US-Bangla Airlines, one of the country’s leading private airlines, is set to operate special international flights on four routes after maintaining health protocols from Saturday (April 17). The flights will be operated on Dhaka-Dubai, Muscat-Doha and Dhaka-Singapore routes with special precautions, said a media release on Friday. Also read: US-Bangla's fleet expands to 14 It said nine flights will be operated on Dhaka-Dubai route, while seven on Dhaka-Muscat route, four on Dhaka-Doha and one on Dhaka-Singapore route every week. All the international travellers must have Coronavirus negative certificates which should be collected at least 72 hours before flying as directed by the government. Besides, all the returnees from foreign countries will have to stay in institutionalised quarantine for 14 days and bear the expenses personally after landing at Dhaka airport. Read US-Bangla adds two new ATR 72-600s to its fleet The airlines said other details are available at the sales office of US-Bangla Airlines or travel agencies. Interested travellers can also call over 01777777800-806 or 13605. On April 11, the Civil Aviation Authority of Bangladesh (CAAB) said it will suspend all the international flights as the government was going to impose a strict lockdown from April 14 to contain the spread of Covid-19. Also read: US-Bangla awarded for good service However, there will be no restriction on the movement of chartered flights, cargo flights and special flights carrying high commissioners of different countries and foreign nationals. The flight operations on domestic routes have remained suspended since the enforcement of lockdown in the country from April 5. Read Bangladesh bans entry of passengers from Europe & 12 countries for two weeks Also, on April 1, the civil aviation regulator suspended the entry of passengers from all European countries, except the UK, and 12 other countries to Bangladesh from April 3. As the spread of Covid-19 has sparked alarm across the country, the government enforced the nationwide lockdown from April 14 in its bid to stop the spread of the deadly virus. Read CAAB to suspend international flights from Apr 14