This latter structure also carried the two-wheel single axle undercarriage and a long central skid to prevent nosing over and to hold the tail clear of the ground.

[1] The Type D was built for the 1911 Olympia Aero Show and appeared there with a borrowed 35 hp (26 kW) liquid-cooled Green engine mounted tractor fashion in a semi-monocoque mahogany planked fuselage.

Appearing after repairs in yellow varnish, it was named The Antiseptic by Handley Page's new test pilot, Edward Petre,[1] after the tincture of iodine commonly used on cuts in those days.

In the Handley Page factory at Barking, north east London it was often called the Yellow Peril after the current nickname for Gold Flake cigarettes.

[1] It flew several times from a rented part of a sports field at Fairlop, six miles north of Barking, before Handley Page decided to concentrate on two-seaters with better sales prospects.