In addition to tas the advanced version of acas known

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In addition to TAs, the advanced version of ACAS known as ACAS- II, also issues Resolution Advisories (RAs) alerting the pilot to take evasive action for avoidance of collision. For example: 1. CLIMB; CLIMB; CLIMB 2. CLIMB - CROSSING CLIMB; CLIMB - CROSSING CLIMB; 3. DESCENT; DESCENT; DESCENT 4. REDUCE DESCEND; REDUCE DESCEND 5. INCREASE CLIMB; INCREASE CLIMB 6. MONITOR VERTICAL SPEED; MONITOR VERTICAL SPEED 7. CLEAR OF CONFLICT, and so on... ACAS-III ACAS-III provides vertical as well as horizontal Resolution Advisories in addition to Traffic Advisories. ACAS-IV ACAS-IV is being designed to meet the operational requirements of Free Flight and Future Air Navigation Systems (FANS) and may include GPS composition capabilities, horizontal Resolution Advisories, extended Range and other enhancement over existing TCAS/ACAS equipment. Similar type higher versions of the equipment are also under development. Limitations of ACAS ACAS has got a limitation that both the aircraft which are coming within the close proximity to each other must be equipped with ACAS on board, in order to have Traffic Advisories (TAs) as well as Resolution Advisories (RAs). However, in case the intruding (c) UPES, Not for Reproduction/ Sale
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UNIT 3: Crew Alerting Management Notes ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ aircraft is not fitted with ACAS, still the alert warning in the form of Traffic Advisories (TAs) will be received by the pilot. Looking into all these aspects, Govt. of India has made it mandatory for passenger aircraft to get themselves equipped with ACAS System. Check Your Progress Fill in the blanks: 1. ACAS has got a limitation that both the aircraft which are coming within the close proximity to each other must be equipped with ACAS on board, in order to have ………………….. as well as ……………………. . 2. ……………………. provides vertical as well as horizontal Resolution Advisories in addition to Traffic Advisories. Various Types of Emergencies There can be a number of aircraft emergencies, which may create various problems for the pilot. ATC is the first and most important unit to interact with the pilot during aircraft emergencies. Some such problems are discussed below: Abandoned Take-off The Pilot can abort take-off, in case of any problem during T/O provided the aircraft has not crossed the V1 speed. Engine Failure on Take-off If an engine fails during or immediately after T/O, the Pilot normally tries to land straight without delay. ATC will provide full assistance to clear the runway and divert all other traffic. Precautionary Landing A precautionary landing is made by the pilot when the aircraft and engines may be functioning normally, however, there may be some small problem causing the pilot to take the landing as a precautionary step. Activity Prepare a project report on aircraft emergency handling system and procedure.
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  • Fall '19
  • Instrument approach, Runway, Rajiv, Aviation Safety & Security Management

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