ATS |

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

ATS 3.46 SECTORLESS ATM

As the industry is pushing to implement flight-centric ATM, there is a need to evaluate the benefits and potential concerns related to these systems. New challenges related to their implementation will require the adoption of a set of guidelines to … Continued

ATS 3.15 (ADVANCED) STRATEGIC LATERAL OFFSET PROCEDURES

Strategic Lateral Offset Procedures (SLOP) are mitigating the risk of vertical collision and wake turbulence encounters between aircraft with high precision navigation capabilities. Provisions of SLOP are published in ICAO Doc 4444 (PANS-ATM) as special procedures for oceanic and remote … Continued

ATS 3.31 DYNAMIC SLOT TRADING PROCESS

User Driven Prioritization Process (UDPP) is a new concept designed to allow airspace users to have input into the allocation of delay in capacity constrained situations. UDPP will take advantage of other new concepts such as Collaborative Decision Making (CDM) … Continued

ATS 3.47 VFR AND SVFR FLIGHTS

IFATCA Policy is: Information regarding VFR flights should be published on VFR charts. ANSPs should consider the impact of VFR/SVFR flights on the workload of Air Traffic Controllers, and mitigations should be put in place if required. If VFR/SVFR … Continued

ATS 3.16 THE USE OF SAFETY NETS IN ATM

The use of safety nets within the ATM system has been established for many years. The scope of safety nets has extended to be not only airborne based but ground based as well. There is a move to extend their … Continued

ATS 3.32 RECATEGORIZATION OF AIRCRAFT FOR WAKE TURBULENCE

In recent years, there have been a number of initiatives to review and update the wake turbulence categories defined by ICAO and the corresponding state variations. IFATCA Policy is: Any aircraft wake turbulence recategorisation shall: Conduct appropriate safety assessments, including … Continued

ATS 3.1 REPLACEMENT FLIGHT PLANS

Where owing to ATFM restrictions upon the initial flight plan route, the initial plan is cancelled and a new plan filed there is a need to ensure that the replacement flight plan can be identified as such. Procedures to achieve … Continued

ATS 3.17 CONFLICT DETECTION TOOLS

Conflict Detection Tools (CDTs) are computer based Controller Tools that identify conflicts and then provide system generated conflict advice to controllers. CDTs can either provide conflict detection continually or provide one-off probes (modelling to assess the potential conflicts on an … Continued