Stinson Airliner

SM-6000 Airliner
	Stinson SM-6000B Airliner trimotor circa 1965 when owned by RP Rice of Kennett, MO.
Role	Three-engined airliner
National origin	United States
Manufacturer	Stinson Aircraft Corporation
Number built	53 (SM-6000); 24 (Model U)[1]

The Stinson SM-6000 Airliner was a 1930s three-engined (trimotor) ten-passenger airliner designed and built by the Stinson Aircraft Corporation. The SM-6000 was a high-wing braced monoplane with room for a pilot and a cabin for ten passengers. It was powered by three 215 hp (160 kW) Lycoming R-680 engines strut-mounted one each side above the main landing gear units and one in the nose. A number of variants were built mainly with improved interiors. In 1932 the Model U Airliner was produced which had low-set stub wings with an engine mounted at each wingtip.

Variants

Corman 6000: The initial prototypes produced by the Corman aircraft Co. as part of the E L Cord empire.[2]
SM-6000 Airliner: 1930 initial production variant with three 215hp (160kW) Lycoming R-680 engines.
SM-6000-A Airliner: 1930 variant available with different interior configurations.

SM-6000-B

SM-6000-B1 Airliner: 1931 all-passenger variant with better interior equipment.
SM-6000-B2 Airliner: As the B1 but with a mixed mail/passenger interior.
Model U Airliner: 1932 improved model with three 240hp (179kW) Lycoming R-680-BA engines on stub wings.
C-91: United States military designation for one SM-6000-A (s/n 42-79547) impressed into service in 1942.

Survivors

Only two of these high-wing models are known to exist. One is owned and operated by Mid America Flight Museum in Mount Pleasant, TX, the other by Kermit Weeks and is maintained in airworthy condition at Fantasy of Flight in Polk City, Florida.

[3]

Operators

United States

American Airways
Boston-Maine Central Vermont Airways
Century Airlines
Chesapeake Airways
Chicago and Southern Airlines
Delta Air Lines
National Airlines System
New York, Philadelphia and Washington Airway Corporation aka Ludington Airline
Rapid Air Lines

Philippines

INAEC Iloilo Negros Air Express Company

Specifications (SM-6000-B)

Data from [4][5]

General characteristics

Crew: two
Capacity: ten (B1), eight (B2)
Length: 42 ft 0 in (12.8 m)
Wingspan: 60 ft 0 in (18.29 m)
Height: 12 ft 0 in (3.66 m)
Wing area: 490 sq ft (45.6 m²)
Empty weight: 5,670 lb (2,620 kg)
Gross weight: 8,600 lb (3,910 kg)
Powerplant: 3 × Lycoming R-680 , 215 hp (160 kW) each

Performance

Maximum speed: 146 mph (234 km/h, 127 kn)
Cruise speed: 125 mph (200 km/h, 109 kn)
Range: 390 mi (628 km, 340 nmi)
Service ceiling: 14,200 ft (4,330 m)
Rate of climb: 1,000 ft/min (5.1 m/s)

Notes

Wagg 1990, p.118.
Donald M. Pattillo. A History in the Making: 80 Turbulent Years in the American General Aviation Industry. p. 10.
As pictured on timetable, March 21, 1934, Boston Maine Airways Central Vermont Airways, and other schedules; pictured in Boston and Maine Airways employee magazine, "Boston-Maine Airways, Inc., Take Air Again in Year-Round Service;" circa 1933; discussed at length by Robert W. Mudge in Adventures of a Yellowbird: the biography of an airline, Branden Press, 1969.
"Stinson Trimotors - Holcomb's Aerodrome".
Wagg 1990, p.128.

References

Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
Wegg, John (1990). General Dynamics Aircraft and their Predecessors. London: Putnam Aeronautical Books. ISBN 0-85177-833-X.
The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.

External links

Media related to Stinson SM-6000 at Wikimedia Commons

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[Wagg_p118-1] Wagg 1990, p.118.

[2] Donald M. Pattillo. A History in the Making: 80 Turbulent Years in the American General Aviation Industry. p. 10.

[3] As pictured on timetable, March 21, 1934, Boston Maine Airways Central Vermont Airways, and other schedules; pictured in Boston and Maine Airways employee magazine, "Boston-Maine Airways, Inc., Take Air Again in Year-Round Service;" circa 1933; discussed at length by Robert W. Mudge in Adventures of a Yellowbird: the biography of an airline, Branden Press, 1969.

[4] "Stinson Trimotors - Holcomb's Aerodrome".

[Wagg_p128-5] Wagg 1990, p.128.

United States military transport aircraft designations, Army/Air Force and Tri-Service systems
Army/Air Force sequence (1925-1962)	C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 C-37 C-38 C-39 C-40 C-41 A C-42 C-43 C-44 C-45 C-46 C-47 F T AC-47 C-48 C-49 C-50 C-51 C-52 C-53 C-54 C-55 C-56 C-57 C-58 C-59 C-60 C-61 C-62 C-63 C-64 C-65 C-66 C-67 C-68 C-69 C-70 B C-71 C-72 C-73 C-74 C-75 C-76 C-77 B-D C-78 C-79 C-80 C-81 C-82 C-83 A B C-84 C-85 C-86 C-87 C-88 C-89 C-90 C-91 C-92 C-93 C-94 C-95 C-96 C-97 KC-97 C-98 C-99 C-100 C-101 C-102 C-103 C-104 C-105 C-106 C-107 C-108 C-109 C-110 C-111 C-112 C-113 C-114 C-115 C-116 C-117 D C-118 C-119 AC-119 C-120 C-121 F C-122 C-123 A C-124 C-125 C-126 C-127² C-127 (I) C-127 (II) C-128 C-129 C-130 J AC-130 DC-130 EC-130/H HC-130 KC-130 LC-130 MC-130 WC-130 C-131 C-132 C-133 C-134 C-135 KC-135 C-136 C-137² YC-137 (I) YC-137 (II) C-137 C-138¹ C-139¹ C-140 C-141 C-142
Tri-service sequence (1962-present)	C-1 C-2 C-3 C-4 C-5 C-6 C-7² C-7 RC-7 C-8 C-9 C-10² C-10 KC-10 C-11 C-12 RC-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20² A-D F-J C-21 C-22 C-23 C-24 C-25 C-26 C-27 J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36³ C-37A B C-38 C-39¹ C-40 C-41 C-42¹ C-43¹ C-44¹ C-45 C-46
Revived original sequence (2005-present)	C-143 C-144 C-145 C-146 C-147
Non-sequential designations	C-767 C-880
Related designations	CT-39 CT-43 CV-2 CV-7
¹ Not assigned • ² Assigned to multiple types • ³ Unconfirmed