In July 2017 , Ignatius Ong Ming Choy CEO of Firefly , a subsidiary of Malaysia Airlines ( MAS ) and a respected member in the aviation community , had raised the issue of an ILS which has not been in installed in Seletar , to the Singapore civil aviation authority , in which Firefly believed that the lack of an ILS impacted on Seletar airport 's aim to be " '' a proper commercial airport '' " as the ILS will improve aviation safety and enhance operational efficiency of descending aircraft into the airport during poor weather , night landing or adverse visibility . Ignatius Ong had represented Malaysia Airlines in Kuala Lumpur and Beijing as a leading member of the responsive MAS crisis management team that dealt directly with traumatised relatives of those in the missing Malaysia Airlines Flight 370
Malaysia Airlines Flight 370
Malaysia Airlines Flight 370
Seletar Airport