2021Toggle accordion Title of Directive Directive No. Date of issuance Status Amendment No.4 to Directive No. 9/2020 (Covid-19 Measures for Singapore Air Operators) (PDF, 92KB) Consolidated Directive No. 9/2020 incorporating up to Amendment No.4 (PDF, 207KB) Directive No. 9/2020 (Amendment No.4) 5 Apr 21 Active Amendment No.3 to Directive No. 10/2020 (Covid-19 Measures for Foreign Air Operators) (PDF, 94KB) Directive No. 10/2020 (Amendment No.3) 1 Mar 21 Active Amendment No.3 to Directive No. 9/2020 (Covid-19 Measures for Singapore Air Operators) (PDF, 112KB) Directive No. 9/2020 (Amendment No.3) 1 Mar 21 Active Amendment No.2 to Directive No. 10/2020 (Covid-19 Measures for Foreign Air Operators) (PDF, 95KB) Directive No. 10/2020 (Amendment No.2) 18 Jan 21 Active Amendment No.2 to Directive No. 9/2020 (Covid-19 Measures for Singapore Air Operators) (PDF, 332KB) Directive No. 9/2020 (Amendment No.2) 6 Jan 21 Active Amendment No.1 to Directive No. 10/2020 (Covid-19 Measures for Foreign Air Operators) (PDF, 499KB) Directive No. 10/2020 (Amendment No.2) 6 Jan 21 Active 2020Toggle accordion Title of Directive Directive No. Date of Issuance Status Amendment No.1 to Directive No. 9/2020 (Covid-19 Measures for Singapore Air Operators) (PDF, 94KB) Directive No. 9/2020 (Amendment No.1) 21 Oct 20 Active Directive No. 10/2020 (Covid-19 Measures for Foreign Air Operators) (PDF, 146KB) Directive No. 10/2020 21 Oct 20 Active Directive No. 9/2020 (Covid-19 Measures for Singapore Air Operators) (PDF, 166KB) Directive No. 9/2020 12 Oct 20 Active Directive No. 8/2020 (Measures for Covid-19) (PDF, 204KB) Directive No. 8/2020 1 Jul 20 Active Directives No. 1/2020 to Directive 7/2020 are inactive.