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cam ring
cam ring Ring inside crankcase of radial piston engine
geared to crankshaft and having sequence of lobes to
operate inlet and exhaust valves of all cylinders in that
row.
CAMS 1 Combat aviation management system (USA).
2 Control and monitoring system.
camshaft Shaft equipped with cams aligned with valve
gear of cylinders of in-line piston engine.
Camsim Canadian airspace management simulator.
CAMU Central avionics management unit (databus).
CAN 1 Committee on Aircraft Noise (ICAO).
2 Correio Aereo Nacional [national air mail] (Brazil).
can 1 Individual flame tube of can-annular combustion
chamber.
2 Complete combustion chamber of multi-combustor
engine.
3 Five-sided box projecting into integral wing tank to
accommodate slat track.
4 Controlled-environment weapon container.
Canadian break Max-rate 360° turn.
can-annular See cannular.
canard 1 Tail-first aerodyne, usually with auxiliary
horizontal surface at front (foreplane) but vertical surface
(fin, rudder) at rear.
2 Foreplane or nose yaw control fitted to * (1).
cancel 1 To terminate complete R&D or hardware
programme.
2 To countermand order.
3 To deactivate activity (eg, * reverse thrust).
C&C 1 Command and control.
2 Cross & Cockade International [society; Bristol BS16
2TL, but founded in US in 1959] (UK).
C&DH Communications and data-handling.
candela SI unit of luminous intensity 1/683 W/sr [monochromatic
at 5.4 x 10 14 Hz], abb. cd; [in US sometimes
called candle].
candle 1 Former unit of luminous intensity (based on
Harcourt pentane lamp).
2 Of parachute canopy, to become so constrained by
rigging lines as to fail to deploy.
candlepower Former measure of rate of emission of light
by source, usually in given direction, abb. cp; see candela,
luminous flux/intensity.
C&M Care and maintenance.
C&W Control, or caution, and warning.
CANES Codes addresses numériquement à nombre
d’entrées sélectionnable, = PCM (F).
CAN 5 Committee on Aircraft Noise, rules for new
aircraft types (ICAO).
canister Preferred term for tubular TEL(4) for SAMs.
canned cycle Complete routine for particular computerised
process, such as drilling and reaming a hole in
NC machining.
cannibalise To dismantle aircraft or other hardware to
provide spare parts.
cannibalisation rate Actual number of item in given
period.
canning Loading gun ammunition into magazine tank,
box or drum.
cannon Generally, gun of calibre 20 mm [0.7874 in] or
greater.
Cannon plug Vast range of electrical connectors (trade
name, ITT Industries).
cannular Annular combustion chamber containing
cap
separate flame tubes, each of which may have a ring of
burners.
canoe fairing Boat-shaped covering over tracks for areaincreasing
flaps and other wing movables.
canoe radar Aircraft radar whose radome has canoe-like
shape.
canonical time unit Time required for hypothetical satellite
in geocentric equatorial orbit, with centre of satellite
coincident with surface of Earth, to move distance
subtending 1 radian at centre: 13.447 minutes.
canopy 1 Fairing, usually transparent, over flight crew
or, in lightplane, all occupants, which does not form part
of airframe and slides or pivots for entry and exit.
2 Rarely, transparent fairing over flight crew which
does form part of airframe and is not used for entry/exit.
3 Main deployable body of parachute.
4 Another name for the envelope of a balloon.
CANP 1 Collision-avoidance notification procedure.
2 Civil air [or aircraft or aviation] notification procedure,
tells military of low-level [305m, 1,000ft] civil
activity (UK).
CANS Civil air navigation school.
Canso Civil Air-Navigation Services Organization (Int.,
based Netherlands).
cant angle 1 Angle between centreline of winglet and
local vertical [OZ axis], seen from head-on.
2 Angle between biplane interplane strut and local
vertical, seen from head-on.
Cantass Canadian towed-array sonar system.
canted deck Angled deck.
canted nozzle Nozzle of jet engine, usually turbojet or
rocket, whose axis is fixed and not parallel to centreline of
engine or motor or to line of flight, but passes close to
vehicle c.g.
cantilever Structural member, such as beam, rigidly
attached at one end only. Thus * wing is monoplane
without external struts or bracing wires.
cantilever ratio Semi-span divided by maximum root
depth.
Canukus Standards agreed by Canada, Australia, New
Zealand, UK, US.
CAO Combined Air [now Air and Space] Operations [C
adds Center, CC Command Centre, CS Center for Space].
CAOOA Civil Air Operation Officers Association of
Australia [office, Melbourne].
CAP 1 Civil Air Patrol (US, from 1941, office at
Maxwell AFB).
2 Combat air patrol or carrier air patrol.
3 Continuing Airworthiness Panel, and study group
on ** problems (ICAO).
4 Chloroacetophenone (tear gas, also called CN).
5 Civil Air Publication (various countries).
6 Contractor assessment program (US).
7 Consolidation by atmospheric pressure, an
advanced powder metallurgy process (Cyclops).
8 Combat ammunition production (USAF).
9 Crew alert[ing] panel.
10 Control anticipation parameter [which see].
11 Capacity.
12 Contact approach.
13 Club Aviazione Popolare [homebuilders, office,
Varese] (Italy).
cap 1 Extreme nose structure of aerostat (see bow *).
2 See flight *.
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