Fr: circulation près du sol
“How do you read?”
An expression used in radiocommunication meaning “What is the readability of my transmission?”
Fr: . Comment recevez-vous? .
I

IAF Abbreviation for: initial approach fix Fr: IAF
IAP Canada: Abbreviation for: instrument approach procedure Fr: IAP
IAS Abbreviation for: indicated airspeed Fr: IAS
IAWP Abbreviation for: initial approach waypoint Fr: IAWP
ICAO Abbreviation for: International Civil Aviation Organization Fr: OACI
icing conditions Weather conditions conducive to the formation of ice on an aircraft in flight. These conditions are usually characterized by visible moisture in the air and temperatures around the freezing level. Pilots encountering icing conditions are urged to issue a pilot weather report (PIREP) immediately. Fr: conditions de givrage
IF Abbreviation for: intermediate fix
. see: intermediate approach fix
Fr: IF
IFIM
U.S.: Abbreviation for: International Flight Information Manual
IFR Abbreviation for: instrument flight rules Fr: IFR
IFR aircraft
An aircraft operated in accordance with instrument flight rules (IFR).
Fr: aéronef IFR
IFR control service
A service provided by ATC units including:
(a)
area control service; and

(b)
terminal control service.

Fr: service de contr.le IFR
IFR flight
A flight conducted in accordance with instrument flight rules (IFR).
Fr: vol IFR
IFR landing minimums
The minimums prescribed for landing a civil aircraft while using an instrument approach procedure (IAP).
. also called: landing minimums
Fr: minimums d’atterrissage IFR
IFR military training route U.S.: Expression for: low level tactical training route
. abbreviation: IR
IFSS Abbreviation for: international flight service station Fr: IFSS
ILS Abbreviation for: instrument landing system Fr: ILS
ILS critical area An area of defined dimensions in the vicinity of localizer (LOC) and glide path (GP) antenna arrays within which vehicle and aircraft operations may interfere with the radio signal transmitted by the ILS. Fr: zone critique de l’ILS
ILS glide path angle
The angle between a straight line representing the mean of the ILS glide path (GP) and the horizontal.
Fr: angle de site de l’alignement de descente ILS
ILS reference datum A point at a specified height that is located vertically above the intersection of the runway centreline and the threshold and through which the downward extended straight portion of the glide path (GP) passes. Fr: point de référence ILS