{"product_id":"potez-840-841-842-turboprop-transport-documentation-archive","title":"Potez 840 \/ 841 \/ 842 — Four-Engine Turboprop Executive \u0026 Regional Transport | Original Factory Documentation Archive","description":"\u003ch3\u003ePotez 840 \/ 841 \/ 842 — Four-Engine Turboprop Executive \u0026amp; Regional Transport\u003c\/h3\u003e\n\u003ch3\u003eSociété des Avions et Moteurs Henry Potez · France · 1962–1967\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePotez 840, 841, and 842\u003c\/strong\u003e series represents one of the most ambitious and technically distinctive French transport aircraft programmes of the 1960s. Developed by \u003cstrong\u003eSociété des Avions et Moteurs Henry Potez\u003c\/strong\u003e, the series was conceived as a pressurised, four-engine turboprop regional and executive transport capable of challenging the Douglas DC-3 replacement market on short-to-medium-range routes. Fewer than ten total airframes were completed before the company was absorbed into \u003cstrong\u003eSud Aviation\u003c\/strong\u003e in 1967, making surviving primary-source documentation exceptionally rare.\u003c\/p\u003e\n\u003cp\u003eThis archival edition consolidates the known surviving factory documentation across all three variants into a single research collection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDocument Archive — Manifest\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotez 840 — Turbo-Flight Brochure (US English)\u003c\/strong\u003e · 51 pages · General description, airframe overview, powerplant, systems, equipment, and performance data · Ref. A.R.E. 840-1001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotez 840 — Luxury Brochure (French)\u003c\/strong\u003e · 34 pages · Executive cabin configuration, interior fittings, and passenger comfort data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotez 840 — Preliminary Brochure (1962, English)\u003c\/strong\u003e · 19 pages · Foreword, programme introduction, general aspect, airframe description, and overall dimensions · Ref. A.R.E. 840-1003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotez 840 — Specification Sheet (1963)\u003c\/strong\u003e · 17 pages · Dimensional, structural, and performance data tables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotez 841 \/ 842 — Sales Brochure\u003c\/strong\u003e · 28 pages · Variant descriptions, engine options, configuration data, and performance comparison\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTotal documents in this archive: 149 pages across 5 primary-source factory publications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eVariant Overview\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003ePower (per engine)\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eTarget Market\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotez 840\u003c\/td\u003e\n\u003ctd\u003eTurbomeca Astazou II\u003c\/td\u003e\n\u003ctd\u003e440 shp (328 kW)\u003c\/td\u003e\n\u003ctd\u003e3-bladed Ratier-Figeac\u003c\/td\u003e\n\u003ctd\u003eInitial production · European market\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotez 841\u003c\/td\u003e\n\u003ctd\u003ePratt \u0026amp; Whitney PT6A-6\u003c\/td\u003e\n\u003ctd\u003e550 shp (417 kW)\u003c\/td\u003e\n\u003ctd\u003e3-bladed, fully feathering\u003c\/td\u003e\n\u003ctd\u003eNorth American corporate sales\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotez 842\u003c\/td\u003e\n\u003ctd\u003eTurbomeca Astazou X \/ XII\u003c\/td\u003e\n\u003ctd\u003e600–640 shp (447–480 kW)\u003c\/td\u003e\n\u003ctd\u003e3-bladed Ratier-Figeac (2.07 m)\u003c\/td\u003e\n\u003ctd\u003eUpgraded payload · hot-and-high operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eAirframe \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Cantilever low-wing monoplane · four turboprop engines · circular-section pressurised fuselage · single fin and rudder · adjustable stabiliser · retractable tricycle undercarriage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWing:\u003c\/strong\u003e Modified NACA 63-series profile · aspect ratio 10.75:1 · wingspan 19.60 m · wing area 35.0 m² (377 sq ft) · optimised for low profile drag at high-speed cruise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuselage:\u003c\/strong\u003e Circular cross-section semi-monocoque structure · distinctive triangular cabin windows · pressurised and air-conditioned cabin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUndercarriage:\u003c\/strong\u003e Retractable triangular tricycle arrangement · hydraulic actuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlight Controls:\u003c\/strong\u003e Fully mechanical push-pull rod-actuated surfaces · direct feedback · no hydraulic boost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCabin Configurations (Potez 840 Standard)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-seat high-density:\u003c\/strong\u003e For distances up to 600 miles at 310 mph with reserves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-seat regional:\u003c\/strong\u003e For distances up to 1,200 miles at 310 mph with reserves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExecutive layout:\u003c\/strong\u003e For distances up to 2,000 miles at 310 mph with reserves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Data (Potez 842 — Type Certification Profile)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpan\u003c\/td\u003e\n\u003ctd\u003e19.60 m (65 ft 7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e15.88 m (52 ft 1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e5.38 m (17 ft 8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWing area\u003c\/td\u003e\n\u003ctd\u003e35.0 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmpty weight\u003c\/td\u003e\n\u003ctd\u003e5,430 kg (11,971 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTOW\u003c\/td\u003e\n\u003ctd\u003e8,900 kg (19,621 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax speed\u003c\/td\u003e\n\u003ctd\u003e541 km\/h (292 kt \/ 336 mph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService ceiling\u003c\/td\u003e\n\u003ctd\u003e11,308 m (37,100 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard fuel capacity\u003c\/td\u003e\n\u003ctd\u003e2,000 L (530 US gal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax seating\u003c\/td\u003e\n\u003ctd\u003e24 passengers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eHandling \u0026amp; Stability Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsymmetric thrust:\u003c\/strong\u003e Four small turboprops produce a minimal critical-engine yawing moment — rudder control requirements on engine failure are significantly reduced versus a twin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlight controls:\u003c\/strong\u003e Fully mechanical, push-pull rod-actuated — direct, responsive feedback favoured by corporate pilots of the era\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnown incident:\u003c\/strong\u003e Airframe F-BMCY sustained a belly-landing in 1981 attributed to undercarriage mechanical complexity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic test airframe:\u003c\/strong\u003e Airframe No. 04 was designated exclusively for ultimate structural load and wing bending tolerance mapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProgramme \u0026amp; Legacy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeveloper:\u003c\/strong\u003e Société des Avions et Moteurs Henry Potez, France\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramme period:\u003c\/strong\u003e 1962–1967\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal airframes built:\u003c\/strong\u003e Fewer than 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramme closure:\u003c\/strong\u003e Henry Potez absorbed into Sud Aviation in 1967; type certificate management ceased\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulatory status:\u003c\/strong\u003e No active EASA or FAA Airworthiness Directives — no active TC holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurviving documentation:\u003c\/strong\u003e Original factory brochures, type certificate specifications, and structural blueprints held in French museum archives and specialist repositories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eThis is an archival, static-copy edition fixed at its original publication date. Intended for historical reference, flight simulation, museum restoration, and educational use only. Not approved for active airworthiness maintenance under FAA 14 CFR § 43.13, EASA Part-M, or equivalent international regulations. Operators of active aircraft must use current, revision-controlled publications from the Type Certificate holder or an authorized distributor.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eLiving Collections with Free Lifetime Updates — Please review our Disclaimer and Export Notice before purchasing.\u003c\/em\u003e\u003c\/p\u003e","brand":"Online Aviation Library","offers":[{"title":"Default Title","offer_id":53695332745563,"sku":null,"price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4788\/3867\/files\/potez-840-banner-3.png?v=1785487640","url":"https:\/\/onlineaviationlibrary.com\/products\/potez-840-841-842-turboprop-transport-documentation-archive","provider":"Online Aviation Library","version":"1.0","type":"link"}