Original sentence: Air Sylhet have not yet obtained a Type A Operating Licence or AOC from the United Kingdom Civil Aviation Authority.Air Sylhet is a UK-based airline planning to provide flights to Bangladesh from the United Kingdom using a low-cost model.Although, the airline has been founded on the basis of providing flights to Osmani International Airport in Sylhet from the UK to alleviate the misery of passengers enduring a sub-standard service from Biman Bangladesh Airlines, the Civil Aviation Authority of Bangladesh has yet to confirm that Air Sylhet (or any other foreign airline) will be given access to this lucrative route.It is expected to be the first low cost airline to provide long haul services from Europe to Asia, with services from London, Birmingham and Manchester to Dhaka.This approach will enable Air Sylhet to launch services within a very short time
Edited sentence: Air Sylhet have not yet officially obtained an Type A Operating Licence  or AOC from the United Kingdom Civil Aviation Authority.Air Sylhet is a UK-based airline planning to provide chartered flights to Bangladesh from the United Kingdom using a low-cost model.Air Sylhet is set to become the first low cost airline to provide long haul services from Europe to Asia.Although, the airline has been founded on the basis of providing chartered flights to Osmani International Airport in Sylhet from the UK to alleviate the misery of passengers enduring a sub-standard service from Biman Bangladesh Airlines, the Civil Aviation Authority of Bangladesh has yet to confirm that Air Sylhet (or any other foreign airline) will be given access to this lucrative route.It is an off the shelf address.Other low cost business models such as Air Asia do operate regional services within the eastern continent, but not across various continents.Public scrutiny suggets an unethical engineering behind its marketing strategy.Registered Head Office in London is questioned in regards to operational viability.The Birmingham office is at question due to property details registering to another accountancy firm.The proposed pictures provide an artists impression of its aircraft from Gatwick Airport, of which, not yet stated in company literature.The use of Easy Jet's Airbus has been questioned as to the vaidity of published marketing material as far as ethics is concerned.This approach has enabled Air Sylhet to launch services within a very short time