Bell YOH-4 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bell YOH-4" in English language version.

refsWebsite

Global rank English rank

6web.archive.org

1^st place

1^st place

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6^th place

11000aircraftphotos.com

low place

low place

1prohosting.com

low place

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1georgespangenberg.com

low place

low place

1rotormagazine.org

low place

low place

1helicoptermuseum.org

low place

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1thisdayinaviation.com

low place

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1,349^th place

866^th place

1000aircraftphotos.com

Johan Visschedijk (16 October 2003). "Bell 206 JetRanger". Archived from the original on September 14, 2006.

archive.org

Harding, Stephen (1997). U.S. Army Aircraft Since 1947. Atglen, PA, USA: Schiffer Publishing Ltd. p. 42. ISBN 978-0-933424-53-1.

georgespangenberg.com

Spangenberg, George A. George A. Spangenberg Oral History Archived 2008-09-10 at the Wayback Machine. www.spangenberg.org. Judith Spangenberg-Currier, ed. pp.187-190. Accessed on 29 April 2008.

helicoptermuseum.org

"American Helicopter Museum: Bell 206 JetRanger". Archived from the original on 2006-10-02. Retrieved 2009-06-28.

illinois.edu

m-selig.ae.illinois.edu

Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

prohosting.com

fire.prohosting.com

Beechy, Robert. "U.S Army Aircraft Acquisition Programs". Archived 2006-11-18 at the Wayback Machine Uncommon Aircraft 2006. 18 November 2005. Accessed on 19 September 2006.

rotormagazine.org

Aastad, Andy. "The Introduction to the JetRanger". Archived September 10, 2008, at the Wayback Machine Rotor Magazine. Helicopter Association International. Winter 2006-2007. Accessed on 5 April 2009.

thisdayinaviation.com

8 December 1962

web.archive.org

Johan Visschedijk (16 October 2003). "Bell 206 JetRanger". Archived from the original on September 14, 2006.
Remington, Steve. "The Cessna CH-1 Helicopter". CollectAir.com
Beechy, Robert. "U.S Army Aircraft Acquisition Programs". Archived 2006-11-18 at the Wayback Machine Uncommon Aircraft 2006. 18 November 2005. Accessed on 19 September 2006.
Spangenberg, George A. George A. Spangenberg Oral History Archived 2008-09-10 at the Wayback Machine. www.spangenberg.org. Judith Spangenberg-Currier, ed. pp.187-190. Accessed on 29 April 2008.
Aastad, Andy. "The Introduction to the JetRanger". Archived September 10, 2008, at the Wayback Machine Rotor Magazine. Helicopter Association International. Winter 2006-2007. Accessed on 5 April 2009.
"American Helicopter Museum: Bell 206 JetRanger". Archived from the original on 2006-10-02. Retrieved 2009-06-28.