noun a luminous electrical discharge sometimes seen on aircraft during storms
SALR abbreviation saturated adiabatic
lapse rate salvage /slv.d/ verb to save items of property which may be in danger of being lost . In the event of a crash land-ing in a remote area on land, an attempt should be made to salvage all items of survival equipment from the wreckage including beacons, rafts and raft equip-ment.
sample /sɑmp.l/ noun a small amount which is representative of the whole . If a sample of fuel taken from a tank was found to be hazy or cloudy in appearance, this would indicate the presence of water in suspension. . If fuel contamination by water is sus-pected, a sample of fuel should be drained from the tank for inspection.
sandwich /snw.d/ noun a con-struction of three layers, the material of the one in the middle being different from the two on each side . Standard connectors consist of a metal coupling with a rubber sandwich joint.
SAR abbreviation 1. special aerodrome report 2. search and rescue (ICAO)
SAS 202
SAS abbreviation stability augmenta-tion system
satellite /st.la.t/ noun an object launched to orbit the earth, usually receiving and transmitting signals, pic-tures and data . Satellite communica-tions improve the effective distribution of world area forecasts.
satellite navigation /st(.)la.t nv.e..(.)n/, satellite navigation system noun a system of navigation which uses orbiting satellites to deter-mine the position of an aircraft or point, in relation to the Earth’s surface. Abbre-viation SATNAV
satisfactory /st.sfkt(.)ri/
adjective adequate, good enough . For satisfactory operation, an engine requires an adequate supply of oil.
‘…during the engine run-up, check that the use of carburettor heat gives a satisfactory drop in rpm or manifold pressure’ [Civil Aviation Authority, General Aviation Safety Sense Leaflet]
satisfy /st.sfa./ verb 1. to meet a particular prescribed standard . Shell Avgas 100LL satisfies British specifica-tion. 2. to meet the needs or require-ments of something . To satisfy the requirements of aviation there are three types of meteorological offices for avia-tion, each with a specific role to fulfil.
SATNAV /stnv/ abbreviation sat-
ellite navigation
saturate /st..re.t/ verb to cause a substance to combine with the greatest possible amount of another substance .
When a sample of air contains the max-imum amount of water vapour for its particular temperature, it is said to be saturated. . lapse rate
saturation /st..re..(.)n/ noun
the state of being filled with the maxi-mum amount of something which can be absorbed, e.g. a sample of air which contains the maximum amount of water vapour for its temperature . The vari-ous types of fog are classified by the manner in which saturation is reached.
. the moisture in the air reached sat-uration point and fell as rain the air could absorb no more water
saturation point /st..re..(.)n p..nt/ noun the level at which no more of a substance can be absorbed
|
