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| Dassault Super-Caravelle | |
|---|---|
| Name | Super-Caravelle |
| Caption | Artist's impression of Super-Caravelle proposal |
| Type | Short-to-medium-range jet airliner |
| Manufacturer | Dassault |
| First flight | Projected (unbuilt) |
| Status | Unbuilt proposal |
| Primary user | Proposed civil operators |
Dassault Super-Caravelle was an unbuilt French short-to-medium-range jet airliner concept developed by Dassault Aviation in the late 1950s and early 1960s as a follow-on to the Sud Caravelle. Conceived amid rising demand from Air France, British European Airways, and other European carriers, the Super-Caravelle aimed to combine the streamlined fuselage experience of contemporary jetliners with innovations derived from Dassault Mirage III research and French government aeronautical policy. The project intersected with multinational initiatives such as the BAC/Dassault Concorde discussions and the multinational Europeanisation of aerospace efforts that later led to collaborations like Airbus Industrie.
The Super-Caravelle concept emerged after Dassault's work on the Sud Aviation Caravelle and parallel to Dassault's military designs including the Dassault Mystère and Dassault Ouragan. The design team, influenced by aerodynamic studies performed for the Mirage III and wind tunnel testing at the Office National d'Etudes et de Recherches Aérospatiales (ONERA), proposed a low-wing, narrow-body layout integrating low bypass turbofan developments from Snecma and powerplant research linked to Rolls-Royce negotiations. Early feasibility studies referenced operational patterns of Air France, Lufthansa, and Austrian Airlines while evaluating range and payload metrics familiar from the Boeing 727 and Convair 880 programmes.
Industrial strategy discussions involved executives from Dassault Aviation, political figures from the French Ministry of Defence, and commercial stakeholders including Air Inter and regional authorities in Île-de-France. Proposals considered civil certification pathways through agencies analogous to later Joint Aviation Authorities arrangements, with manufacturing and subcontracting relationships mapped to firms such as Aérospatiale, SNECMA (now part of Safran), and component suppliers with experience on the Sud Caravelle and Vickers Viscount.
Proposals varied, but typical Super-Caravelle specifications cited in contemporary memoranda included a fuselage cross-section slightly larger than the Sud Caravelle to accommodate six abreast seating comparable to the Douglas DC-9 and BAC One-Eleven. Performance targets referenced maximum cruise speeds near Mach 0.82, service ceilings akin to the Boeing 727-100, and ranges competitive with the Fokker F28 Fellowship. Powerplant studies considered twin turbofans inboard underwing installations influenced by trials on the Vickers VC10 and developments at Pratt & Whitney.
Avionics and systems proposals leveraged lessons from military avionics such as those on the Mirage IV and navigation suites employed by Trans-Canada Airlines and KLM. Landing gear architecture and flap systems drew comparison with the Boeing 737 family and research at ONERA on low-speed handling. Cabin pressurisation, emergency egress arrangements, and cabin environmental control systems mirrored standards being codified by agencies like counterparts of the Fédération Aéronautique Internationale and organisations similar to the later European Civil Aviation Conference.
No prototype of the Super-Caravelle was completed, so flight testing remained at the conceptual and wind-tunnel phase. Dassault conducted aerodynamic evaluations using scale models in ONERA facilities and computational methods then available in collaboration with universities such as École Polytechnique and laboratories linked to CNRS. Comparative performance assessments referenced flight test data from the Sud Caravelle, the Vickers Vanguard, and military types like the Dassault Mirage III to validate cruise efficiency and handling criteria.
Evaluation documents circulated among potential customers including Air France, British European Airways, and Aer Lingus, and among suppliers like Snecma and Rolls-Royce. These firms provided preliminary engine performance envelopes and maintenance concept inputs, while national certification authorities in France and United Kingdom examined the proposal's compliance with contemporary airworthiness practice derived from precedents set by the Federal Aviation Administration and civil agencies across Europe.
Although never built, the Super-Caravelle was promoted for scheduled short-haul routes operated by carriers such as Air France on domestic sectors, Austrian Airlines across the Alps, and by regional European operators similar to SAS on trans-Scandinavian services. Proposed roles included high-frequency trunk routes, regional feeder services from hubs like Paris-Orly and London Heathrow, and corporate or government VIP transport reflecting Dassault's experience supplying types to national ministries and heads of state.
Marketing efforts targeted lease and purchase negotiations comparable to those arranged by BOAC for jetliners of the era and envisaged competition with the BAC One-Eleven, McDonnell Douglas DC-9, and the Fokker F28. Political and economic priorities, including support for domestic industry championed by figures in Paris and Brussels, influenced the programme's reception, but escalating costs and shifting airline requirements constrained adoption.
Design studies explored stretched and shortened fuselage derivatives analogous to the family strategy later employed by Boeing and Airbus, including high-capacity variants for charter operators resembling models ordered by TWA and low-capacity short-field variants for regional operators in the vein of Aer Lingus commuter services. Military utility conversions were proposed for personnel transport and VIP duties similar to adaptations seen with the Sud Caravelle and the Boeing 727 for governmental use.
Engine-fit variants considered turbofan selections from suppliers including Snecma, Rolls-Royce Avon-era derivatives, and proposals referencing advances by Pratt & Whitney and General Electric. Avionics upgrade packages paralleled developments in Honeywell and Sperry equipment used by contemporary carriers, while cargo and combi versions were modelled on conversions undertaken for types such as the Douglas DC-8.
Although unbuilt, the Super-Caravelle influenced Dassault's design philosophy and contributed intellectual capital to later programmes including the firm's executive jet offerings and studies feeding into Franco-British collaborations that culminated in projects like the Concorde negotiations and ultimately the pan-European cooperative frameworks that produced Airbus Industrie. Technical lessons regarding aerodynamics, systems integration, and supplier coordination informed developments at Aérospatiale, Snecma/Safran, and subcontractors that later worked on the A320 family.
The programme remains a subject of interest in histories of postwar European aviation alongside projects such as the Vickers VC10, BAC One-Eleven, and Sud Caravelle, illustrating industrial choices confronted by manufacturers during the jet age. Researchers at institutions like Institut d'histoire des techniques and aviation historians referencing archives in Le Bourget continue to examine correspondence and studies that shed light on the intersection of national policy and aerospace innovation in mid-20th-century France.
Category:Cancelled aircraft projects Category:Dassault aircraft