Boeing Pursuit Aircraft 1923–1935 — Primary-Source Technical Documentation Collection

This collection preserves the surviving original factory manuals and government technical orders for Boeing's foundational pursuit aircraft lineage — from the arc-welded steel-tube PW-9 of 1923 through the all-metal monoplane P-26A Peashooter of 1934. Spanning twelve years of rapid aeronautical evolution, these documents capture the transition from fabric-covered biplane fighters to the first production all-metal monoplane pursuit in U.S. service. All titles are preserved as issued by the Boeing Airplane Company, Seattle, and the U.S. Army Air Corps Materiel Division, Wright Field.

Aircraft Families Covered

Aerodynamic & Engineering Context

The PW-9 and FB series established Boeing's foundational pursuit architecture: welded steel-tube fuselage, fabric-covered wings, and liquid-cooled Packard inline engines. Cooling system pressure-drop management and wire-bracing aerodynamic interference were primary engineering challenges of this generation. The transition to the P&W R-1340 Wasp radial in the F4B and P-12 families introduced Townend ring and NACA cowling evaluations to balance cylinder cooling efficiency against drag reduction. Lateral control studies on the F4B and P-12 analysed roll rate differentials between the tapered upper wing and untapered lower wing configurations. The P-26A represented the decisive break: all-metal semi-monocoque construction, low-wing monoplane layout, and externally braced wings — the last Boeing pursuit to retain wire bracing before the fully cantilever era.

Documents in This Collection (6 Titles · 4 Unique Documents)

PW-9 / FB Series — Dual-Service Factory Manual

• Instructions for the Assembly and Maintenance of the Boeing Single Seater Pursuit and Fighter Airplanes — U.S. Army Air Corps: PW-9 · PW-9A · PW-9C / U.S. Navy: FB-1 · FB-5 — Boeing Airplane Company, Seattle, Washington (two surviving physical copies preserved)

F4B Series — Navy Factory Manual

• Instructions for the Assembly and Maintenance together with Parts Catalogue of the Boeing Type F4B-1 Single Seater Pursuit Airplanes — Manufactured for the United States Navy Department, Bureau of Aeronautics — Boeing Airplane Company, Seattle, Washington

P-12 Series — Army Factory Manual

• Instructions for the Assembly & Maintenance together with Parts Catalog of the Boeing Type P-12C and P-12D Airplanes — Manufactured for the United States Army Air Corps — April 1931 — Boeing Airplane Company (A Division of the United Aircraft & Transport Corporation), Seattle, Washington (two surviving physical copies preserved)

P-26A Peashooter — USAAC Technical Order

• Technical Order No. 01-20D — Handbook of Instructions with Parts Catalog for the P-26A Pursuit Airplane — A.C. Contract W-635-AC-6642, Specification 1730 — Published by authority of the Chief of the Air Corps, Materiel Division, Field Service Section, Wright Field, Dayton, Ohio — 1 February 1934, Revised 1 May 1935

Also Available — Engineering Drawings

Collectors and researchers working with this documentation set may also be interested in the companion Boeing F4B · P-12 · P-26 Peashooter · P-29 — Airframe Engineering Drawings collection, available separately on Online Aviation Library. The drawings set provides original factory blueprint-level structural and systems drawings that complement the manuals preserved here.

→ View the Boeing F4B · P-12 · P-26 · P-29 Airframe Engineering Drawings

⚠️ Regulatory Notice: Under FAA 14 CFR § 43.13 and EASA Part-M, any mechanic performing maintenance on an active aircraft must use current, manufacturer-approved revision-controlled data. This archival document does not satisfy that requirement.

This is an archival, static-copy edition fixed at its original publication date. Intended for historical reference, flight simulation, museum restoration, and educational use only. Not approved for active airworthiness maintenance under FAA 14 CFR § 43.13, EASA Part-M, or equivalent international regulations. Operators of active aircraft must use current, revision-controlled publications from the Type Certificate holder or an authorized distributor.

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