Appendix C. ICAO Difference for the United States
Below is a listing (not all inclusive) of abbreviations that we use frequently in a domestic NOTAM, but are not recognized ICAO contractions.
ARFF - Airport Rescue and Fire Fighting
ARINC - A system name for CPDLC
ARTCC - Air Route Traffic Control Center
ATCSCC - Air Traffic Control System Command Center
AUNICOM - Automated UNICOM
BC - Back Course
CTAF - Common Traffic Advisory Frequency
FDC - Flight Data Center
FICON - Field Condition
HIRL - High Intensity Runway Light
INFO - Information
LB - Pounds
LIRL - Low Intensity Runway Light
LOM - Compass locator at ILS outer marker
MALSR - Medium-Intensity Approach Lighting System with Runway Alignment Indicator Lights
MIRL - Medium Intensity Runway Lights
MU - Friction value representing runway surface conditions
NA - Not Authorized
ORIG - Original
PRN - Pseudo Random Noise
RVRM - Runway Visual Range Midpoint
RVRR - Runway Visual Range Rollout
RVRT - Runway Visual Range Touchdown
SAA - Special Activity Airspace
SAPT - Service Availability Prediction Tool
SITA - A system name for CPDLC
SSALR - Short Approach Lighting System with Runway Alignment Indicator Lights
TFR - Temporary Flight Restriction
VASI - Visual Approach Slope Indicator
VOR/DME - Navigational aid
UNICOM - Universal Communication
USPS - United States Postal Service