THANK YOU!

YOUR PURCHASE OF THESE BOOKS SUPPORTS THE WEB SITES THAT BRING TO YOU THE HISTORY BEHIND OLD AIRFIELD REGISTERS

Your copy of the Davis-Monthan Airfield Register 1925-1936 with all the pilots' signatures and helpful cross-references to pilots and their aircraft is available at the link. 375 pages with black & white photographs and extensive tables

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The Congress of Ghosts (available as eBook) is an anniversary celebration for 2010.  It is an historical biography, that celebrates the 5th year online of www.dmairfield.org and the 10th year of effort on the project dedicated to analyze and exhibit the history embodied in the Register of the Davis-Monthan Airfield, Tucson, AZ. This book includes over thirty people, aircraft and events that swirled through Tucson between 1925 and 1936. It includes across 277 pages previously unpublished photographs and texts, and facsimiles of personal letters, diaries and military orders. Order your copy at the link.

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Military Aircraft of the Davis Monthan Register 1925-1936 is available at the link. This book describes and illustrates with black & white photographs the majority of military aircraft that landed at the Davis-Monthan Airfield between 1925 and 1936. The book includes biographies of some of the pilots who flew the aircraft to Tucson as well as extensive listings of all the pilots and airplanes. Use this FORM to order a copy signed by the author, while supplies last.

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Art Goebel's Own Story by Art Goebel (edited by G.W. Hyatt) is written in language that expands for us his life as a Golden Age aviation entrepreneur, who used his aviation exploits to build a business around his passion.  Available as a free download at the link.

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Winners' Viewpoints: The Great 1927 Trans-Pacific Dole Race (available as eBook) is available at the link. This book describes and illustrates with black & white photographs the majority of military aircraft that landed at the Davis-Monthan Airfield between 1925 and 1936. The book includes biographies of some of the pilots who flew the aircraft to Tucson as well as extensive listings of all the pilots and airplanes. Use this FORM to order a copy signed by the author, while supplies last.

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Clover Field: The first Century of Aviation in the Golden State (available in paperback) With the 100th anniversary in 2017 of the use of Clover Field as a place to land aircraft in Santa Monica, this book celebrates that use by exploring some of the people and aircraft that made the airport great. 281 pages, black & white photographs.

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I'm looking for information and photographs of pilot Holloway and his airplane to include on this page. If you have some you'd like to share, please click this FORM to contact me.

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BOEING MONOMAIL NC10225

This large, sleek, single-engine monoplane landed once at Peterson Field, on Saturday, August 24, 1935 at 4:42PM. The pilot, H.C. Holloway, carried a single passenger. They arrived at Colorado Springs from Pueblo, CO. They remained overnight, departing for Denver, CO the next day. Holloway identified the owner of the airplane as Wyoming Air Service.

The Monomail was originally introduced in 1931 as the Model 200, a cargo-only, Pratt & Whitney Hornet-powered airplane with a top speed of about 140MPH. It was the first successful smooth metal, commercial airplane. It was also the first commercial airplane to be fitted with retractable landing gear. Only one Model 200 was made (NC725W, S/N 1153, not a Register airplane).

NC10225 (S/N 1154) was the second Monomail made by the Boeing Airplane Company, Seattle, WA. Technical details, and additional photographs, are spelled out in this REFERENCE, volume 4, page 208. NC10225 was designated Model 221 and was powered by a 575HP Hornet engine. The interior was designed to carry eight passengers, plus 575 pounds of baggage/cargo. It was a large airplane, with a wingspan of 59'2". The pilot sat above and behind the passenger compartment in an open cockpit. The landing gear were retracted into the wing with the wheels projecting below the wing bottom surface. Below is a photograph of NC10225 from the REFERENCE linked just above.

Boeing Monomail Model 221, NC10225 Aloft, Ca. 1931 (Source: REFERENCE)
Boeing Monomail Model 221, NC10225  Aloft, Ca. 1931 (Source: REFERENCE)

NC10225, the Model 221, was a big deal in the early 1930s, being a test bed for long distance passenger transport on a scheduled airline. In 1931 the Boeing System flew the airplane on its San Francisco to Chicago route. Later that year the Boeing System merged with National Air Transport to form United Air Lines. In the original photo, above, you can clearly read "UNITED AIR LINES" under the row of four passenger windows in front of the cockpit. This photo, with what appears to be Mr. Ranier in the background, was taken near Seattle.

As experience with United grew, Boeing modified both their Model 221 and the Model 200 to the Model 221-A, which seated six passengers plus baggage/cargo. NC725W was also tested with full-panted, non-retracting gear. In all, only two examples were manufactured by Boeing. It was significant to Boeing, because the testing performed yielded data for Boeing to design its next commercial transport. NC10225 was the single-engine forerunner of the twin-engine Boeing 247 transport placed in service in 1933. The importance of the Model 221 to commercial transport was reviewed in Popular Aviation magazine, May, 1936, downloadable at the link (PDF 1.2Mb). A photograph of NC10225 is featured in the article.

I could find no information about NC10225 at the Smithsonian, therefore I have no information about its chain of custody (other than it was flying for Wyoming Air Service in 1935) or its ultimate fate. If you can help fill in the blanks, please let me KNOW.

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THIS PAGE UPLOADED: 07/17/14 REVISED: