| (1) | An ATSU shall report aircraft observations made during flight, at the time an observation is made, or as soon as is practicable thereafter. |
| (2) | An aircraft observation shall be reported as follows: |
| (a) | Air-ground data link for routine observation; and |
| (b) | Voice communication for special and non-routine aircraft observation made during a flight. |
| (3) | An ATSU shall relay special air reports received by voice communication to a local meteorological office or associated MWO without delay. |
| (4) | An ATSU shall relay routine and special air-reports received by data link communication without delay to its associated MWO, the WAFC, and aeronautical fixed service internet-based service centres. |
| (5) | A meteorological service provider shall upon receipt of special air report from an-ATSU, issue— |
| (b) | wind-shear warning; and |
[Regulation 174.04.17 inserted by regulation 8(b) and (q) of Notice No. 5008, GG50880, dated 28 June 2024 (Twenty-Ninth Amendment of the Civil Aviation Regulations, 2024)]
