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SDC Signal Data Converter
! {7 p* Y9 {1 X# o [; VSDU Satellite data unit.
! R5 k3 ]% [+ H2 E! B9 ^9 GSE Single-Engine ' H( k. D7 `" x* c, v! _, q2 V
SEA LEVEL ENGINE a reciprocating aircraft engine having a rated takeoff power that is producible only at sea level
9 o5 ?6 F8 X, X4 w" ^/ p1 f; C' jSEALION (SEEL–WE) the planned invasion of Britain in September 1940 ( n% L; r) G9 g: d$ h. ^! f/ o
SEAPLANE An airplane that has floats, or pontoons, attached to allow it to land on water.
. L7 i; x1 X, C) U) MSEARCH PATTERN Basic guidance mode; provides lateral steering guidance to fly an expanding square search pattern, creeping line search pattern, or sector search patt...
+ u# Y' X6 v8 A* zSECOND IN COMMAND a pilot who is designated to be second in command of an aircraft during flight time
$ S3 N4 S5 k. H9 oSECOND-ORDER FILTER. A smoothing filter in which the output follows the input, only more slowly; It is usually implemented in software as a difference equation of period T...
( F1 u. d6 ? f1 F4 ~SECTOR SEARCH A pattern of concentric arcs followed for searching the ground from an aircraft; Compare: creeping line search, expanding square search; , x9 p- F7 T/ `' k; D0 n/ N+ m, z
SEEBURG TISCH SEEBURG TABLE; Glass screen on which the German night fighter controllers plotted the course of the raid 8 J' k5 ^. p% R% g) L6 J
SEL Single-Engine Land
( n7 I1 z% I# a5 R- x7 USELCAL Selective Calling system (used primarily with HF)
4 ]& v& W+ _. E5 sSELECTED Measured data picked from one of many sensors; Selecting is the process of choosing the "best" parameter from multiple copies of that parameter, from ...
' C0 ^: K4 z; R9 |6 c0 ?SELF TEST A test internal to a device
* Q# Q, e4 ?4 JSEMI-CIRCLE A measure of angle, 1 semi-circle = pi rad = 180 deg; angles from physical devices are often reported in semi-circles in order to compress data
6 X; ^* j) Y) oSENSOR A device that measures, receives, or generates data, for example, an INS, a FLIR, a map. See Also: Data Source Object 1 M- h* {* @1 n$ e
SENSOR FUSION/CORRELATION (SFC) Measure of convergence of sensor data : `& p8 u; z; l! v& x
SEP Spherical error probability
2 \, C, p1 R+ |SEPARATION MINIMA The minimum longitudinal, lateral, or vertical distances by which aircraft are spaced through the application of air traffic control procedures.
, r5 V k3 I7 D, h, b: jSERRATE ; RAF airborne radar used to home on the German night fighters` Lichtenstein bomber detection equipment.
. K9 v! o7 g( B7 j! y; i& BSERVICE CEILING The altitude above sea level beyond which an airplane can no longer climb more than 30 m(100 ft) per minute. , p. c# I6 D4 K, I
SERVO The radio component which does the work of moving a control surface. 4 P# c! A+ Z; Q) }0 J3 h
SERVO OUTPUT ARM The removable arm or wheel which bolts to the output shaft of a servo and connects to the pushrod. - D, c' ^- B" @ }
SFC Sensor Fusion/Correlation ' R( E7 ?# j- m
SFE Single-Engine Piston
" _; K9 F1 B5 v6 A- W: b' A' TSFTS Service Flying Training School
! y) D8 a, p" b7 K, {( l# ^SG Sub-Group (of Euro control Working Groups) |
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