Engozero was a military air base in Karelia, northwest Russia. It was near Engozero and Ambarnyy, southeast of Loukhi in northern Karelia.Vol. 2 OF 4 Volumes AnnuaL INDEX TO PHOTOGRAPHIC EXPLOITATION PRODUCTS JANUARY-DECEMBER 1977, March 1, 1978, CIA-RDP78B07179A000200020001-5, Central Intelligence Agency, Washington, DC. Engozero was closed and the majority of the air base no longer exists.
References
RussianAirFields.com