Communications |

COM 4.2 8.33 kHz SPACING

The introduction of 8.33 kHz can have a major impact on the ATC system. There is the possibility of non-equipped aircraft entering 8.33 kHz, with the increased possibility of frequency blocking, and the additional workload placed on controllers both around … Continued

Alpha Numeric Callsigns

26TH ANNUAL CONFERENCE, Nairobi, Kenya, 27-30 April 1987 WP No. 33 Alpha Numeric Callsigns In 1986 at the Cost Rica conference IFATCA’s policy regarding alpha numeric callsigns, agreed at the 1985 Athens conference, was deleted. Currently therefore IFATCA has … Continued

Reducing “Initial Call” Frequency Congestion

55TH ANNUAL CONFERENCE, Las Vegas, USA, 14-18 March 2016 WP No. 165 Reducing “Initial Call” Frequency Congestion Presented by PLC and TOC Summary The paper investigates the possible reduction in frequency congestion using the introduction of alternative procedures for aircraft … Continued

Documented Evidence from both IFALPA and IFATCA

38TH ANNUAL CONFERENCE, Santiago, Chile, 15-19 March 1999 WP No. 92 Documented Evidence from both IFALPA and IFATCA Introduction Documented evidence from both IFALPA and IFATCA suggest that the FANS-1/A data link system has a number of significant deficiencies. These … Continued

Review policy on RTF Frequency Usage

44TH ANNUAL CONFERENCE, Melbourne, Australia, 17-22 April 2005 WP No. 88 Review policy on RTF Frequency Usage Presented by TOC Introduction 1.1. As part of the 2004/5 work programme, TOC undertook to review existing policy on RTF Frequency Usage. 1.2. … Continued

Study the Concept of Block Upgrades

51ST ANNUAL CONFERENCE, Kathmandu, Nepal, 12-16 March 2012 WP No. 89 Study the Concept of Block Upgrades Presented by TOC Summary This paper provides an insight to the ICAO Global Harmonisation project that is called Global Aviation System Block Upgrades. … Continued

COM 4.11 RADIO MANDATORY ZONES / TRANSPONDER MANDATORY ZONES

Traffic density is constantly increasing and due to specific airspace classification, controlled IFR traffic can be mixed up with uncontrolled VFR traffic. With the intention to improve safety, additional SSR transponder and radio equipment carriage requirements have been implemented. This … Continued

COM 4.3 COMMUNICATIONS FAILURE

Some radios have a sleep mode that causes communication failures without being noticed. This results in serious security and cost issues for the military. Radio communication failure is a rare occurrence, but it can result in undesirable situations. Present ICAO … Continued

ATC Aspects of Interception of Civil Aircraft

26TH ANNUAL CONFERENCE, Nairobi, Kenya, 27-30 April 1987 WP No. 60 ATC Aspects of Interception of Civil Aircraft The subject of ATC aspects of interception of civil aircraft was placed on the SC 1 work programme by the 1986 … Continued

The Use of Voice Communications in ADS Operations

34TH ANNUAL CONFERENCE, Jerusalem, Israel, 27-31 March 1995 WP No. 101 The Use of Voice Communications in ADS Operations An ADS service will not use voice communications for routine message transmission of reports between the controller and the flight … Continued