Silent Wings of War: Airspeed Horsa

The Development History

In 1940, the British Air Ministry issued a specification for a military glider. Airspeed Limited, an aircraft manufacturer based in Portsmouth, won the bid, and the Horsa came to be. It was named after Horsa, the semi-legendary 5th-century warrior, a fitting name for an aircraft designed for battle.

Civilian workers pose with sections of an Airspeed Horsa glider, as received from the manufacturers, before assembling it at No. 6 Maintenance Unit, Brize Norton, Oxfordshire April 26 1944

The Horsa Cockpit

The cockpit of the Airspeed Horsa was all about simplicity. Despite the complex task at hand, the design stuck to the essentials. Two pilot seats, a central control column for the ailerons and elevators, rudder pedals, and necessary flight instruments dominated the layout. This minimalism wasn’t a design flaw. It reflected the pressing wartime necessity for efficiency and speedy training of pilots.

Airspeed Horsa cockpit Photo: Deben_Dave

The Takeoff Process

The takeoff process for the Airspeed Horsa was a spectacle. As a glider, the Horsa relied on a tow-plane, typically a C-47 Dakota or a Handley Page Halifax, for lift-off. The Horsa would be tethered to its tow-plane, and the combination would begin their joint takeoff roll. Once they gained enough speed, the Horsa would lift off first, pulling the tow-plane’s nose up and allowing it to take off. In flight, the Horsa would be released, free to glide stealthily to its destination.

A Horsa glider carrying troops of 6th Airlanding Brigade is towed aloft by an Armstrong Whitworth Albemarle at an RAF airfield, part of 6th Airborne Division’s second lift in the evening of June 6 1944

Performance in Numbers

This sizable glider showcased impressive figures for its time. The Horsa could cover up to 245 miles, an operational range that was remarkable for a non-powered aircraft. It could reach a maximum speed of 110 mph and a typical gliding speed of 60 mph, making it an agile asset for airborne operations. Able to carry 25 fully armed troops or a substantial load of equipment such as jeeps or anti-tank guns, the Horsa had a payload of around 7,000 pounds.

The Horsa’s Safety Features

In the high-risk environment of wartime, safety was paramount. The Horsa was equipped with a tricycle landing gear and high-mounted wings, enabling stable landings on unprepared fields. Its fuselage, built with wooden materials, was designed to break at specific points upon landing to absorb the impact. This thoughtful design ensured the safety of the troops and crew inside the glider.

Airspeed Horsa Mark I, HS103 ’31’, of the Heavy Glider Conversion Unit is inspected before commencing night flying at Brize Norton, Oxfordshire

The Shortcomings

Despite its success, the Horsa was not without flaws. Its large size and weight made handling and maneuvering a challenge. Additionally, the lack of engine power meant it was highly dependent on wind conditions and altitude. Once released from its tow-plane, it was largely at the mercy of these external factors, making precise landings difficult.

Airborne troops seated in an Airspeed Horsa of the Heavy Glider Conversion Unit at Brize Norton, Oxfordshire, ready for take off

Into the Battle

Despite its shortcomings, the Horsa played a significant role in key operations during World War II. Its operational debut was in 1942 during the invasion of Sicily, Operation Husky. The Horsa was also instrumental in Operation Market Garden in the Netherlands and the D-Day invasion in Normandy, ferrying troops and equipment silently behind enemy lines.

Scene at RAF Harwell, Oxfordshire, just before the start of the Airborne invasion of Holland. British airborne troops wait to emplane by their Horsa glider
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