Packard DR-980 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Packard DR-980" in English language version.

refsWebsite

Global rank English rank

3web.archive.org

1^st place

1^st place

2enginehistory.org

low place

low place

1goldenwingsmuseum.com

low place

low place

low place

low place

low place

7,155^th place

482^nd place

552^nd place

aerofiles.com

Aviation Chronology Retrieved: 7 February 2009

enginehistory.org

Aircraft Engine Historical Society – Diesels Archived 2012-02-12 at the Wayback Machine Retrieved: 30 January 2009
Aircraft Engine Historical Society – Packard Archived 2015-03-25 at the Wayback Machine Retrieved: 30 January 2009

goldenwingsmuseum.com

Golden Wings Flying Museum Retrieved: 30 January 2009

naa.aero

National Aeronautic Association – Collier Trophy winners Retrieved: 29 December 2018

scribd.com

Publication: May 1930 QST

web.archive.org

Aircraft Engine Historical Society – Diesels Archived 2012-02-12 at the Wayback Machine Retrieved: 30 January 2009
National Museum of the United States Air Force – Packard DR-980 fact sheet Retrieved: 16 July 2017
Aircraft Engine Historical Society – Packard Archived 2015-03-25 at the Wayback Machine Retrieved: 30 January 2009