| (1) | An aerodrome licence holder shall ensure that an aeronautical meteorological station makes routine observations and reports of meteorological parameters throughout each day, unless agreed otherwise between the meteorological service provider, the Director, an ANSP, and an operator concerned. |
| (2) | Routine observations referred to in subregulation (1) shall be supplemented by special observations whenever there are changes in observed meteorological parameters of— |
| (3) | Routine observations shall be used for compilation of the following meteorological reports: |
| (a) | local routine report for dissemination at an aerodrome of origin for use in voice-ATIS and D-ATIS whichever is available; and |
| (b) | METAR for dissemination beyond an aerodrome of origin for flight planning, VOLMET broadcast, and Digital VOLMET. |
| (4) | Routine observations shall be issued during the operating hours of an aerodrome in accordance with the requirements prescribed in Document SA-CATS 174. |
| (5) | Routine observations conducted at an aerodrome not operating 24 hours shall be issued during operational hours of an aerodrome. |
[Regulation 174.03.4 substituted by regulation 8(i) of Notice No. 5008, GG50880, dated 28 June 2024 (Twenty-Ninth Amendment of the Civil Aviation Regulations, 2024)]
