Handley Page Hermes

Handley Page Hermes
Name	Handley Page Hermes
Caption	A BOAC Hermes IV at London Heathrow Airport in 1950
Type	Airliner
Manufacturer	Handley Page
Designer	Reginald Stafford
First flight	2 December 1945
Introduced	6 August 1950
Retired	1964
Primary user	BOAC
Number built	29
Developed from	Handley Page Hastings
Developed into	Handley Page Marathon

Handley Page Hermes. The Handley Page Hermes was a British civilian airliner developed and produced by Handley Page in the post-war era. Derived from the military Handley Page Hastings transport, it was designed to meet the needs of BOAC for long-range passenger services. Although plagued by developmental delays and overshadowed by more advanced contemporaries, it served as a crucial interim aircraft on key Commonwealth routes during the early 1950s.

Development and design

The Hermes originated from a 1944 Air Ministry requirement for a large, pressurised, long-range civil transport, with Handley Page adapting its earlier Halifax and Hastings designs. Led by chief designer Reginald Stafford, the project aimed to create an aircraft capable of non-stop North Atlantic crossings, competing with American types like the Lockheed Constellation. The original Hermes I prototype, powered by four Bristol Hercules radial engines, first flew from Radlett Aerodrome on 2 December 1945. However, the catastrophic crash of this prototype in 1947, coupled with persistent issues achieving the promised pressurisation and performance, caused major redesigns. The definitive Hermes IV emerged with a redesigned fuselage, a larger fin, and more powerful Alvis Leonides engines, finally entering production to fulfil an order from BOAC.

Operational history

BOAC introduced the Hermes IV on its scheduled services from London Heathrow Airport to West Africa on 6 August 1950, replacing older aircraft like the Avro York. The type became a workhorse on the airline's prestigious "Springbok Route" to Johannesburg via destinations such as Kano and Livingstone. While reliable in service, its operational career was relatively brief, as it was soon rendered obsolete by the introduction of turboprop and pure jet airliners like the de Havilland Comet and Bristol Britannia. BOAC retired its last Hermes in 1954, transferring several aircraft to independent British operators such as Britavia and Skyways Limited. These companies used them for trooping flights to Cyprus and charter work until the final examples were withdrawn in the early 1960s.

Variants

* Hermes I: The original prototype with Bristol Hercules engines; one built, later rebuilt as the Hermes II. * Hermes II: Rebuilt Hermes I with a modified tail and used as a testbed. * Hermes IV: The main production variant for BOAC, featuring Alvis Leonides engines and a redesigned fuselage; 25 built. * Hermes V: A single aircraft built for British South American Airways with increased fuel capacity; later operated by BOAC. * Hermes VI and Hermes VII: Proposed military transport variants for the Royal Air Force; not built.

Operators

Primary civil operators included the flag carrier BOAC and, briefly, British South American Airways. After retirement from major airlines, examples were flown by several smaller British independent airlines, including Britavia, Skyways Limited, and Air Safaris. The Royal Air Force evaluated but did not adopt the type for squadron service. One aircraft was used by the Ministry of Supply for Royal Aircraft Establishment testing at Farnborough Airfield.

Specifications (Hermes IV)

* Crew: 5–7 * Capacity: Up to 63 passengers * Length: 96 ft 10 in (29.51 m) * Wingspan: 113 ft 0 in (34.44 m) * Height: 30 ft 0 in (9.14 m) * Powerplant: 4 × Alvis Leonides 763/764 air-cooled radial engines, 1,950 hp (1,454 kW) each * Maximum speed: 350 mph (563 km/h, 304 kn) at 20,000 ft * Range: 2,300 mi (3,700 km, 2,000 nmi) * Service ceiling: 24,500 ft (7,500 m)

Accidents and incidents

The Hermes suffered several notable accidents during its service life. The first prototype was destroyed on 3 December 1947 near Chipping Warden during stall tests, killing chief test pilot James R. Cook and four others. On 5 November 1950, a BOAC Hermes IV (registration G-ALDN) crashed on approach to Castel Benito airfield in Tripoli, resulting in fatalities. Another significant loss occurred on 9 April 1951 when a BOAC Hermes IV (G-ALDK) crashed near Kano shortly after takeoff. The final major accident involving the type happened on 1 April 1953, when a Britavia Hermes IV (G-ALDC) crashed at Blackbushe Airport during a training flight.

Category:British airliners 1940–1949 Category:Handley Page aircraft Category:Four-engined piston aircraft