The Boeing Stearman Model 75 stands as one of the most iconic and recognizable training aircraft in aviation history, with over 10,000 units produced during the 1930s and 1940s. This comprehensive documentation collection covers the complete Model 75 family including Army PT-13, PT-17, PT-18 variants and Navy N2S series, providing essential technical reference materials for owners, restorers, and aviation researchers working with these legendary primary trainers that taught tens of thousands of pilots to fly.

Definitive Collection with Free Lifetime Updates: This is a living collection that we continuously expand and refine. As we acquire additional Boeing Stearman Model 75 documentation, technical bulletins, or variant-specific materials, we update this collection and provide free lifetime updates to all purchasers. Your one-time purchase guarantees access to all future additions and improvements to this collection.

Historical Note

The Boeing Stearman Model 75 emerged in the mid-1930s as Stearman Aircraft Company's answer to the U.S. military's need for a robust, reliable primary trainer. Following Boeing's acquisition of Stearman in 1934, the design became known as the Boeing Stearman, though pilots universally called it simply "the Stearman." The aircraft would become the primary trainer for the U.S. Army Air Corps and U.S. Navy throughout World War II, training the vast majority of American military pilots during the conflict.

The Model 75 featured classic biplane configuration with two open cockpits in tandem, fabric-covered wings and fuselage over welded steel tube construction, and a powerful radial engine. The design emphasized ruggedness, ease of maintenance, and forgiving flight characteristics—essential qualities for an aircraft that would be flown by inexperienced student pilots learning basic flying skills. The wide-track landing gear tolerated hard landings and ground loops, while the robust airframe could withstand the punishment of continuous training operations.

The Army Air Corps adopted the type as the PT-13 (Continental R-670 engine), PT-17 (Continental R-670), and PT-18 (Lycoming R-680), while the Navy designated their versions N2S-1 through N2S-5. Production ramped up dramatically with America's entry into World War II, with Boeing's Wichita facility and subcontractors producing thousands of aircraft annually. Between 1936 and 1945, over 10,000 Stearmans were built, making it one of the most numerous aircraft of its era.

The Stearman's role in pilot training cannot be overstated. Virtually every American military pilot who flew in World War II—whether in fighters, bombers, transports, or other aircraft—began their training in a Stearman. The aircraft taught basic stick-and-rudder skills, aerobatics, formation flying, and the discipline required for military aviation. Its honest handling characteristics meant that students learned proper technique; the Stearman would quickly reveal and punish sloppy flying, but reward smooth, coordinated control inputs.

After the war, thousands of surplus Stearmans flooded the civilian market. Many found new careers as crop dusters, with their robust construction and powerful engines making them ideal for agricultural aviation. Others became sport aircraft, aerobatic performers, and cherished warbirds. Today, the Boeing Stearman remains one of the most popular and actively flown vintage aircraft, with hundreds maintained in pristine condition by enthusiasts worldwide. The distinctive sound of a radial-engine Stearman and its classic yellow paint scheme (the standard trainer color) evoke the golden age of aviation and the heroic generation who learned to fly in these magnificent machines.

Manuals Included in This Collection

N2S-3 Navy Variant Documentation:

• Stearman Pilot Flight Operating Instructions for Army Model N2S-3 Airplane Manual, NAVAER 01-70ABQ-1, 1944
• Stearman N2S-3 Aircraft Pilot's Handbook Manual, B75NI-9003, 1942
• Stearman Aircraft Erection and Maintenance Manual N2S-3 Airplane Manual, B75N1-9002

N2S-4 Navy Variant Documentation:

• Stearman N2S-4 Aircraft Pilot's Handbook Manual, B75NI-9004, 1942

N2S-1, N2S-2, N2S-3 / PT-17 / PT-18 Documentation:

• Stearman Pilot Handbook N2S-1, N2S-2, N2S-3 PT-17 & PT-18 Airplane Manual, A75NI-9001, 1941

PT-13D / N2S-5 Documentation:

• Stearman Parts Catalog for Army Model PT-13D Navy N2S-5 Airplane Manual, T.O. 01-70AC-4, 1944
• Stearman Structural Repair Instructions for Army Model PT-13D, Navy Model N2S-5, T.O. 01-70AC-3
• Stearman Pilot Erection Maintenance for Army Model PT-13 Navy Model N2S Airplane Manual, T.O. 01-70AC-2, 1944
• Stearman Pilot Flight Operating Instructions for Army Model PT-13D, N2S-5 Airplane Manual, T.O. 01-70AC-1, 1940

PT-13B, PT-17, PT-18 Documentation:

• Stearman Parts Catalog for Army Model PT-13B, -17 and -18 Airplane Manual, T.O. 01-70AB-4, 1941
• Stearman PT-13, 17, 18 Aircraft Overhaul Instructions Manual, T.O. 01-70AB-3, 1940
• Stearman Service Instructions for Army Model PT-13B, -17 and -18 Airplane Manual, T.O. 01-70AB-2, 1940
• Stearman Pilot Flight Operating Instructions for Army Model PT-13B, -17 and -18 Airplane Manual, T.O. 01-70AB-1, 1940

PT-13 / PT-13A Documentation:

• Stearman Pilot Flight Operating Instructions for Army Model PT-13 and PT-13A Airplane Manual, T.O. 01-70AA-1, 1938

PT-17 Documentation:

• Stearman PT-17 Pilot's Flight Operating Instruction for Army Model PT-17 Airplane Manual, T.O. 01-70A-1, 1942

This collection provides comprehensive coverage of flight operations, maintenance procedures, parts identification, structural repair, overhaul instructions, and military technical orders for the complete Boeing Stearman Model 75 family.

