LONDON, August 5. —Great Britain’s new air liner, which is said to be the largest and most perfect airship in the world, is now almost completed and will take the air early in 1927.

The new airship, designed for exclusively commercial purposes, is 765 feet long and is propelled by six 400-horsepower motors. It is capable of carrying 100 passengers, a crew of 36 men, 20 tons of luggage and 5 tons of mail.