Communications |

COM 4.1 ALPHA – NUMERIC CALLSIGNS

The concept of call sign confusion and particularly the use of alphanumeric call signs are investigated by IFATCA. IFATCA Policy is: To reduce the possibility of call sign confusion: Call signs that correspond to the last two designators of both … Continued

COM 4.9 COMMUNICATION BETWEEN ATS UNITS

Different ways of communication are possible between adjacent ATS Units. Different methods of voice communication, data exchange and coordination between neighbouring ATS units may create challenges in different regions as well as conflicts that may arise related to this subject. … Continued

Mixing Datalink Equipages in the Same Airspace

36TH ANNUAL CONFERENCE, Taipei, Taiwan, 17-21 March 1997 WP No. 014L Mixing Datalink Equipages in the Same Airspace Following discussion in Committee B on 17 March, it was suggested that material be drafted for Committee review regarding limitations to … Continued

8.33 kHz Spacing

36TH ANNUAL CONFERENCE, Taipei, Taiwan, 17-21 March 1997 WP No. 87 8.33 kHz Spacing The use of 8.33kHz spacing to solve the European VHF frequency congestion problems was proposed at the EURRAN meeting in Vienna in 1994 and this … Continued

8.33 kHz Horizontal Expansion

41TH ANNUAL CONFERENCE, Cancun, Mexico, 15-19 April 2002 WP No. 111 8.33 kHz Horizontal Expansion Presented by EVP Europe Introduction 1.1. After the initial implementation of 8.33 kHz, the horizontal expansion of 8.33 will include the airspace over 22 more … Continued

Review Policy on ACAS Phraseology

47TH ANNUAL CONFERENCE, Arusha, Tanzania, 10-14 March 2008 WP No. 95 Review Policy on ACAS Phraseology Presented by TOC Summary On 22nd November 2007, Amendment 5 of ICAO Doc 4444 Air Traffic Management was included. One of the changes with … Continued

Sectorless ATM

59TH ANNUAL CONFERENCE, Singapore, 30 March – 3 April 2020 WP No. 100 Sectorless ATM Presented by TOC IMPORTANT NOTE: The IFATCA Annual Conference 2020 in Singapore was cancelled. The present working paper was never discussed at Conference by … Continued

AAS 1.05 AIR-GROUND DATALINK

The use of air ground Datalink systems has a significant part to play in the evolution of air Traffic Management (ATM), particularly in terms of communication and surveillance. This policy concentrates on the communication aspect. Large quantities of information are … Continued

COM 4.10 PRONUNCIATION OF WORDS FIVE LETTER NAMING CODES (5LNC)

Pronunciation of letters has been standardized but there is a lack of uniformity across the world regarding the pronunciation of waypoints. Specifically, these relate to the confusion over the route designator and accurate identification of the correct 5LNC. iCARD is … Continued

The Application of Air Ground Datalink

33RD ANNUAL CONFERENCE, Ottawa, Canada, 18-22 April 1994 WP No. 93 The Application of Air Ground Datalink At IFATCA 93 an information paper was presented on the subject of air ground datalink. During the debate in conference, the need … Continued