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duplicate of an original military
aircraft.
required inspection
An inspection of an aeronautical
product required by a maintenance
schedule, an airworthiness limitation
or an AD, except where the AD
specifies that it may be done by a
crew member.
required take-off distance
the one-engine-inoperative take-off distance
or 115% of the all-engines-operating
take-off distance, whichever is greater.
required take-off run
The one-engine-inoperative take-off run or
115 per cent of the all-engines-operating
take-off run, whichever is greater.
required visual reference
That portion of the approach area of
the runway, or those visual aids that,
when viewed by the pilot of an
aircraft, enable the pilot to assess the
aircraft position and rate of change
of position, to continue and
complete a landing.
restricted airspace
airspace of fixed dimensions in the
Designated Airspace Handbook within
which flight is restricted under
conditions specified in it.
rocket
A projectile containing its own
propellant and that depends on a
reaction set up by the release of a
continuous jet of rapidly expanding
gases.
RVR
Runway Visual Range. The range over
which the pilot of an aircraft on the
centre line of a runway can expect to
see the surface markings or lights
delineating it, or identifying the
centre line.
RVR A
RVR detection equipment next to
the runway threshold.
RVR B
RVR detection equipment next to
the runway mid-point.
safety belt
A personal restraint system with
either a lap strap or a lap strap
combined with a shoulder harness.
safety pilot
One who acts as a lookout for
another pilot operating an aircraft in
simulated instrument flight.
Glossary 449
saturated vapour
That in contact with its liquid at the
same temperature. Vapours used in
refrigeration systems are saturated.
saturation temperature
The boiling or vapourisation point
of a liquid. The boiling point can
change according to the pressure, for
example, water boils at a lower
temperature when at altitude - in
fact, it doesn't even have to be hot in
some circumstances. Thus, if you
want to stop a liquid boiling, subject
it to high pressure.
SCATANA plan
Security Control of Air Traffic and
Navaids Plan. The measures to be
implemented by Her Majesty in right
of Canada under the North American
Aerospace Defence Command (NORAD)
Agreement for an air defence
emergency.
scheduled air service
A publicly available air transport
service for transporting passengers
between points under a published
schedule at a charge per seat.
scheduled maintenance
That performed at predetermined
intervals under CARs, a maintenance
schedule or an AD.
sensible Heat
As opposed to latent heat, that
which changes the temperature of a
substance without changing its form.
serviceable
Fit and safe for flight.
servicing
Cleaning, lubricating and
replenishment of fluids not requiring
disassembly.
shoulder harness
Any device for restraining the upper
torso of a person, with a single
diagonal or dual upper torso straps.
sightseeing operation
Aerial work in which passengers are
disembarked at the point of
departure.
small aircraft
One with a maximum permissible
take-off weight of 5 700 kg (12,566
pounds) or less, or a helicopter with
a maximum permissible take-off
weight of 2 730 kg (6,018 pounds) or
less.
Southern Domestic Airspace
Airspace so specified, and
delineated, in the Designated Airspace
Handbook.
special aviation event
An air show, low level air race,
aerobatic competition, fly-in or
balloon festival.
special VFR flight
A VFR flight authorized by ATC
within a control zone under VMC,
under Division VI of Subpart 2 of
Part VI.
specialty air services
Aerial mapping, aerial surveying,
aerial photography, forest fire
management, fire fighting, aerial
advertising, glider towing, parachute
jumping, aerial construction, helilogging,
aerial sightseeing, flight
training, aerial inspection and
450 Canadian Professional Pilot Studies
surveillance and aerial spraying
services.
standard of airworthiness
The description, in terms of a
minimum standard, of the properties
and attributes of the configuration,
material and performance or physical
characteristics of an aeronautical
　
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