Encyclopedia
High Altitude Aerobatics
high-level flying - maneuvering of an aircraft performing complex aerobatic figures in their combination. In addition, all types of inverted flight and performance of figures with negative G-forces are considered high-level flying;
Source: Order of the Minister of Defense of Russia dated September 24, 2004 No. 275 "On Approval of Federal Aviation Rules for Conducting Flights of State Aviation" (Registered by the Ministry of Justice of Russia on November 10, 2004 No. 6110)