EVERY IMPERIAL AIR LINER HAS 4 ENGINES FOR SECURITY Imperial Airways in 1937 carried over 70,000 passengers and flew over 6,000,000 miles. Artist: V.L. Danvers 1938 Passengers are boarding a Handley Page H.P. 42, 'Heracles', while the baggage is being packed by Imperial Airways personnel on the other side. Note the pilot and co-pilot in the cockpit, with the Civil Air Ensign above them, which would be lowered through a hatch prior to take-off (a job which was not always remembered!). This poster was printed in several languages, including French, German and Italian.