Instrument Flight Procedures |

AAS 1.07 DISPLAY OF GNSS STATUS TO ATC

When any failure to the GNSS occurs, it is to be expected that some aircraft will fail to meet the RNP and require special action to be taken, while others will be able to continue to meet the RNP. It … Continued

Optimisation of Climb and Descent Profiles and Fuel Economy

22ND ANNUAL CONFERENCE, Split, Yugoslavia, 21-25 March 1983 WP No. 74 Optimisation of Climb and Descent Profiles and Fuel Economy This subject was first raised by the German Association at the 21st Annual Conference when they introduced a paper … Continued

SID/STAR Phraseology

57TH ANNUAL CONFERENCE, Accra, Ghana, 19-23 March 2018 WP No. 87 SID/STAR Phraseology Presented by TOC Summary New ICAO SID/STAR-Phraseology has been introduced in some countries with some problems arising. This working paper gives an overview of existing IFATCA policies … Continued

MLS Operational Procedures

40TH ANNUAL CONFERENCE, Geneva, Switzerland, 19-23 March 2001 WP No. 84 MLS Operational Procedures Introduction The development of MLS procedures is moving very quickly. At present, only a few States are proposing to use MLS. If the use of MLS … Continued

Review ICAO Manual on Performance Based Navigation

47TH ANNUAL CONFERENCE, Arusha, Tanzania, 10-14 March 2008 WP No. 91 Review ICAO Manual on Performance Based Navigation Presented by TOC Summary ICAO is introducing the Performance Based Navigation concept to provide a means of achieving harmonisation of RNAV and … Continued

Terrain and Obstacle Charting

53RD ANNUAL CONFERENCE, Gran Canaria, Spain, 5-9 May 2014 WP No. 86 Terrain and Obstacle Charting Presented by TOC Summary Work on SID- and STAR-phraseology changes and cancellation of level restrictions identified fundamental issues regarding ICAO procedures for terrain and … Continued

AAS 1.09 REMOVAL OF GROUND BASED AIDS

The implementation of GNSS is precipitating the removal of certain ground based navigation aids. IFATCA is concerned that as these GNSS systems are subject to natural temporary degradation and unserviceabilities that there should not be a reliance on a sole … Continued

Transition Altitudes

26TH ANNUAL CONFERENCE, Nairobi, Kenya, 27-30 April 1987 WP No. 35 Transition Altitudes At the 1986 conference SC 1 presented WP No 62 on Transition Altitudes. After discussion it was recommended that SC 1 should re-examine the subject of … Continued

Air Traffic Management for Tiltrotors

57TH ANNUAL CONFERENCE, Accra, Ghana, 19-23 March 2018 WP No. 98 Air Traffic Management for Tiltrotors Presented by ANACNA Summary The first commercial use of tiltrotors is starting in 2018. As the performances and typical behaviour of such machines can … Continued

The Use of Lateral Offsets

40TH ANNUAL CONFERENCE, Geneva, Switzerland, 19-23 March 2001 WP No. 88 The Use of Lateral Offsets Introduction The subject of Lateral Offsets has been an agenda item within SC1 for the past 3 years. Policy in relation to the North … Continued