Airspace classified as:
(a)
Class F advisory (CYA), Class F restricted (CYR) or Class F danger (CYD), which can be controlled airspace, uncontrolled airspace or a combination of both;
(b)
military operations area (MOA), (below FL 180 in the U.S.);
(c)
ATC-assigned airspace (Military Area) (ATCAA) (FL 180 and above in the U.S.);
(d)
airspace restricted by NOTAM for forest fire aircraft operating restrictions; and
(e)
other airspace restricted by NOTAM to cover specific situations such as oil-well fires, disaster areas, etc.
. abbreviation: SUA
Fr: espace aérien à statut spécial
special VFR flight A visual flight authorized by an ATC unit to operate within a control zone (CZ) under meteorological conditions that are below visual meteorological conditions (VMC).
. abbreviation: SVFR
Fr: vol VFR spécial
speed adjustment An ATC procedure used to request pilots to adjust aircraft speed to a specific value to provide the desired separation. Fr: réglage de la vitesse
speed brake
Movable aerodynamic devices on aircraft that reduce indicated airspeed.
. also called: dive brake
Fr: aérofrein
sponsor
The person or agency responsible for the organization and conduct of a special aviation event.
Fr: organisateur
squawk (to)
To activate a specific mode, code or function on an aircraft transponder.
Fr: afficher
“Squawk ident”
A request for a pilot to activate the aircraft transponder identification feature.
Fr: . Affichez ident .
SSR Abbreviation for: secondary surveillance radar Fr: SSR
SSR code A four-digit octal number received from the aircraft transponder when it is interrogated by a secondary surveillance radar (SSR). Fr: code SSR
SSR mode A letter or number assigned to a specific pulse spacing of the interrogation signals transmitted by an interrogator.
. also called: mode
Fr: mode SSR
stack Other expression for: holding stack
standard altimeter setting A pressure setting of 29.92 in. that, when set on the subscale of the sensitive altimeter, will cause the altimeter to read zero when at mean sea level. Fr: calage altimétrique standard
standard instrument departure An IFR ATC departure procedure published in the Canada Air Pilot (CAP) for pilot and controller use. SIDs may be either:
(a)
pilot navigation SIDs: SIDs where the pilot is required to use the applicable SID chart as reference for navigation to the en route phase; or
(b)
vector SIDs: SIDs established where ATC will provide radar navigational guidance to a filed or assigned route, or to a fix depicted on the applicable SID chart. Pilots are expected to use the SID chart as a reference for navigation until the vector is commenced.
. abbreviation: SID
Fr: départ normalisé aux instruments
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