This black Mi-171 with serial SMH-4422 is seen underneath the massive tailboom of SMH-4426. The Mi-171E carries manufacturer date 2 February 2013. It is former 4R-HTF of Helitours The black helicopter, with rectangular windows and a 'glass' nose, was delivered to the Sri Lanka Air Force on 19 June 2013 and leased to the civil company. The Mi-171 returned to the SLAF by mid-2016. It is seen here awaiting overhaul with the Aircraft Engineering Wing. On this day seven stored and one operational black Mi-171s were seen.

This Mi-171E carries manufacturer date 19 January 2013. It is former 4R-HTE of Helitours. The helicopter, with rectangular windows, a 'glass' nose, and a weather radar was delivered to the Sri Lanka Air Force on 20 June 2013 and leased to the civil company. The Mi-171 returned to the SLAF by 2014. It is seen here awaiting overhaul with the Aircraft Engineering Wing.

Never trust a cover... as this black Mi-171 with serial SMH-4422 is covered with canvas of SHM-4420 and SMH-4425. The Mi-171E carries manufacturer date 2 February 2013. It is former 4R-HTF of Helitours The helicopter, with rectangular windows and a 'glass' nose, was delivered to the Sri Lanka Air Force on 19 June 2013 and leased to the civil company. The Mi-171 returned to the SLAF by mid-2016. It is seen here awaiting overhaul with the Aircraft Engineering Wing.

This black Mi-171 carries manufacturer date 13 April 2013. The helicopter, with rectangular windows and a 'glass' nose, was delivered to the Sri Lanka Air Force on 6 July 2013. The Mi-171 is seen here awaiting overhaul with the Aircraft Engineering Wing.

This Mi-171E carries manufacturer date 17 January 2013. It is former 4R-HTC of Helitours The helicopter, with rectangular windows, a 'glass' nose, and a weather radar. It was delivered to the Sri Lanka Air Force on 15 June 2013 and leased to the civil company. The Mi-171 returned to the SLAF by mid-2016. It is seen here awaiting overhaul with the Aircraft Engineering Wing.

The helicopter once served within 63 flight of United Nations Mission in South Sudan (UNMISS) as well as the multidimensional United Nations peacekeeping operation MINUSCA. With both mission it carried as UN registration UNO-316P. The helicopter was taken on charge as CH-596 by the SLAF on 4 December 1994. Became SMH-4302 by 2011 a fine dark green/dark brown camo colourscheme with a light grey underside. By 2014, likely after return from its UN duty, the Mi-171 became SMH-566.

The 6 Helicopter Squadron with its 61 Flight is using this Mi-171E, which was most probably delivered in 2013. Pictured during a very fine 4Aviation tour that lead to most bases of the SLAF.

This HIP is assigned to 6 squadron, based at Colombo-Ratmalana. It was getting some maintenance in one of the air base hangars. Its former SMH-4303 and CH-598.