Deck-level view of the catapult track aboard museum ship USS Hornet, with an A-4 in launch position. An aircraft catapult is a device used to launch aircraft from ships âin particular aircraft carriers âas a form of assisted take off.t consists of a track built into the flight deck, below which is a large piston or shuttle that is attached through the track to the nose gear of the aircraft, or in some cases a wire rope called a catapult bridle is attached to the aircraft and the catapult shuttle.
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Examples of Ecommerce. 1  Online ShoppingBuying and selling goods on the Internet is one of the most popular examples of ecommerce. 2  Electronic PaymentsWhen you are buying goods online, there needs to be a mechanism to pay online too. 3  Online AuctionsWhen you think online auction, you think eBay.