The Aeronautical Information Management (AIM) website (https://aim-sg.caas.gov.sg) is not available currently. 

Sorry for the inconvenience 

Should you require any assistance during the above period, please call       

65-65956052 (Changi FPL)

65-64812909 (Seletar FPL)

65-65956053 (NOTAM)                                    

Thank you for your patience.