TPM |

ATS 3.22 MISSED APPROACH PROCEDURES FOR VISUAL APPROACHES

The procedure that an aircraft should follow during a go-around following a visual approach is often not clear to the ATC or the pilot as several options for a missed approach procedure exists. These include the missed approach procedure for … Continued

ATS 3.21 SURVEILLANCE: IN-TRAIL PROCEDURES ITP

IFATCA Provisional Policy is: When using ADS-B ITP, proper mitigation shall be in place to account for misidentification by the pilot due to incorrect input of FlightID. See: WP 85 – Dubrovnik 2009

ATS 3.20 ENVIRONMENTAL ISSUES IN ATM

There are several environmental issues in ATM. Aircraft noise and aircraft emissions are the issues that have the greatest impact on efficiency and safety. The normal order of priority in air traffic control is: safety, efficiency and “finally” environmental issues. … Continued

ATS 3.19 MINIMUM SAFE ALTITUDE WARNING SYSTEMS

There continues to be an unacceptable high level of Controlled Flight into Terrain (CFIT) accidents. Although there are enhancements in the cockpit to prevent such incidents: Ground Proximity Warnings (GPWS), IFATCA believes that devices such as Minimum Safe Altitude Warning … Continued

ATS 3.18 SHORT TERM CONFLICT ALERT

STCA is a ground based system that relies on surveillance data processing to predict proximity between two or more targets. The program utilises radar information on both the vertical and horizontal planes and predicts the future position of those targets, … 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

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 3.15 (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 3.14 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 3.13 VIRTUAL CENTERS AND FUNCTIONAL AIRSPACE BLOCKS

The worldwide patchwork of FIRs and associated ANSPs is a cause of operational and organisational inefficiencies. In Europe, where the problem is most pronounced due to the large number of states and flights, functional airspace blocks (FABs) were envisaged as … Continued