full brilliancy.
? Optical tilt-switch available