VINTAGE AIR TOURS
MEET THE FLEET
"BETTY"
1943 PT-17 STEARMAN
"BETTY" SPECIFICATIONS
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Crew: 2
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Length: 24 ft 9 in
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Wingspan: 32 ft 2 in
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Height: 9 ft 8 in
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Wing area: 298 sq ft
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Empty weight: 1,931 lb
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Max takeoff weight: 2,635 lb
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Fuel capacity: 46 US gal
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Powerplant: 1 × Continental R-670-5 7-cylinder air-cooled radial piston engine, 220 hp
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Propellers: 2-bladed fixed-pitch propeller
Performance
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Maximum speed: 124 mph,108 kts
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Cruise speed: 96 mph, 83 kts
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Service ceiling: 13,200 ft
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Time to altitude: 10,000 ft in 17 minutes 18 seconds
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Wing loading: 9.9 lb/sq ft
The PT-17 traces its roots to the Stearman Model 70, built as a private venture to meet a 1934 U.S. Army Air Corps request for a new trainer to replace its aging primary trainer fleet. Re-engined with a Wright J-5 Whirlwind, the design was first ordered by the U.S. Navy in 1935 as the NS-1. Using a Lycoming R-680-5 radial engine and known as the Model 75, the Air Corps ordered the type into production as the PT-13 in 1936. With a variety of engines and designations, the Model 75 went on to become one of the most widely produced and used primary trainers in U.S. military service.
The Model 75 biplane featured a fabric-covered, welded steel tube fuselage and spruce wing construction, and enjoyed a reputation as a simple, cost effective design. Student pilots occupied the front cockpit, while the instructor sat in a rear cockpit with identical controls. Its rugged, forgiving nature made it an excellent primary trainer, providing a relatively safe introduction for pilot trainees into military flight.The Boeing Aircraft Company bought out the Stearman Company in the middle 1930s, and continued production of the Model 75 for the military. Although built by Boeing, the Model 75 continued to be known as the “Stearman”.
In 1940, a Continental R-670-5 engine was fitted to the design to create the PT-17, of which over 3,500 were eventually ordered for U.S. Army service. The plane also enjoyed large U.S. Navy orders as the N2S, and in 1942 both services adopted an interchangeable version as the N2S-5/PT-13D, powered by the Lycoming R-680-17 engine. Demand for the Stearman at the outbreak of World War II outstripped engine supply, so another powerplant, the Jacobs R-755-7, was used on the airframe to create the PT-18.
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Learn about all this history and more when you book a historical flight experience with us!
"NORMA"
1947 U-18 NORTH AMERICAN NAVION A
"NORMA" SPECIFICATIONS
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Crew: 1
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Capacity: 3 passengers
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Length: 27 ft 6 in
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Wingspan: 33 ft 5 in
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Height: 8 ft 8 in
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Wing area: 184 sq ft
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Empty weight: 1,930 lb
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Gross weight: 2,850 lb
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Fuel capacity: 70 US gal
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Powerplant: 1 × Continental IO-520-BB air-cooled engine, 285hp
Performance
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Maximum speed: 174 mph, 151 kts
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Cruise speed: 170 mph, 150 kts
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Range: 800nm
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Service ceiling: 18,000 ft
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Rate of climb: 1,250 ft/min
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Take-off run: 400 ft
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Landing run: 468 ft
The Navion was originally designed at the end of World War II by North American Aviation. North American built 1,109 Navions in 1946–47, which included 83 L-17As for the US Army and National Guard.
Ryan Aeronautical Company acquired the design in the summer of 1947, launching production at its San Diego factory in 1948. Ryan built 1,240 Navions (powered by 205 hp Continental O-470 engines or 250 hp Lycoming O-435 engines, including 163 aircraft for the US armed forces, before production ended in 1951, with Ryan wanting to concentrate on defense production.
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The United States Army Air Force bought 83 L-17As, later changed to the U-18 designation from North American in 1946 to be utilized as liaison and staff transport aircraft. 36 went to the Army and 47 to the National Guard. These were supplemented by 163 L-17Bs from 1948, which were ordered by the United States Air Force on behalf of the Army and National Guard, with 129 going to the Army and the rest to the National Guard. During the Korean War, the US Army's Navion fleet added casualty evacuation and forward air controller to the aircraft's liaison and light transport duties.
The Navion was phased out of front line service by 1957, with the surplus aircraft handed over to the Civil Air Patrol or sold off to private owners. There are approximately 860 Navion aircraft that remain in an airworthy status today.
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An air tour in "Norma" is sure to leave you breathless. Book your flight today and see why we love keeping rare and vintage aircraft flying!
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"199"
1942 CONSOLIDATED VULTEE BT-13A
"199" SPECIFICATIONS
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Crew: 2
Length: 28 ft 10 in
Wingspan: 42 ft 0 in
Height: 11 ft 6 inÂ
Wing area: 239 sq ft
Empty weight: 3,375 lb
Max takeoff weight: 4,496 lbÂ
Fuel capacity: 84 US gal
Powerplant: 1 × Pratt & Whitney R-985-AN-1 nine-cylinder air-cooled radial engine, 450 hp
Propellers: 2-bladed Hamilton-Standard Constant Speed
Performance
Maximum speed: 180 mph, 160 Kts
Cruise speed: 130 mph, 113 kts
Service ceiling: 21,650 ft Â
Time to altitude: 10,000 ft in 9 minutes and 12 seconds
The Vultee BT-13 was the basic trainer flown by most American pilots during World War II. It was the second phase of the three phase training program for pilots. After primary training in PT-13, PT-17, or PT-19 trainers, the student pilot moved to the more complex Vultee for continued flight training. The BT-13 had a more powerful engine and was faster and heavier than the primary trainer. It required the student pilot to use two way radio communications with the ground and to operate landing flaps and a two-position Hamilton Standard controllable-pitch propeller (or, more commonly, a constant-speed propeller). It did not, however, have retractable landing gear nor a hydraulic system. The flaps were operated by a crank-and-cable system.
Its pilots nicknamed it the "Vultee Vibrator." There are several explanations given for this nickname. 1: Because it had a tendency to shake quite violently as it approached its stall speed. 2. During more adventurous maneuvers the canopy vibrated. 3. On takeoff, the aircraft caused windows on the ground to vibrate.
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After World War II, virtually all were sold as surplus for a few hundred dollars each. Many were purchased just to obtain their engines, which were mounted on surplus biplanes (such as Stearmans) to replace their less powerful engines for use as cropdusters. The BT airframes were then scrapped. Several others were modified as multi-passenger civilian aircraft; one as the "Viceroy" and at least two others by a different firm. Today, some "BT's" (collectively, BT-13s, BT-15s and SNVs) are still flying, though in very limited numbers. Our "199" is one of 29 airworthy aircraft registered in the US.
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