UFC 3-535-01
17 November 2005
MIRL--Medium Intensity Runway Edge Lights
MTBF--Mean-Time-Between-Failure
MUTCD--Manual of Uniform Traffic Control Devices (Air Force use AFPAM 32-1097,
Sign Standards Pamphlet)
NATO--North Atlantic Treaty Organization
NAVAID--Navigational Aid
NEC--National Electrical Code (NFPA 70)
NEMA--National Electrical Manufacturers' Association
ODALS--Omnidirectional Approach Lighting System
OFZ--Obstacle Free Zone
PAPI--Precision Approach Path Indicator
PAR--Precision Approach Radar
PLASI--Pulsed Light Approach Slope Indicator
PLC--Programmable Logic Controllers
RAIL--Runway Alignment Indicator Lights
RCL--Runway Centerline Lights
RDM--Runway Distance Markers
REIL--Runway End Identifier Lights
RGL--Runway Guard Lights
RMS--Root Mean Squared
RPI--Runway Point of Intercept
RPM--Revolutions Per Minute
RRP--Runway Reference Point
RVR--Runway Visual Range
SALS--Short Approach Light System
SAMS--Sign and Marking Supplements
SCR--Silicon Controlled Rectifier
SFL--Sequenced Flashing Lights
SSALR--Simplified Short Approach Light System with Runway Alignment Indicator
Lights
STANAG--Standardization Agreement
TACAN--Tactical Air Navigation
TCH--Threshold Crossing Height
TDZL--Touchdown Zone Lights
TERPS--Terminal Instrument Procedures
UL--Underwriter's Laboratory
USAASA--US Army Aeronautical Service Agency
UPS--Uninterruptible Power Supply
VFR--Visual Flight Rules
VLA--Visual Landing Aids
VMC--Visual Meteorological Conditions
Terms
Approach Light Plane--An imaginary plane that passes through the beam centers of
the lights in the system. The plane is rectangular, centered on the ALS centerline,
starting at the landing threshold and extending 60 meters (200 feet) beyond the last light
272
Previous Page
