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MS-21, SJ-100, and Il-114 complete tests in natural icing conditions
MS-21, SJ-100, and Il-114 complete tests in natural icing conditions
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2026-03-31T10:56
2026-03-31T10:56
2026-03-31T15:52
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arkhangelsk region
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During the tests, the airliners demonstrated full compliance with Russian and international aviation standards in natural icing conditions. The flights were conducted from Talagi International Airport in Arkhangelsk from March 12 to 30, according to Rostec’s press service.The MS-21 and SJ-100 prototype aircraft have already returned to their base in Zhukovsky, near Moscow, where they will continue their main certification flight test program. The Il-114 has also completed its checks in Arkhangelsk and is preparing to return.All test flights from Talagi Airport consisted of several stages. Based on meteorological data, the crews searched for cloud conditions that met the test program requirements. Once in the clouds, they monitored ice formation on the aircraft surfaces using specialized equipment. After the required ice thickness was reached, the aircraft climbed to an altitude where its performance in natural icing conditions – including stability, controllability, and onboard systems – was tested.Additionally, as part of the additional certification test program, the SJ-100 carried out three flights to evaluate landing approaches with go-arounds and to test the impending stall warning system.
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MS-21, SJ-100, and Il-114 complete tests in natural icing conditions
During the tests, the airliners demonstrated full compliance with Russian and international aviation standards in natural icing conditions. The flights were conducted from Talagi International Airport in Arkhangelsk from March 12 to 30, according to Rostec’s press service.
The MS-21 and SJ-100 prototype aircraft have already returned to their base in Zhukovsky, near Moscow, where they will continue their main certification flight test program. The Il-114 has also completed its checks in Arkhangelsk and is preparing to return.
“During the tests, the aircraft spent four to seven hours in the air over the White Sea coast, the Kola Peninsula, and Naryan-Mar,” Rostec reported. “The SJ-100 performed nine flights under the additional certification test program in natural icing conditions, the MS-21 six, and the Il-114 eight. With that, the flight test program has been fully completed.”
All test flights from Talagi Airport consisted of several stages. Based on meteorological data, the crews searched for cloud conditions that met the test program requirements. Once in the clouds, they monitored ice formation on the aircraft surfaces using specialized equipment. After the required ice thickness was reached, the aircraft climbed to an altitude where its performance in natural icing conditions – including stability, controllability, and onboard systems – was tested.
Additionally, as part of the additional certification test program, the SJ-100 carried out three flights to evaluate landing approaches with go-arounds and to test the impending stall warning system.
