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- Airborne_collision_avoidance_system abstract "An airborne collision avoidance system (ACAS) is a type of Ground Collision Avoidance Technology (GCAT) that operates independently of ground-based equipment and air traffic control in warning pilots of the presence of other aircraft that may present a threat of collision. If the risk of collision is imminent, the system indicates a maneuver that will reduce the risk of collision. ACAS standards and recommended practices are mainly defined in annex 10, volume IV, of the Convention on International Civil Aviation. Much of the technology being applied to both military and general aviation today has been undergoing development by NASA and other partners since the 1980s.A distinction is increasingly being made between ACAS and ASAS (airborne separation assurance system). ACAS is being used to describe short-range systems intended to prevent actual metal-on-metal collisions. In contrast, ASAS is being used to describe longer-range systems used to maintain standard en route separation between aircraft (5 nm {9.25 km} horizontal /1000' {305 m} vertical).As of 2009, the only implementations that meets the ACAS II standards set by ICAO are Versions 7.0 and 7.1 of TCAS II (Traffic Collision Avoidance System) produced by three manufacturers: Rockwell Collins, Honeywell and ACSS (Aviation Communication & Surveillance Systems; an L-3 Communications and Thales Avionics company).As of 1973, the United States Federal Aviation Administration (FAA) standard for transponder minimal operational performance, Technical Standards Order (TSO) C74c, contained errors which affect both air traffic control radar beacon system (ATCRBS) radar and Traffic Collision Avoidance System (TCAS) abilities to detect aircraft transponders. First called \"The Terra Problem\", there have since been individual FAA Airworthiness Directives issued against various transponder manufacturers in an attempt to repair the operational deficiencies, to enable newer radars and TCAS systems to operate. Unfortunately, the defect is in the TSO, and the individual corrective actions to transponders have led to significant differences in the logical behavior of transponders by make and mark, as proven by an FAA study of in-situ transponders.AIS-P is a modification which both corrects the transponder deficiencies (the transponder will respond to all varieties of radar and TCAS), then adds an Automatic Independent Surveillance with Privacy augmentation. The AIS-P protocol does not suffer from the saturation issue in high density traffic, does not interfere with the Air Traffic Control (ATC) radar system or TCAS, and conforms to the internationally approved Mode S data packet standard. It awaits member country submission to the ICAO as a requested approval.Modern aircraft can use several types of collision avoidance systems to prevent unintentional contact with other aircraft, obstacles, or the ground: Airborne Radar can detect the relative location of other aircraft, and has been in military use since World War II, when it was introduced to help night fighters (such as the de Havilland Mosquito and Messerschmitt Bf 110) locate bombers. While larger civil aircraft carry weather radar, sensitive anti-collision radar is rare in non-military aircraft. Traffic collision avoidance system (TCAS), which actively interrogates the transponders of other aircraft and negotiates collision-avoidance tactics with them in case of a threat. TCAS systems are relatively expensive, and tend to appear only on larger aircraft. They are effective in avoiding collisions only with other aircraft that are equipped with functioning transponders with altitude reporting. a Portable Collision Avoidance System (PCAS) is a less expensive, passive version of TCAS designed for general aviation use. PCAS systems do not actively interrogate the transponders of other aircraft, but listen passively to responses from other interrogations. PCAS is subject to the same limitations as TCAS, although the cost for PCAS is significantly less. FLARM is a small-size, low-power device (commonly used in gliders or other light aircraft) which broadcasts its own position and speed vector (as obtained with an integrated GPS) over a license-free ISM band radio transmission. At the same time it listens to other devices based on the same standard. Intelligent motion prediction algorithms predict short-term conflicts and warn the