Boeing Stearman Model 75 Variant Breakdown

Engineering Norms and Standards

Certification Basis: The Boeing Stearman Model 75 was developed to U.S. military specifications for primary training aircraft during the 1930s and 1940s. Army variants operated under Army Air Corps/Army Air Forces technical orders, while Navy variants followed Bureau of Aeronautics (BuAer) specifications and NAVAER technical publications.

Construction Standards: Boeing Stearman employed welded steel tube fuselage and tail construction with fabric covering, combined with wooden wing spars and ribs also fabric-covered. The biplane configuration with N-type interplane struts provided exceptional structural strength. Continental R-670 and Lycoming R-680 radial engines delivered reliable power with excellent power-to-weight ratios. The wide-track landing gear with bungee cord shock absorption tolerated hard student landings.

Manufacturing Quality: Boeing's Wichita facility maintained rigorous military quality standards throughout wartime production. The design emphasized ease of maintenance, parts interchangeability, and field repairability—essential for training aircraft operating at remote airfields. Robust construction allowed the airframe to withstand continuous training operations and student pilot errors while maintaining structural integrity.

Specialized Documentation

Military Technical Orders: The Boeing Stearman operated under comprehensive U.S. military technical order systems, including:

• T.O. 01-70 series: Army Air Forces flight operations, maintenance, parts, and structural repair
• NAVAER 01-70 series: Navy Bureau of Aeronautics flight operations and maintenance
• Variant-specific pilot handbooks with military operating procedures
• Overhaul instructions for depot-level maintenance
• Parts catalogs with military nomenclature and part numbers

Post-War Civilian Operations: The active Boeing Stearman fleet (hundreds of airworthy examples worldwide) benefits from extensive restoration and maintenance support:

• Type Certificate and airworthiness requirements for civilian-registered aircraft
• STC modifications for modern equipment, engines, and agricultural operations
• Parts availability through specialty suppliers and PMA manufacturers
• Fabric covering techniques meeting current FAA standards
• Radial engine overhaul and maintenance procedures (Continental R-670, Lycoming R-680, and upgraded engines)

Restoration Considerations: Common restoration challenges include authentic military paint schemes and markings, fabric-to-modern-materials conversions, wooden wing structure inspection and repair, radial engine sourcing and overhaul, and maintaining period-correct equipment and instruments.

Where to Find Additional Documentation

Official Support:

• Current Type Certificate Holders: Contact for current airworthiness requirements and compliance documentation for civilian-registered Stearmans
• Specialty Parts Suppliers: Multiple vendors specialize in Stearman parts, including Stearmans Unlimited, Wag-Aero, and other suppliers offering original and PMA parts

Historical Archives:

• Stearman Restorers Association: Active organization providing technical support, restoration expertise, and community resources
• Type Clubs and Owner Groups: Stearman-specific organizations sharing maintenance guidance, parts sourcing, and operational experience
• Warbird Organizations: Commemorative Air Force, Experimental Aircraft Association (EAA) Warbirds, and similar groups maintaining Stearmans in flying condition
• Museums: National Museum of the U.S. Air Force, National Naval Aviation Museum, and numerous regional museums with Stearman examples and archives

Specialty Vendors:

• Online Aviation Library: Structured digital collections with free lifetime updates, organized folder hierarchy, and professional-grade archival resources for restoration and research
• Aircraft Sales and Registries: Controller.com and Trade-A-Plane for current market listings, Airport-Data.com for production and registration data, FAA N-number lookup for airworthiness verification

Format and Delivery

All manuals are provided as high-quality PDF files for instant digital download. Search, bookmark, and reference critical technical information whenever needed. Print specific sections for hangar use or maintain the entire collection on a tablet for easy field access.

Disclaimer

This item is sold for historical and reference only. These are either original or copies of manuals and blueprints used when these aircraft were in active duty, now transferred into electronic format. These manuals and blueprints are not meant to be used for current update material for certification/repair, but make an excellent reference for the scholar, collector, modeller or aircraft buffs. For proprietary reasons, we generally only provide civil manuals and blueprints on obsolete aircraft/engines/helicopters. The information is for reference only, and we do not guarantee the completeness, accuracy or currency of any manuals.

Reference herein to any specific commercial products by trade name, trademark, manufacturer, or otherwise, is not meant to imply or suggest any endorsement by, or affiliation with that manufacturer or supplier. All trade names, trademarks and manufacturer names are the property of their respective owners.

This digital compilation, structure, indexing and presentation are © Sicuro Publishing.