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In commercial aviation, the crew responsible for operating and controlling the aircraft are called flight crew.Some flight crew position names are derived from nautical terms and indicate a rank or command structure similar to that on ocean-going vessels, allowing for quick executive decision making during normal operations or emergency situations.
The rank that was subordinate to a top general was a taxiarchos or taxiarhos, something akin to the modern brigadier. In Sparta , however, the title was " polemarchos ". Below this was the syntagmatarchis , which can be translated as "leader of a regiment " ( syntagma ) and was therefore like a modern colonel .
Balloon pilot's licence issued by the Aéro-Club de France to Mr. Tissandier. Pilot licensing began soon after the invention of powered aircraft in 1903. The Aéro-Club de France was founded in 1898 'to encourage aerial locomotion'. The Royal Aero Club followed in 1901 and the Aero Club of America was established in 1905.
The main difference is in the commissioned officer ranks, where the US system recognizes two grades at OF-1 level (O-1 and O-2), meaning that all O-x numbers after O-1 are one point higher on the US scale than they are on the NATO scale (e.g. a major is OF-3 on the NATO scale and O-4 on the US scale).
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a hierarchy that reflects evolutionary relationships.
The thinnest braid, as found on the pilot officer's rank (and in the middle of the squadron leader's rank), is 1 ⁄ 4 inch (6 mm); the flying officer's braid common to all the ranks except air commodore and pilot officer, is 1 ⁄ 2 inch (1.3 cm), and the thickest braid, as found on all air officer ranks, is 2 inches (5.1 cm).
The topi has what is possibly the most diverse social organization of the antelopes. The reproductive organization ranges between the traditional territorial system or resource defense polygyny herds to gatherings that contain short-lasting territories to lek systems. In patches of grassland surrounded by woodlands, topi live in the sedentary ...
Pilot class qualification — a professional grade level of piloting skills, commonly used for qualifying military pilots of state aviation in Ukraine and some other countries. As qualifiers used number of flight hours pilot has been reached during career in a total or on some specific type of aircraft, weather conditions pilot has been able to ...