pilot accordingly by acoustical and visual means. FLARM incorporates a high-precision WAAS 16-channel GPS receiver and an integrated low-power radio transceiver. Static obstacles are included in FLARM's database. No warning is given if an aircraft does not contain an additional FLARM device. a Ground proximity warning system (GPWS), or Ground collision warning system (GCWS), which uses a radar altimeter to detect proximity to the ground or unusual descent rates. GPWS is common on civil airliners and larger general aviation aircraft. a Terrain awareness and warning system (TAWS) uses a digital terrain map, together with position information from a navigation system such as GPS, to predict whether the aircraft's current flight path could put it in conflict with obstacles such as mountains or high towers, that would not be detected by GPWS (which uses the ground elevation directly beneath the aircraft). One of the best examples of this type of technology is the Auto-GCAS (Ground Collision Avoidance System) and PARS (Pilot Activated Recovery System) that was installed on the entire USAF fleet of F-16's in 2014. Synthetic vision provides pilots with a computer-generated simulation of their outside environment for use in low or zero-visibility situations. Information used to present warnings is often taken from GPS, INS, or gyroscopic sensors. Obstacle Collision Avoidance System is a ground based system that uses a low powered radar mounted on or near the obstacle. The radar detects aircraft in the proximity of the obstacle and firstly warns aircraft via flashing medium intensity lights and secondly warns aircraft of the obstacle via a VHF broadcast. No additional equipment is required on board the aircraft.Large, sophisticated aircraft may use several or all of these systems, while a small general aviation aircraft might have only PCAS or benefit from the OCAS system, or no collision-avoidance system at all (other than the pilot's situational awareness).".
- Airborne_collision_avoidance_system thumbnail F-16D_ACAT_Aircraft.jpg?width=300.
- Airborne_collision_avoidance_system wikiPageExternalLink www.flarm.com.
- Airborne_collision_avoidance_system wikiPageExternalLink ACAS.
- Airborne_collision_avoidance_system wikiPageID "2829963".
- Airborne_collision_avoidance_system wikiPageLength "8106".
- Airborne_collision_avoidance_system wikiPageOutDegree "40".
- Airborne_collision_avoidance_system wikiPageRevisionID "690941994".
- Airborne_collision_avoidance_system wikiPageWikiLink Acronyms_and_abbreviations_in_avionics.
- Airborne_collision_avoidance_system wikiPageWikiLink Air_traffic_control.
- Airborne_collision_avoidance_system wikiPageWikiLink Air_traffic_control_radar_beacon_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Airworthiness_Directive.
- Airborne_collision_avoidance_system wikiPageWikiLink Automatic_dependent_surveillance_–_broadcast.
- Airborne_collision_avoidance_system wikiPageWikiLink Avionics.
- Airborne_collision_avoidance_system wikiPageWikiLink Category:Aircraft_collision_avoidance_systems.
- Airborne_collision_avoidance_system wikiPageWikiLink Category:Avionics.
- Airborne_collision_avoidance_system wikiPageWikiLink Category:Safety_equipment.
- Airborne_collision_avoidance_system wikiPageWikiLink Category:Warning_systems.
- Airborne_collision_avoidance_system wikiPageWikiLink Chicago_Convention_on_International_Civil_Aviation.
- Airborne_collision_avoidance_system wikiPageWikiLink Collision_avoidance.
- Airborne_collision_avoidance_system wikiPageWikiLink De_Havilland_Mosquito.
- Airborne_collision_avoidance_system wikiPageWikiLink FLARM.
- Airborne_collision_avoidance_system wikiPageWikiLink Federal_Aviation_Administration.
- Airborne_collision_avoidance_system wikiPageWikiLink General_aviation.
- Airborne_collision_avoidance_system wikiPageWikiLink Global_Positioning_System.
- Airborne_collision_avoidance_system wikiPageWikiLink Ground_proximity_warning_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Honeywell.
- Airborne_collision_avoidance_system wikiPageWikiLink International_Civil_Aviation_Organization.
- Airborne_collision_avoidance_system wikiPageWikiLink L-3_Communications.
- Airborne_collision_avoidance_system wikiPageWikiLink Messerschmitt_Bf_110.
- Airborne_collision_avoidance_system wikiPageWikiLink Obstacle_Collision_Avoidance_System.
- Airborne_collision_avoidance_system wikiPageWikiLink Portable_collision_avoidance_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Radar.
