| Contributions
 [ Source: International Civil Aviation Organization ]  | 
| 
 | Number 
 | Title | Source | AI/Question 
 | Date | 
|  | [ 640 ] 
 | Liaison statement to ITU-R Working Party 5B - WRC-27 agenda item 1.7 - Additional information regarding proposed technical parameters and operating scenarios to consider in adjacent band studies involving radio altimeters and wireless avionics intra communications operating in the frequency band 4 200-4 400 MHz in response to questions from Working Party 5D | International Civil Aviation Organization | AI1.7 | 2024-11-07 | 
|  | [ 639 ] 
 | Draft ICAO position for ITU WRC-27 | International Civil Aviation Organization |  | 2024-11-07 | 
|  | [ 588 ] 
 | Liaison statement to ITU-R Working Parties 5B and 5D - WRC-27 agenda item 1.7 - Proposed Technical Parameters and Operating Scenarios to Consider in Adjacent Band Studies Involving Radio Altimeters and Wireless Avionics Intra Communications Operating in the 4 200 - 4 400 MHz Frequency Band | International Civil Aviation Organization |  | 2024-08-22 | 
|  | [ 587 ] 
 | Liaison statement to ITU-R Working Parties 5B and 7C - WRC-27 agenda item 1.19 - Proposed Technical Parameters and Operating Scenarios to Consider in Studies between Earth Exploration-Satellite Service (passive), and Radio Altimeters and Wireless Avionics Intra Communications Operating in the 4 200 - 4 400 MHz Frequency Band | International Civil Aviation Organization |  | 2024-08-22 | 
|  | [ 586 ] 
 | Liaison statement to ITU-R Working Parties 4C and 5B - WRC-27 agenda item 1.13 - Proposed Technical Parameters to Consider in Studies for Possible New Allocations to the Mobile-Satellite Service Involving Aeronautical Systems Operating in the 960-1 215 MHz Frequency Band | International Civil Aviation Organization |  | 2024-08-22 | 
|  | [ 404 ] 
 | Reply liaison statement to ITU-R Working Party 5B - Parameters of non-directional beacon (NDB) for use in impact studies with wireless power transmission (WPT) | International Civil Aviation Organization |  | 2022-09-09 | 
|  | [ 326 ] 
 | Liaison statement to ITU-R Working Party 5B - Progress of the work on development of standards and recommended practices for the Wireless Avionics Intra-Communication system | International Civil Aviation Organization |  | 2022-06-21 | 
|  | [ 323 ] 
 | Reply liaison statement to ITU-R Working Party 5B - WRC-23 agenda item 1.7 | International Civil Aviation Organization | AI1.7 | 2022-05-11 | 
|  | [ 207 ] 
 | Liaison statement to Working Party 5B (copied to Working Party 4A), reply to ITU-R Document 5B/646 Annex 23 | International Civil Aviation Organization |  | 2021-10-19 | 
|  | [ 141 ] 
 | Reply liaison statement to ITU-R Working Party 5B - WRC-23 agenda item 1.7 - Questions on a space-based aeronautical VHF communications system in 117.975-137 MHz frequency band | International Civil Aviation Organization | AI1.7 | 2021-04-22 | 
|  | [ 140 ] 
 | Reply liaison statement to ITU-R Working Party 5B - UAS CNP links in the band 5 030-5 091 MHz | International Civil Aviation Organization |  | 2021-04-22 | 
|  | [ 133 ] 
 | Reply liaison statement to ITU-R Working Party 5B (copy for information to Working Party 4A) - Clarification on the draft ICAO position on WRC-23 agenda items 1.15, 1.16 and 1.17 | International Civil Aviation Organization | AI1.17, AI1.16, AI1.15 | 2021-03-15 | 
|  | [ 132 ] 
 | Reply liaison statement to ITU-R Working Party 5B concerning WRC-23 agenda item 9.1, topic a), with a copy to Working Party 7C - Information for studies on WRC-23 agenda item 9.1, topic a) | International Civil Aviation Organization | AI9.1A0 | 2021-03-15 | 
|  | [ 131 ] 
 | Reply liaison statemen to ITU-R Working Party 5B - WRC-23 agenda item 1.8 | International Civil Aviation Organization | AI1.8 | 2021-03-15 | 
|  | [ 110 ] 
 | Draft ICAO position for ITU-R WRC-23 | International Civil Aviation Organization (ICAO) |  | 2020-10-30 | 
|  | [ 69 ] 
 | Liaison statement to ITU-R Working Party 5B (copy for information to Working Parties 3L, 3M, 5A, 5C, and 6A) - Preparation for WRC-23 Agenda Item 1.9 - Review of Appendix 27 of the Radio Regulations to accommodate digital aeronautical HF technologie | International Civil Aviation Organization | AI1.9 | 2020-10-09 | 
|  | [ 14 ] 
 | Liaison statement to Working Party 5B reply to ITU-R 5B/646 Annex 23 and update on ICAO UAS SARPS activities | International Civil Aviation Organization |  | 2020-06-17 | 
|  | [ 8 ] 
 | Liaison statement to ITU-R Working Party 3K (copy for information to Working Party 5B) - Valid frequency range and polarization applicability of Recommendation ITU-R P.528-4 | International Civil Aviation Organization |  | 2020-03-02 | 
|  | [ 7 ] 
 | Reply liaison statement to ITU-R Working Party 5B (copy for information to Working Party 7C) - Deployment of Foreign Object Debris Detection Radars in the 92-100 GHz frequency range at airports globally | International Civil Aviation Organization |  | 2020-03-02 | 
| Results:19 total items. 
 | 
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