Supplementary Instructions (SI)

 

CAA Notifications on Supplementary Instructions (SI)

 

 

SI to CAP 493 SI 2019/06: Class E Airspace ATS Procedures Amendment – Phase 2
The purpose of this Supplementary Instruction (SI) is to implement the second phase of changes to Class E Airspace Air Traffic Service (ATS) procedures contained within the Manual of Air Traffic Services (MATS) Part 1 (CAP 493).
Dated: October 2019


SI to CAP 413 SI 2019/01: Class E airspace ATS Procedures Amendment
The purpose of this Supplementary Instruction (SI) is to implement changes to radiotelephony phraseology contained within UK Radiotelephony Manual (CAP 413). This is in support of amendments to class E airspace Air Traffic Service (ATS) procedure changes contained within the Manual of Air Traffic Services (MATS) Part 1 (CAP 493).
Dated: October 2019


SI to CAP 493 SI 2019/03: Class E Airspace ATS Procedures Amendment – Phase 1
The purpose of Supplementary Instruction (SI) 2019/03 is to implement phase 1 changes to Class E Airspace ATS procedures within the to the Manual of Air Traffic Services (MATS) Part 1 (CAP 493).
Dated: May 2019


SI to CAP 493 – 8.33 kHz Capable Radio Equipment
The purpose of this Supplementary Instruction (SI 2019/02) is to remove reference to 8.33 kHz capable radios within the Manual of Air Traffic Services (MATS) Part 1 (CAP 493).
Dated: May 2019


SI to CAP 493 – MATS Part 1
Supplementary Instruction (SI) 2018/02 to the Manual of Air Traffic Services (MATS) Part 1 (CAP 493) was published on 15 June 2018.
This SI implements changes to the initial reporting action procedure for an Air Traffic Control Unit (ATCU) providing an Air Traffic Service (ATS) at an aerodrome.
Dated: June 2018


SI to CAP 797 – Flight Information Service Officer Manual
Supplementary Instruction (SI) 2018/01 to CAP 797 Flight Information Service Officer (FISO) Manual Edition 3 was published on 15 June 2018, effective 14 August 2018.
This SI details changes made to the FISO Manual (CAP 797), relating to the reporting of accidents and serious incidents by FISOs to the Air Accidents Investigation Branch (AAIB).
Dated: June 2018