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AAS 1.04 REQUIRED NAVIGATION PERFORMANCE (RNP) and AREA NAVIGATION (RNAV)

Area Navigation (RNAV) is defined as a method of navigation which permits aircraft operation on any desired flight path within the coverage of station-referenced navigation aids or within the limits of the capability of self contained aids, or a combination … Continued

AAS 1.17 SPACE WEATHER

Space weather can affect satellite-based navigation and communication systems and present a health risk to aircrew and passengers. In addition, the difficulty of forecasting the occurrence and severity of space weather events accurately and the dissemination of that information present … Continued

ADME 2.13 AUTONOMOUS RUNWAY INCURSION WARNING SYSTEM (ARIWS)

Autonomous runway incursion warning system (ARIWS) is a system which provides autonomous detection of a potential incursion or of the occupancy of an active runway and a direct warning to a flight crew or a vehicle operator. ARIWS uses available … Continued

ATS 3.14 SYSTEM DEFENCES DURING PLANNED SYSTEM DEGRADATION

Planned System Degradation could be any potential reduction in the availability, reliability or integrity of any part of the ATM system, known in advance to the user of the system. IFATCA Policy is: Risk assessment and appropriate mitigation should be … Continued

ATS 3.30 TRANSPONDER MANDATORY ZONES

Transponder Mandatory Zones (TMZ), defined areas in which the carriage of an operational transponder is required, have been implemented in several states to improve safety. IFATCA Policy is: All aircraft operating as IFR flights shall be equipped with a pressure-altitude … Continued

COM 4.6 DIRECT CONTROLLER – PILOT COMMUNICATIONS

As data link becomes an important means of delivering ATS, there are crucial questions that shall be answered before this technology is used for safety-critical communications. This need is especially true where a data link communications system is the primary, … Continued

Terrain Clearance and Airspace Design

52ND ANNUAL CONFERENCE, Bali, Indonesia, 24-28 April 2013 WP No. 89 Terrain Clearance and Airspace Design Presented by TOC Summary The increasing usage of structured departure and arrival procedures, including PBN operations, has brought to light existing ambiguities in current … Continued

Guidelines on Mental Fitness

56TH ANNUAL CONFERENCE, Toronto, Canada, 15-19 May 2017 WP No. 160 Guidelines on Mental Fitness Presented by PLC Summary Mental health problems can affect the way one think, feel and behave and in a safety critical profession the reaction to, … Continued

Pronunciation of Words And Five Letter Naming Codes

55TH ANNUAL CONFERENCE, Las Vegas, USA, 14-18 March 2016 WP No. 162 Pronunciation of Words and Five Letter Naming Codes Presented by TOC Summary Standardizing the pronunciation of alphabets, words and phrases has provided a simpler language set between ATC … Continued

Review policy on Frequency Blocking

45TH ANNUAL CONFERENCE, Kaohsiung, Taiwan, 27-31 March 2006 WP No. 92 Review policy on Frequency Blocking Presented by TOC Introduction 1.1. At the 44th Annual IFATCA Conference in Melbourne, Technical policy on RTF Frequency usage was accepted. At that time, … Continued