SID
Standard Instrument Departures
DP
Departure procedure
Typically RNAV 1
STAR
Standard Terminal Arrival
NoPT
No Procedure Turn Required (Authorized)
CPT
Clearance Prior to Taxi
TDZE
Touchdown Zone Elevation
TCH
Threshold Crossing Height
Theoretical height above the runway threshold at which the aircraft’s glideslope antenna would be if the aircraft maintains the trajectory established by the ILS
RAIL
Runway Alignment Indicator Lights
RCLS
Runway Centerline Lights
HIRL
High Intensity Runway Lights
ALSF-1
Approach Lighting System with Sequence Flashing Lights, Category 1 Configuration
NDB
Non-Directional Radio Beacon
DME
Distance Measuring Equipment
ILS
Instrument Landing System
What is a compass locator?
NDB coupled with a marker beacon
-Locator Middle Marker (LMM) (Middle compass locator)
-Locator Outer Marker (LOM)(Outer Compass Locator)
LDA
Localizer-type directional aid
Aircraft Approach Category
A grouping of aircraft based on 1.3 times the stall speed, in landing configuration, at max gross landing weight.
WAAS
Wide area augmentation system
FMS
Flight management system
RNP
Required navigation performance
RNAV 2
Used for en route operations
NAT HLA
North Atlantic High Level Airspace
FL285 to FL420
REIL
Runway end identifier lights
On or near the threshold
RCLM
Runway Centerline Marking