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In helicopters the rotorhead is the part of the rotor assembly that joins the blades to the shaft, cyclic and collective mechanisms. It is sometimes referred to as the rotor "hub". The rotorhead is where the lift force from the rotor blades act.
The green IDENT button is marked "ID". A transponder (short for transmitter-responder [1] and sometimes abbreviated to XPDR, [2] XPNDR, [3] TPDR [4] or TP [5]) is an electronic device that produces a response when it receives a radio-frequency interrogation. Aircraft have transponders to assist in identifying them on air traffic control radar.
Japan plans to increase its defense budget from 1.24% of GDP in fiscal 2021 to around 2.0% within 10 years, and has decided to retire these helicopters and aircraft as part of an effort to spend its defense budget efficiently. [368] Kuwait. Kuwait Air Force – 24 AH-64Ds [364] Morocco. Royal Moroccan Air Force – 36 AH-64Es on order [369 ...
[2] [3] As part of this initiative, Boeing was awarded a $285-million contract to build the first 13 MH-139A Grey Wolf helicopters, to guard America's nuclear ballistic missiles. [ 4 ] [ 5 ] The MH-139A Grey Wolf is to be used for security patrols, search and rescue missions, and personnel and cargo transport. [ 6 ]
Abrasion strips on helicopter rotor blades are made of metal, often titanium or nickel, which are very hard, but less hard than sand. When a helicopter flies low to the ground in desert environments, sand striking the rotor blade can cause erosion. At night, sand hitting the metal abrasion strip causes a visible corona or halo around the rotor ...
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On 18 July, 2006 another helicopter crashed at an air base in Al Diwaniyah, injuring 4 crew and 3 passengers. [18] Since January 2012, a force of five W-3 Sokol helicopters, along with six Mil Mi-8, have been furnished with a VIP configuration and stationed at Poland's 1st Air Transport Base following a major reshuffle of assets. [19]
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