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container delivery
underfloor *, IATA A1 (LD3) 92 in 60.4 in 64 in; A2
(LD1) 79 in 60.4 in 64 in.
2 Standard ASR package dropped to aircrew in dinghy.
container delivery Standard military airdrop supply of
from one to 16 bundles of 1,000 kg (2,200 lb) each.
containment Demonstrated ability to retain every part
within machine, following mechanical breakup of portion
or whole of moving machinery. Applies particularly to
gas-turbine engines, certification of which usually
prohibits ejection of fragments even through inlet or
nozzle.
containment casing Specially designed ring structure
surrounding a fan or other rotating part.
contaminate Aerospace meanings include transfer of
terrestrial germs and other organisms to spacecraft
sterilized for mission, transfer of unwanted atoms to
single-crystal (eg semi-conductor) materials, and deposit
and/or absorption and/or adsorption of any NBC
material on friendly surfaces.
contaminated fuel Fuel containing any unwanted
material, including water or ice.
contaminated runway Surface all or partly covered with
water, snow, slush, blown sand or foreign objects capable
of causing damage.
Contap Consol Technical Advisory Panel.
Conticell Proprietary low-density sandwich structure.
contingency air terminal Mobile air-transportable unit
providing all necessary functions to handle air transport
at combat airfield.
contingency plan Drawn up and implemented by military
commander or civil manager in event of failure of
original plan, for anticipated reasons.
contingency power Exceptional power available from
engine[s] of multi-engined aircraft after failure of another;
in Concorde * was 5 per cent above normal reheat T-O
rating. See next.
contingency rating Power levels required of helicopter
and VTOL engines in emergency conditions, time-limited
[usually to from 1.5 to 30 min] and normally requiring
subsequent special inspection (see maximum **, intermediate
**).
contingency retention item Surplus to requirements but
authorised for retention to meet unpredicted contingency.
contingent effects Those of nuclear detonation other
than primary effects.
continuation trainer Trainer aircraft for experienced
pilots, esp. those in desk jobs.
continued airworthiness Maintaining [old] aircraft to
ensure that they always comply with whatever requirements
are in force and are in a condition for safe flight.
continuity line Portion of line system diagram in cockpit
or other human interface superimposed on push-button
or magnetic indicator.
continuous airborne deterrent Maintenance of bombers
armed with live NW at high altitude round the clock, to
ensure capability of MAD 3.
continuous beam Single structural member having more
than two supports.
continuous-descent approach Especially important at
night, philosophy of eliminating stacking and enabling
every arrival to avoid power settings for level flight.
continuous-element system Fire-detection system
comprising either electrical circuit or gas-filled tube;
heating any part sends signal.
contractor-furnished equipment, CFE
continuous-flow system See constant-flow oxygen.
continuous half rolls Display/competition manoeuvre in
which numerous half rolls are made, marking being on
accuracy of intermediate wings-level positions, which are
held very briefly.
continuous ignition In a gas-turbine engine flying
through hazardous conditions [tropical rain or severe
hailstorm], continuous operation of the ingniter[s].
continuous-path machining Shaping of workpiece by
cutter traversing unbroken path, esp. this form of NC
control and machine program.
continuous strip Film produced by ** photography,
using ** camera, in which ** film passes at constant speed,
related to speed of aircraft, past slit in optical focal plane.
continuous wave, CW, c.w. EM waves repeated without
breaks indefinitely, usually with constant amplitude and
length (frequency); ie, not pulsed.
continuum Spectral region in which absorption or emission
is continuous, with no discrete lines.
continuum flow See free-molecule flow.
Contour Comet-nucleus tour (NASA).
contour 1 On topographic map or chart, line joining all
points of equal surface elevation above datum (eg MSL).
2 On * chart, line joining all points of equal elevation
(height above or below datum, eg MSL, and above or
below ground or sea surface) of selected pressure surfaces.
Thus can plot * of 1,000 mb surface at -120 ft, MSL and
+120 ft.
3 On weather radar, area blanked out in centre of
display of storm cell, or whenever return level exceeds
given threshold.
contour capability 1 Of mapping radar, ability to display
all ground above selected height above MSL or other
datum.
2 Of weather radar, ability to make contour display.
contour display Radar display in which all echoes above
given strength are cancelled. Normally used in viewing
storm clouds. With CONTOUR operative cloud echo has
black centre showing region of greatest precipitation (and
assumed greatest gust severity). With colour radar each
contour has distinctive hue.
contour flying Normally denotes holding constant small
height AGL, ie not following contours (1) but terrain
profile (see NOE).
contour interval Difference in height between adjacent
contours (1, 2).
contour template Hard copy of profile of 2-D or 3-D
shape, eg for tunnel throat, press tool, form block.
contract definition phase Important process in procurement
linking end of feasibility study and other conceptual
phases with full hardware development, CDP involves
collaboration with one or more industrial contractors and
can involve detailed computer study and hardware test to
establish what is to be bought and on what terms.
Contracting State Sovereign country party to an international
agreement.
contraction Duct of diminishing cross-section through
which fluid is flowing; eg front part of venturi.
contraction ratio 1 In subsonic tunnel, ratio of
maximum cross-section to that at working section.
2 In supersonic tunnel, ratio of cross-sectional area just
ahead of contraction to that at throat (can be variable).
contractor-furnished equipment, CFE Hardware, software
or, rarely, specialist knowledge or experience,
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