- Airborne_collision_avoidance_system wikiPageWikiLink Radar_altimeter.
- Airborne_collision_avoidance_system wikiPageWikiLink Rockwell_Collins.
- Airborne_collision_avoidance_system wikiPageWikiLink Synthetic_vision_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Terrain_awareness_and_warning_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Thales_Group.
- Airborne_collision_avoidance_system wikiPageWikiLink Traffic_collision_avoidance_system.
- Airborne_collision_avoidance_system wikiPageWikiLink Transponder.
- Airborne_collision_avoidance_system wikiPageWikiLink Weather_radar.
- Airborne_collision_avoidance_system wikiPageWikiLink Wide_Area_Augmentation_System.
- Airborne_collision_avoidance_system wikiPageWikiLink World_War_II.
- Airborne_collision_avoidance_system wikiPageWikiLink File:F-16D_ACAT_Aircraft.jpg.
- Airborne_collision_avoidance_system wikiPageWikiLink File:PCAS_Xrx.jpg.
- Airborne_collision_avoidance_system wikiPageWikiLinkText "ACAS".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "Airborne collision avoidance system".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "Ground collision avoidance system".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "airborne collision and avoidance systems".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "airborne collision avoidance radar".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "airborne collision avoidance system".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "anti-collision warning system".
- Airborne_collision_avoidance_system wikiPageWikiLinkText "collision avoidance".
- Airborne_collision_avoidance_system wikiPageUsesTemplate Template:Aircraft_components.
- Airborne_collision_avoidance_system wikiPageUsesTemplate Template:Clarify.
- Airborne_collision_avoidance_system wikiPageUsesTemplate Template:Refimprove.
- Airborne_collision_avoidance_system wikiPageUsesTemplate Template:Reflist.
- Airborne_collision_avoidance_system subject Category:Aircraft_collision_avoidance_systems.
- Airborne_collision_avoidance_system subject Category:Avionics.
- Airborne_collision_avoidance_system subject Category:Safety_equipment.
- Airborne_collision_avoidance_system subject Category:Warning_systems.
- Airborne_collision_avoidance_system hypernym Technology.
- Airborne_collision_avoidance_system type Company.
- Airborne_collision_avoidance_system type Instrument.
- Airborne_collision_avoidance_system type Avionic.
- Airborne_collision_avoidance_system type Collision.
- Airborne_collision_avoidance_system type Component.
- Airborne_collision_avoidance_system type Hazard.
- Airborne_collision_avoidance_system type Instrument.
- Airborne_collision_avoidance_system type Redirect.
- Airborne_collision_avoidance_system comment "An airborne collision avoidance system (ACAS) is a type of Ground Collision Avoidance Technology (GCAT) that operates independently of ground-based equipment and air traffic control in warning pilots of the presence of other aircraft that may present a threat of collision. If the risk of collision is imminent, the system indicates a maneuver that will reduce the risk of collision.".
- Airborne_collision_avoidance_system label "Airborne collision avoidance system".
- Airborne_collision_avoidance_system sameAs Q1063898.
- Airborne_collision_avoidance_system sameAs Sistem_anti_tabrakan_pesawat_terbang.
- Airborne_collision_avoidance_system sameAs ACAS.
- Airborne_collision_avoidance_system sameAs 航空機衝突防止装置.
- Airborne_collision_avoidance_system sameAs 항공기충돌방지장치.
- Airborne_collision_avoidance_system sameAs Airborne_collision_avoidance_system.
- Airborne_collision_avoidance_system sameAs Sistema_Anticolisão_de_Bordo.
- Airborne_collision_avoidance_system sameAs m.085ddg.
- Airborne_collision_avoidance_system sameAs ACAS.
- Airborne_collision_avoidance_system sameAs Q1063898.
- Airborne_collision_avoidance_system wasDerivedFrom Airborne_collision_avoidance_system?oldid=690941994.
- Airborne_collision_avoidance_system depiction F-16D_ACAT_Aircraft.jpg.
- Airborne_collision_avoidance_system isPrimaryTopicOf Airborne_collision_avoidance_system.