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  2. Mach number - Wikipedia

    en.wikipedia.org/wiki/Mach_number

    The subsonic speed range is that range of speeds within which, all of the airflow over an aircraft is less than Mach 1. The critical Mach number (Mcrit) is lowest free stream Mach number at which airflow over any part of the aircraft first reaches Mach 1. So the subsonic speed range includes all speeds that are less than Mcrit. Transonic: 0.8–1.2

  3. List of countries by minimum wage - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    €1,934.40 (US$2288) per month, and €11.16 (US$13.2) per hour for persons 21 and older; between 30–80% (as low as €3.35 per hour) of this amount for persons aged 15–20. [171] An additional holiday allowance of 8% of the annual wage is paid in May or June, prorated for the time worked in the year.

  4. Sukhoi Su-27 - Wikipedia

    en.wikipedia.org/wiki/Sukhoi_Su-27

    The Sukhoi Su-27 (Russian: Сухой Су-27; NATO reporting name: Flanker) is a Soviet-origin twin-engine supersonic supermaneuverable fighter aircraft designed by Sukhoi.It was intended as a direct competitor for the large US fourth-generation jet fighters such as the Grumman F-14 Tomcat and McDonnell Douglas F-15 Eagle, with 3,530-kilometre (1,910 nmi) range, heavy aircraft ordnance ...

  5. Boeing AH-64 Apache - Wikipedia

    en.wikipedia.org/wiki/Boeing_AH-64_Apache

    On 25 April 2014, a Taiwanese AH-64E crashed into a three-story building during a training flight in bad weather conditions, the first AH-64E airframe loss. [ 290 ] [ 291 ] An investigation ruled out mechanical failure and concluded that the pilots had rapidly descended through clouds at low altitude without checking flight instruments to ...

  6. Douglas A-4 Skyhawk - Wikipedia

    en.wikipedia.org/wiki/Douglas_A-4_Skyhawk

    The aircraft were selected by Brazil because of their low flight time, excellent physical condition, and a favorable price. [118] The Brazilian Navy re-designated AF-1 and AF-1A Falcões (Hawks), the Kuwaiti Skyhawks arrived in Arraial do Cabo on 5 September 1998.

  7. AST/ALT ratio - Wikipedia

    en.wikipedia.org/wiki/AST/ALT_ratio

    The proportion of AST to ALT in hepatocytes is about 2.5:1, but because AST is removed from serum by the liver sinusoidal cells twice as quickly (serum half-life t 1/2 = 18 hr) compared to ALT (t 1/2 = 36 hr), so the resulting serum levels of AST and ALT are about equal in healthy individuals, resulting in a normal AST/ALT ratio around 1.

  8. Fairchild Republic A-10 Thunderbolt II - Wikipedia

    en.wikipedia.org/wiki/Fairchild_Republic_A-10...

    The A-10 has a cantilever low-wing monoplane wing with a wide chord. [34] It has superior maneuverability at low speeds and altitude due to its large wing area, high wing aspect ratio, and large ailerons. The wing also allows short takeoffs and landings, permitting operations from austere forward airfields near front lines. The A-10 can loiter ...

  9. Sikorsky UH-60 Black Hawk - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_UH-60_Black_Hawk

    The UH-60M incorporates upgraded T700-GE-701D engines, improved rotor blades, and state-of-the-art electronic instrumentation, flight controls and aircraft navigation control. After the U.S. DoD approved low-rate initial production of the new variant, [11] manufacturing began in 2006, [12] with the first of 22 new UH-60Ms delivered in July 2006 ...