1968:Paro Airstrip Operational
1971:Bhutan joins the United Nation
1981:Drukair Established by the Royal Charter
1983:Commercial Air Transport Begins
1986:Department of Civil Aviation (DCA) was formally Established
DCA had the regulatory and oversight mandate as well as service provision mandate
1988:Bhutan became party to Hague Convention & Montreal Convention
1989:Bhutan became party to Tokyo Convention
1989:Bhutan became ICAO Member State
1990:Civil Aviation Act Enacted
1992:Bhutan Air Navigations(BANRs) Promulgated
1999:Voluntary ICAO USOAP Audit
2000:Civil Aviation Act Amended
2006:ICAO USOAP Audit Mission to Bhutan
2011:Bumthang and Yonphula Airport Operational
2011:Drukair & TashiAir starts domestic operation
2013:Gelephu Airport Operational
2015:Department of Civil Aviation bifurcated to Bhutan Civil Aviation Authority and Department of Air Transport
2015:Royal Bhutan Helicopter Service Limited starts operations
2016:Civil Aviation Act 2016 Enacted
2017:NCHM designated as Aeronautical Meteorological Service Provider
2018:ICAO USOAP ICVM Mission to Bhutan
