14 CFR Title 14 of the Code of Federal Regulations
91K Part 91 Subpart K (14 CFR)
A RNP Advanced Required Navigation Performance
AC Advisory Circular
ACARS Aircraft Communications Addressing and Reporting System
ADS-B Automatic Dependent Surveillance – Broadcast
ADS-C Automatic Dependent Surveillance – Contract
AEG Aircraft Evaluation Group
AFCS Automatic Flight Control System
AFM Airplane Flight Manual
AFMS Airplane Flight Manual Supplement
AFN ATS Facilities Notification
AFTN Aeronautical Fixed Telecommunication Network
AGL Above Ground Level
AIP Aeronautical Information Publication
AIR Aircraft Certification Service
ALTRV Altitude Reservation
AMC Acceptable Means of Compliance
ANP Actual Navigation Performance
ANSP Air Navigation Service Provider
AOA Airport Operations Area
AOC Airline Operational Control
APIS Advance Passenger Information System
ASEPS Advanced Surveillance-Enhanced Procedural Separation
ATC Air Traffic Control
ATM Air Traffic Management
ATN Aeronautical Telecommunications Network
ATN B1 Aeronautical Telecommunications Network Baseline 1
ATS Air Traffic Service
ATSU Air Traffic Service Unit
BOTA Brest Oceanic Transition Area
CF Coastal Fix
CFR Combined Federal Regulation
CHDO Certificate Holding District Office
CMO Certificate Management Office
CNS Communication, Navigation, and Surveillance
CPDLC Controller Pilot Data Link Communications
CSP Communication Service Provider
CTA Control Area
CTA/FIR Control Area/Flight Information Region
CVR Cockpit Voice Recorder
DCL Departure Clearance
DCPC Direct Controller Pilot Communications
DHS Department of Homeland Security
DLS IR Data Link Services Implementing Rule
DME Distance Measuring Equipment
DP Departure Procedure
DSP Data Link Service Providers
DTK Desired Track
FAA Federal Aviation Administration
FANS Future Air Navigation System
FDE Fault Detection and Exclusion
FDR Flight Data Recorder
FGS Flight Guidance System
FIR Flight Information Region
FL Flight Level
FMC Flight Management Computer
FMS Flight Management System
FRT Fixed Radius Transition
FS Flight Standards Service
FSDO Flight Standards District Office
GNSS Global Navigation Satellite System
GPS Global Positioning System
HF High Frequency
HFDL High Frequency Data Link
HLA High Level Airspace
ICAO International Civil Aviation Organization
INF Inland Navigation Fix
INS Inertial Navigation System
IRS Inertial Reference System
IRU Inertial Reference Unit
ITP In Trail Procedure
KCM Known Crew Member
LEO Law Enforcement Officer (civilian)
LNAV Lateral Navigation
LOA Letter of Authorization
LRN Long Range Navigation
LRNS Long Range Navigation System
M-LRNS Multiple Long-Range Navigation Systems
MASPS Minimum Aircraft System Performance Specifications
MEL Minimum Equipment List
MNPS Minimum Navigation Performance Specification
MNT Mach Number Technique
MSpec Management Specification
NAR North American Route
NAT North Atlantic
NAT North Atlantic Track
Nav Spec Navigation Specification
NM Nautical Mile
NOTA Northern Oceanic Transition Area
NOTAM Notice to Airmen
NOV Notice of Violation
NSE Navigation System Error
OAC Oceanic Area Control Center
OCA Oceanic Control Area
OEM Original Equipment Manufacturer
OpSpec Operation Specification
OTS Organized Track System
PANS-ABC Procedures for Air Navigation Services – Abbreviations and Codes
PANS-AD Procedures for Air Navigation Services – Aerodrome
PANS-AIM Procedures for Air Navigation Services – Aeronautical Information Management
PANS-ATM Procedures for Air Navigation Services – Air Traffic Management
PANS-OPS Procedures for Air Navigation Services – Aircraft Operations
PANS-TRG Procedures for Air Navigation Services – Training
PBN Performance Based Navigation
PF Pilot Flying
PI Principal Inspector
PM Pilot Monitoring
POH Pilot’s Operating Handbook
POI Principal Operations Inspector
PRM Preferred Route Message
R/T Radio Telephony
RA Resolution Advisory
RADAR Radio Detection and Ranging
RAIM Receiver Autonomous Integrity Monitoring
RCP Required Communication Performance
RLatSM Reduced Lateral Separation Minimum
RLongSM Reduced Longitudinal Separation Minimum
RNAV Area Navigation
RNP Required Navigation Performance
RSP Required Surveillance Performance
RVSM Reduced Vertical Separation Minima
S-LRNS Single Long-Rage Navigation System
SAO Special Areas of Operation
SATCOM Satellite Communications
SB Service Bulletin
SBAS Satellite Based Augmentation System
SELCAL Selective Calling
SES Single European Skies
SIDA Security Identification Display Area
SIS Signal in Space
SLOP Strategic Lateral Offset Procedure
SOC Statement of Compliance
SOTA Shannon Oceanic Transition Area
SSR Secondary Surveillance RADAR
STC Supplemental Type Certificate
STC Supplemental Type Certificate
TA Traffic Advisory
TC Type Certificate
TMI Track Message Identification
TOAC Time of Arrival Control
TSA Transportation Security Administration
TSE Total System Error
TSO Technical Standard Order
UTC Coordinated Universal Time
VDL VHF Datalink
VDL-A VHF Data Link
VDLM2 VHF Data Link Mode 2
VDR VHF Data Radio
VHF Very High Frequency
WAH When Able Higher
WATRS West Atlantic Route System
WGS World Geodetic System
WPR Waypoint Position Report
Z Zulu

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