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Snipag
Snipag Syndicat National des Industriels et Professionnels
de l’Aviation Générale [office, F-75009 Paris]
(F).
snips Hand shears for cutting sheet metal.
Snirfag Syndicat National des Industriels Réparateurs
et Fournisseurs de l’Aviation Générale (F).
SNL Sandia National Laboratory [NNSA] (US).
SNLE 1 Sous-marin nucléaire lanceur engins (missilefiring
submarine, F).
2 Subnetwork link establishment.
SNM Special nuclear material.
SNMP Simple network management protocol.
SNO Snow.
SNOE Smart noise operation equipment (ECM).
SNOINCR Snow depth increase in past hour.
Snomac Syndicat National des Officiers Mécaniciens de
l’Aviation Civile (F).
Snorac Syndicat National des Officiers Radios de
l’Aviation Civile (F).
snorkel Pipe through which a helitanker can refill its
tank[s] while hovering over a source.
Snort Supersonic naval ordnance rocket track.
snort Submarine schnorkel pipe, esp. tip seen on radar
above ocean.
Snorun Snow on runway.
snout In a gas-turbine engine with one or more drumlike
combustion chambers, the entrance for primary air
upstream of the burner, also called primary-air scoop.
Absent from annular chamber.
snow 1 Precipitation in form of feathery ice crystals
(BSI); better definition is: small (under 1 mm) grains,
granular *; long (2 + mm) grains, ice needles; large
agglomerations in form of flakes, *. Dry * is SG 0.2 to
0.35; wet * is 0.35 to 0.5.
2 Speckled interference on electronic display.
3 Air-intercept code: sweep jamming (ie display looks
like *).
Snowdrop Service Policeman (USAAF, from white
helmet; RAF term was snoop).
snow gauge Combination of rain gauge and vertical
measuring stick to determine snow moisture content.
snow lights Specially designed runway-edge lights which
stand above level of any snow yet snap off if struck by
aircraft.
snow pellets Small white opaque pellets of water/ice,
softer than hail.
snowplough mode Use of canards as airbrakes after
landing.
snow static Severe R/F interference caused by snow.
Snowtam Special-series Notam announcing presence or
removal of hazardous conditions due to snow, ice, slush
or standing water in association with these on movement
area.
SNPA Subnetwork point of attachment.
SNPC National civil protection (rescue) service (I).
SNPDU Subnetwork protocol data unit.
SNPL Syndicat National des Pilotes de Ligne (F).
SNPNAC Syndicat National du Personnel Navigant de
l’Aéronautique Civile; [F-75017 Paris] (F)
SNPNC SNPN Commerciale [F-75017 Paris] (F).
SNPO Space Nuclear-Propulsion Office (AEC, NASA)
SNPVAC Sindicato Nacional de Pessoal de Voo da
Aviacao Civil [civil aircrew, office, Lisbon] (Portugal).
SNR, S/NR Signal to noise ratio.
SOCJ
SNRS Sunrise.
SNS Secure network server.
SNSDU Subnetwork service data unit.
SNSH Snow showers.
SNST Sunset.
SNTA Syndicat National des Transporteurs Aériens
[office, Paris] (F).
snubber 1 Device which greatly increases stiffness of
elastic system whenever deflection or travel exceeds given
limiting value, eg rubber block to arrest travel of shock
suspension and special features (often hydraulic) to arrest
travel of actuator at full stroke.
2 Very loosely used to mean part-span shroud on fan
blade.
snubbered Fitted with one or more snubbers.
SNVQ Scottish National Vocational Qualification.
SNVS Stabilized night-vision system.
SNW Snow.
SNWFL Snowfall.
SNY Spanish navy [UK usage].
SNZF Sintered nickel/zinc ferrite (RAM).
SO 1 Second Officer.
2 Scout observation (USN aircraft category 1934-46).
3 Special order.
SOA 1 Spectrometric oil analysis.
2 State of the art.
3 Special Operations aircraft.
4 Space-surveillance network optical augmentation.
5 Separate operating agency.
6 Service-oriented architecture.
7 Soft-object animation.
SOACMS Special-operations aircraft combat-mission
simulator.
SOAG Special Operations Aviation Group (USA).
SoAG School of Air Gunnery.
soakdown Period after engine shutdown when heat is
dissipated from engines and, especially, wheel brakes.
Also called soaking.
SOAP, Soap 1 Spectrometric oil-analysis programme.
2 Simple object access protocol.
SOAR 1 Shuttle Orbiter applications and requirements.
2 Special Operations Aviation Regiment (USA).
soar To prolong sailplane flight by seeking upcurrents,
especially thermals.
Soarex Sub-orbital aerodynamic re-entry experiment[s].
SOAU Special-operations avionics upgrade.
SOAWS Satellite on-board attack warning system.
SOB 1 Souls on board, traditional maritime count of
everyone on board.
2 Stand-off bomb.
SOC 1 Struck off charge, no longer on unit strength.
2 Shut-off cock.
3 Sector Operations Centre (RAF).
4 Satellite, or systems, operations complex.
5 Start of climb.
6 Single overhead camshaft.
7 State of charge.
8 System on a chip.
9 See Socom.
S oc All-engines take-off distance (FAR).
SOCC 1 Sector Operations Control Centre.
2 Space Operations Control Center (NOAA, Suitland,
MD).
SOCJ Standoff communications jammer.
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