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information in the air or private
operator certificate, or the route and
Glossary 443
approach inventory, under Part VII
or Subpart 4 of Part VI.
land aircraft
One not capable of normal
operations on water.
landing
For other than airships, coming into
contact with a supporting surface,
including actions immediately before
and after. Also, the act of bringing
an airship under restraint, plus any
acts immediately before and after.
large aeroplane
One with an MCTOW of more than
5 700 kg (12,566 pounds).
latent heat
Converting water (for example) from
one state to the other requires
energy, which originally comes from
the Sun’s rays as it is evaporated in
the first place, and is stored with the
vapour. While there, it is known as
latent, and released when the water
condenses. Latent heat becomes
involved when you change the form
of a substance without changing its
temperature.
launch weight
The total weight of a hang glider or
an ultra-light when ready for flight,
including equipment, instruments,
fuel or oil, but not occupants, float
equipment up to 34 kg (74.93 lbs), or
any ballistic parachute installation.
LDA
Landing Distance Available. The length
of a runway declared available and
suitable for the ground run of
landing aeroplanes.
lease
An agreement about the operation
of an aircraft for hire or reward that
specifies a commencement and a
termination date, and during the
term of which the lessee has legal
custody and control and the right to
exclusive possession and use of the
aircraft.
life-limited
Parts or a part that, as a condition of
the type certificate, may not exceed a
specified time, or number of cycles,
in service.
light turbulence
That which momentarily causes
slight, erratic changes in altitude or
attitude, or which causes slight, rapid
and somewhat rhythmic bumpiness
without appreciable changes in
altitude or attitude.
lighter-than-air aircraft
One supported in the atmosphere by
its own buoyancy.
limited supplemental type certificate
One applicable only to the
aeronautical products specified in it
by serial number or other unique
identification, including one issued
before October 10, 1996 under
section 214 of the Air Regulations.
low level airspace
That below 18,000 feet ASL within
Canadian Domestic Airspace.
maintenance
The overhaul, repair, required
inspection or modification, or
removal and installation of
components of, an aeronautical
product, not including elementary
work or servicing.
444 Canadian Professional Pilot Studies
maintenance release
A certification made after the
maintenance of an aeronautical
product, indicating that it was
performed under the applicable
provisions of CARs and the
standards of airworthiness.
Maintenance schedule
One required for inspections and
other maintenance of aircraft.
major modification
An alteration to the type design of
an aeronautical product with more
than a negligible effect on weight
and centre-of-gravity limits,
structural strength, performance,
power plant operation, flight
characteristics or other qualities
affecting airworthiness or
environmental characteristics.
major repair
A repair to an aeronautical product
with a type certificate that causes it
to deviate from the design defined
by the type certificate, with more
than a negligible effect on the weight
and centre-of-gravity limits,
structural strength, performance,
power plant operation, flight
characteristics or other qualities
affecting airworthiness or
environmental characteristics.
mandatory frequency
A VHF frequency in the Canada Air
Pilot or CFS for radio-equipped
aircraft in an MF area.
manoeuvring area
Part of an aerodrome, other than an
apron, for the take-off and landing
of aircraft and movement associated
with take-off and landing.
Manual of All Weather Operations
(Categories II and III)
One with information about
operating aircraft in various weather
conditions.
manufacture
The making, assembly and
fabrication (other than as a repair) of
aeronautical products, including, for
new aircraft, any work prior to the
first or export C of A, by the
manufacturer.
manufacturer
The holder of a type certificate for
an aeronautical product, or its
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