navigation acronyms, abbreviations and definitions - International ...

IETT Institute of European Trade and Technology
IF inertial frame
IF initial fix
IF instrument flying
IF integrity flag (GNSS)
IF intermediate frequency
iFACTS Interim Future Area Control Tools Support (UK NATS)
Advanced support tools to enable ATC controllers to increase
amount of traffic they can handle.
IFALPA International Federation of Airline Pilots’ Associations
IFATCA International Federation of Air Traffic Controllers' Associations
Represents ~ 40,000 air traffic controllers in >100 countries.
IFCS integrated flight control system
IfEN Institute of Geodesy and Navigation (Univ FAF Munich, Germany)
IFF Identification Friend or Foe (system)
IFFAS International Financial Facility for Aviation Safety
IFFT Inverse Fast Fourier Transform
IFN Institut Français de Navigation
IFO intermediate fuel oil
IFOG interferometric fibre-optic gyro
IFR instrument flight rules
IFSMA International Federation of Shipmasters’ Associations (London base)
IFTA instrument flying training area
IGA international general aviation
All international civil aviation ops other than scheduled air services and
non-scheduled air transport ops for remuneration or hire.
IGC Code International Gas Carriers’ Code
Includes equipment in ships carrying liquified gases in bulk.
IGEB Interagency GPS Executive Board (disestablished)
Replaced by the National Space-Based Positioning, Navigation
and Timing (PNT) Executive Committee Aug 05.
IGEMS Improved GEMS
IGEX International GLONASS Experiment
IGN French National Geographic Institute
IGO inter-governmental organisation
IGP ionospheric grid point (eg for SBAS)
IGS Innovation and Growth Strategy (eg Space IGS)
IGS instrument guidance system
IGS International GNSS Service
IGSAGS Integrated Global Surveillance and Guidance System
IGSO inclined geosynchronous orbit
Satellite height of ~36,000 km inclined to equatorial plane.
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March 2012