A scaled up version of the 235 hp CallAir A-9.
Production of the B-1 ceased after ownership of the design passed the North American Rockwell company as they favoured their S2R Thrush Commander.
Engine: 400 hp
Payload: 2600 lb.
Call-Air B-1
Aircraft
Call-Air Model A
The first CallAir flew in 1941 and was designated the Model A. The last version was introduced in 1957 and was named the A-6. Throughout the years of its existence, the basic difference between any of the models was the powerplant; otherwise, the Model A-4 differed little externally from the original Model A. The CallAir was built with mixed construction: fabric-covered wooden wings and a fabric-covered steeltube fuselage.
The Model A-2, with a 125-hp Lycoming, and the Model A-3, with a 125-hp Continental, were produced during the years between 1946 and 1948.
The first production models of the A-4 appeared in 1955, and the major refinement was the addition of 25 more horsepower with the installation of a 150-hp Lycoming. All models shared the same two-to three-seat cabin and low wing with exposed struts.
Another version of the CallAir was introduced in 1956 and was basically an agricultural development of the Model A-4. Designated the A-5, it was normally flown as a single-seater with the cockpit offset to the starboard side due to the inclusion of the dust hopper.
The Model A-6 flown in 1957 was identical, apart from another jump in horsepower to a 180-hp Lycoming.
The Intermountain Manufacturing Co. developed a series of low-priced agricultural aircraft from the CallAir, and the first airplane rolled off the production line in 1963. The A-9 featured a 235-hp Lycoming; its top speed was now 130 mph, and its climb rate was now 650 fpm. The dust hopper was moved to a position in front of the cockpit.
A-1
Seats 2-3
Gross wt. 1,550 lb
Empty wt. 1,000 lb
Fuel capacity 25 USG
Engine 100-hp Lycoming
Top 115 mph
Cruise 105 mph
Stall 40 mph
Initial climb rate 500fpm
Ceiling 13,000ft
Range 260sm
A-2
Seats 2
Gross wt. 1,550lb
Empty wt. 975lb
Fuel capacity 30USG
Engine 125- hp Lycoming
Top 120 mph
Cruise 109 mph
Stall 45 mph
Initial climb rate 1,000fpm
Ceiling 17,500ft
Range 456sm
Takeoff run 426ft
Landing roll 300ft
A-3
Seats 2
Gross wt. 1,550lb
Empty wt. 975lb
Fuel capacity 30USG
Engine 125- hp Continental
Top 120 mph
Cruise 109 mph
Stall 45 mph
Initial climb rate 1,000fpm
Ceiling 17,500ft
Range 456sm
Takeoff run 426ft
Landing roll 300ft
A-4
Engine 150-hp Lycoming
Seats 2-3
A-5
Seats 1
A-6
Engine 180-hp Lycoming
A-9
Engine 235-hp Lycoming
Top speed 130 mph
Climb rate 650 fpm.
Call-Air / Callair
Call Aircraft Company formed originally as Call-Air in 1940-1941 by Renel, Ivan and Spencer Call to design and develop the Call-Air Model A two-seat light Cabin monoplane with Continental flat-four engine. Updated version with Lycoming flat-four certificated in 1946. Other models were the A-2 (Lycoming) and A-3 (Continental). Named changed to Callair Incorporated around 1950, producing the Model 150 (Callair A4) in 1955. A-5 and A-6 (uprated) were agricultural adaptations. Callair was purchased by Intermountain Manufacturing Company in 1962, and this company continued the development of aircraft for agricultural use.
Call 1908 Mayfly
Henry Laurens Call was a writer, a member of the American Association for the Advancement of Science and the designer of this huge, complicated craft, which was powered by two 20hp Curtiss engines, spanned 41 feet and weighed 3,000lbs. It was intended to transport several passengers in the air, on water and on roads, with hot food and all kinds of comfort. However, Call stated that there were too many trees in Girard, Kansas where it was built, and the roads were not very good, so he was never been able to get up a speed of more than 18 miles per hour, rather than the thirty miles an hour he claimed was necessary for the ship to rise in the air.
Call 2
The 1911 Call 2 monoplane was created by the “Aerial Navigation Company of America” of Henry Laurens Call in 1911. It was powered by a 50 hp, horizontally opposed two-cylinder, four-stroke, Call Aviation Engine.
It made several flights before being destroyed by a tornado.
Call / Aerial Navigation Company of America
The Aerial Navigation Company of America, based in Girard, Kansas was founded by Henry Laurens Call.
The company built 14 aircraft, but the Call 2 of 1911 was the only one that was successful.
The Call Aviation Engine, a 50 hp, horizontally opposed two-cylinder, four-stroke, was heavily advertised in the aviation press at that time.
California Microwave CM-44
The CM-44 was designed and built by Scaled Composites for California Microwave (CMI). The aircraft was a canard pusher which carried 700 lbs of electronic gear for surveillance. It was test flown by Michael Melvill in April 1987 and found to have a several winglet induced yaw problem that Scaled could not fix. Hollmann contacted CMI and promised to fix it. Dr. Ilan Kroo from Stanford, set up a lattice element model of the CM-44 and fixed the problem and improved the design. Hollmann at ADI designed new wings, winglets and canard for the CM-44. High Tech Composites built the molds and parts. It was test flown by CMI and found to be significantly better than the original design.
Cairns Model C
Produced in 1938 Models B and C.
Cairns Models B
Produced in 1938 Models B and C.
Cairns Second design
The second design was evaluated by the U.S. government
