Keywords: Air Force Ensign of Singapore 1973-1990.svg Singaporean air force ensign RSAF Roundel 1973-1990 svg 50 2012-02-06 03 44 UTC File RSAF Roundel 1973-1990 svg Flag_of_Singapore svg derivative work <span style color 002bb8; >Fry1989</span> <sup><span style color CC0000; >eh </span></sup> 03 50 6 February 2012 UTC Uploaded with derivativeFX Air force ensigns of Singapore Sky blue ensigns of Singapore Ž SVG flags - military of Singapore Flags with roundels Air force ensign of Singapore (1973-1990).svg Singaporean air force ensign RSAF Roundel 1973-1990 svg 50 2012-02-06 03 44 UTC File RSAF Roundel 1973-1990 svg Flag_of_Singapore svg derivative work <span style color 002bb8; >Fry1989</span> <sup><span style color CC0000; >eh </span></sup> 03 50 6 February 2012 UTC Uploaded with derivativeFX Air force ensigns of Singapore Sky blue ensigns of Singapore SVG flags - military of Singapore Flags with roundels |