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Designed in the late 1930s as a stable mate of the famous Beech Staggerwing the Model 18 was intended to combine comfort and safety with the ability to operate from small airfields at low cost. The prototype first flew in January 1937. Initially considered underpowered when compared to the similar Lockheed Electra Junior. The Model S18D introduced more powerful Jacobs L-6 engines, which improved the performance. The S18D was capable of being flown from skis or floats as well as from conventional landing gear. During World War II the Allies used large numbers of modified Model 18s as trainers.
Beech Model 18 Family: AT-7, AT-11, S18D, UC-45J
All photographs and text copyright Arizona Aerospace Foundation, 2009 and may not be used in any way without express written permission.
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| Wingspan |
47 ft 7 in. |
| Length |
33 ft 11 � in |
| Height |
9 ft 2 � in |
| Weight |
8,750 lbs (loaded) |
| Maximum Speed |
230 mph |
| Service Ceiling |
20,500 ft. |
| Range |
750 miles |
| Engines |
2 Jacobs L-6 , 330 hp each |
| Crew |
2 pilots, 8 passengers |
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