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ASC
ASC 1 American Standard Channel (structural
sections).
2 Aeronautical Systems Center (Wright-Patterson
AFB).
3 Ascend, ascending (ICAO).
4 Aviation Statistic[s] Center (Ottawa, Canada).
5 American Society for Cybernetics.
6 Aircraft-system controller.
7 Air Service Command (USAAF, defunct).
8 Air Support Command (RAF, defunct).
9 Aviation Safety Council (Taiwan).
10 Airborne strain counter.
11 Aerospace planning chart.
12 Airborne surveillance and control.
13 Airport Security Council [JFK International] (US).
14 Alternative simplified credit.
Ascap Automatic SSR-code assignment procedure.
Ascas Automated security-clearance approval system.
ASCB 1 Avionics synchronized control bus; commercial
counterpart to MIL-1553B (Sperry).
2 Avionics, or aircraft, standard communications bus.
ASCC 1 Air Standards Coordinating Committee (US,
UK, Canada, Australia, NZ).
2 Alternate Space Control Center, run by USN
1988–2005 (USAF).
ASCCA, ASC 2 A Air and Space Command and Control
Agency (USAF).
ASCE American Society of Civil Engineers.
ascending node Point at which body crosses to north side
of ecliptic.
ascent Rise of spacecraft from body other than Earth.
ASCIET All-Service Combined Identification
Evaluation Team (US).
ASCII American standard code for information interchange,
7-bit plus 8th bit for parity in serial transmissions.
ASCL Advanced sonobuoy communications link.
ASCM 1 Anti-ship cruise missile.
2 Advanced spaceborne computer module.
Ascon Airport surveillance and control [system]
(Alcatel).
Ascot, ASCOT 1 Airspace control and operations
training [simulator].
2 Aerial-survey control tool.
ASCPC Air-supply and cabin-pressure control[ler].
ASCS Aircraft-systems central system.
ASCSII Aerospace sensor component and subsystem
investigation and innovation (USAF).
ASCTU Air-supply controller/test unit.
ASCU Armament station control unit.
ASD 1 Accelerate/stop distance.
2 Aeronautical Systems Division (AFSC, USAF).
3 Aerospace Systems Directorate (NASA, Ames).
4 Average Sortie Duration.
5 Aircraft, or airborne, or air, situation display.
6 AeroSpace and Defence Industries Association of
Europe [formed 27 April 2004 by merger of Aecma,
EDIG, Eurospace and SBAC, office Brussels B-1200]
(Int.).
ASDA, ASDa 1 Accelerate/stop distance available.
2 Association Suisse de Droit Aérien (now ASDAS)
(Switzerland).
Asdar Aircraft-to-satellite data relay.
ASDAS Association Suisse de Droit Aérien et Spatial
(Switzerland).
ASG
ASDC 1 Alternative Space Defence Centre.
2 Armament signal data converter.
ASDCS Airspace surveillance display and control
system (WSMR).
ASDE 1 Airport surface, or airfield surveillance, detection
equipment (from 1952).
2 Air situation data exchange (NATO).
ASDF Air command and control Simulation and
Demonstration Facility.
ASDI Aircraft situation display indicator.
Asdic Armed Services Documents Intelligence Center
(US).
asdic Sonar, from “Anti-Submarine Detection
Investigation Committee”; UK term originally (1925)
applied to high-energy sound systems carried in surface
vessels.
ASDL 1 Airborne self-defence laser.
2 Aeronautical satellite data-link.
ASDR 1 Avionic systems demonstrator rig.
2 Airport surface detection [ie, surveillance] radar.
ASDS Aircraft-sound description system.
ASE 1 Airport support equipment.
2 Amalgamated Society of Engineers (US).
3 Autostabilization equipment.
4 Allowable steering error (HUD).
5 Auto slat extension (DC-10).
6 Aircraft survivability, or self-protection, equipment.
7 Aero servo-elastic [mode].
8 Altitude setting, or altimetry-system, error.
9 Airplane, single-engine; see ASEL, ASES.
Asean, ASEAN Association of SE Asian Nations.
Asecna Agence Pour la Sécurité de la Navigation
Aérienne (Africa & Malagasy) office Dakar, Senegal.
ASEDP Army Space Exploration Demonstration
Program (USA).
ASEE American Society for Engineering Education
[office, Washington, DC20036] (US).
ASEG All-Services Evaluation Group (USN).
ASEL 1 Airplane, single-engine, land.
2 A-weighted sound exposure level.
Asema Advanced special electronic mision aircraft
(USAF).
AS/EN.9100 Based on ISO.9001–2000, sets quality,
safety and technology standards in air transport [1977–]
(IAQG).
ASEP ACCS [Allied command and control system]
surveillance exploratory prototype (NATO).
ASES Airplane, single-engine, sea.
ASET 1 Aircraft survivability equipment trainer (threat
simulator).
2 Automatic scoring electronic target; A adds aircraft .
Asetma Asociación Sindical Española de Tecnicos de
Mantenimiento de Aeronaves [E-28042 Madrid] (Spain).
ASETS Airborne seeker evaluation test system.
ASF 1 Air Safety Foundation.
2 Aviation Sans Frontières [humanitarian, non-profit;
office Paris – Only] (Int., F).
3 Aircraft Servicing Flight (RAF).
4 Aeromedical staging facility/facilities.
ASFA Aviation Safety Foundation of Australia.
ASFC English translation “aero-sports federation of
China” [office, 100061 Beijing] (China).
AS4 Structural graphite/epoxy composite (Hercules).
ASG 1 Airborne system, gun (DoD hardware code).
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