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.

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.