{"product_id":"glenn-l-martin-model-139-wh3-manual-research-reports","title":"Glenn L. Martin Model 139-WH3 Manual \u0026 Research Reports","description":"\u003cp\u003eA historical documentation collection centered on the Glenn L. Martin Model 139-WH3 Bombardment Airplane. It pairs a period manufacturer manual with separate modern informational reports prepared and checked by Sicuro Publishing.\u003c\/p\u003e\u003ch3\u003ePrimary-source manual\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eMaintenance Manual for the Model 139-WH3 Bombardment Airplane\u003c\/strong\u003e, issued June 1938. Its title page states that it covers aircraft numbered 775–794 and 796–814.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThe supplied index samples list aircraft description and performance; special piloting instructions; powerplant specifications, ratings, fuel and oil data; wings and split flaps; empennage; fuselage; tail wheel; nacelles; landing gear; powerplant; fuel and oil systems; bomb and machine-gun installations; surface controls; electrical system; radio; instruments; inspection procedures; and appendices. The index identifies a “Curtiss Constant Speed Propeller” section at page 1014 and “Curtiss Propeller Installation” at page 1902.\u003c\/p\u003e\u003ch3\u003eSeparate Sicuro Publishing reports\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGlenn L. Martin Model 139 Technical Report\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGlenn L. Martin Company Model 139: Technical Documentation, Engineering Bulletins \u0026amp; Performance Logs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMartin Model 139 Technical \u0026amp; Performance Report\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are modern editorial reports, not original Glenn L. Martin Company publications. They present research and technical interpretations separately from the primary-source manual. Where figures differ between reports, consult each report in its own context rather than treating the figures as one definitive specification.\u003c\/p\u003e\u003ch3\u003ePublisher and historical-use notice\u003c\/h3\u003e\u003cp\u003eSicuro Publishing is responsible for preparing and checking its reports and for the publication of this collection, including applicable permissions for material it distributes. The original manual remains a historical primary source. This collection is for historical research and reference only; it is not current approved maintenance, repair, airworthiness or operational information, and must not replace current approved documentation.\u003c\/p\u003e","brand":"Online Aviation Library","offers":[{"title":"Default Title","offer_id":54201252938075,"sku":null,"price":50.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4788\/3867\/files\/martin-model-139-wh3-oal-banner.png?v=1790493667","url":"https:\/\/onlineaviationlibrary.com\/products\/glenn-l-martin-model-139-wh3-manual-research-reports","provider":"Online Aviation Library","version":"1.0","type":"link"}