|Herbert Wilhelm Franz Knappe|
|Born||18 January 1891
Glatz i. Schl.
|Unit||FFA 21, Jasta Ober-Ost, Jasta 73|
|Commands held||Jasta 81|
|Awards||Knight's Cross with Swords of the House Order of Hohenzollern|
Knappe joined the Luftstreitkräfte in September 1914. He was commissioned Leutnant on 17 May 1916. He scored his first victory the following month, on 5 June, while flying with Feld-Fleiger Abteilung 21. He used an Albatros D.II to down a Russian airplane.
His second triumph would not come for almost two years. From FFA 21, Knappe would be posted to Jasta Ober-Ost, then on to join Jasta 81 in France. He began 1918 with receipt of the House Order of the Hohenzollen on 9 January. On 31 May 1918, he shot down a SPAD S.XIII over Remigny[disambiguation needed]. On 7 June, he took out an enemy observation balloon at Fleury-la-Rivière. Two days later, he shot down an AR2. A week after that, on 16 June, he himself was shot down for the second time.
Knappe's 22 July 1918 victory over a Spad made him an ace. He would run off a string of four more victories, on 4, 7, 10, and 11 August 1918. On 25 August 1918, Knappe was wounded so severely he could not return to combat before war's end.
- Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps, 1914-1918. Norman L. R. Franks, Frank W. Bailey, Russell Guest. Grub Street, 1993. ISBN 0-948817-73-9, ISBN 978-0-948817-73-1.
- Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps, 1914-1918. p. 146.
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