The first airliner with a pressurized cabin to enter service was the Boeing Model 307 Strato-liner, the prototype of which was flown for the first time on 31 December 1938. Derived from the B-17 Flying Fortress bomber, it was advertised as the first airliner to fly above most bad weather conditions because of its pressurized cabin. The first version to enter service, with Trans-Continental and Western Air in April 1940, was the Model 307B, accommodating 33 passengers.

Showing All Files In: CAD Drawings (DWG, DXF) Aircraft Plans N-S

CAD Drawings (DWG, DXF) Aircraft Plans N-S » Pllu25 Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » Polikarpov Po2 Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » Porterfield Classic Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » Quaker Too1937 Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » Qualt 200 L Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » Quark Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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CAD Drawings (DWG, DXF) Aircraft Plans N-S » R4- Rider 1937-39 Trophy Winner Scale Model CAD Plan

 Computer-Aided Design/ Drafting (CAD) model airplane plans in DWG or DXF format. Plans may vary greatly in detail and quality. Some are quite clear and complete others perhaps less useful for your needs.
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