| [Photo-ID: 10185] © Karsten Palt 2014-05-28 |
 | Spad XIII [info] United States Army Air Service Reg.: S7689 c/n: 7689
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| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10782] © Karsten Palt 2015-04-04 |
 | Bleriot XI-2 [info]
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| Musee de l Air et de l Espace [Paris Le Bourget, France] |
| [Photo-ID: 12182] © Karsten Palt 2016-02-18 |
 | Bleriot (SIT) XI-2 [info] Royal Italian Army (Regio Esercito) Reg.: BL160 / BL246 displayed as Italian Army BL246 |
| Museo Aeronautica Militare [Bracciano, Vigna di Valle, Italy] |
| [Photo-ID: 1163] © Karsten Palt 2008-07-16 |
 | Bleriot XI [info] Reg.: 164 c/n: BAPC.106
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| Royal Air Force Museum [London-Hendon, United Kingdom] |
| [Photo-ID: 1973] © Karsten Palt 2009-04-04 |
 | Bleriot XI [info] Swiss Air Force / Schweizer Luftwaffe
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| Flieger Flab Museum [Dübendorf (LSMD), Switzerland] |
| [Photo-ID: 11120] © Karsten Palt 2015-06-03 |
 | McCulloch XHUM-1 United States Navy Reg.: 133817 c/n: 1001 ex N4072K |
| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 10286] © Karsten Palt 2014-05-28 |
 | Hiller XH-44 Hiller-Copter Reg.: NX30033
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| NASM Udvar Hazy Center [Chantilly, VA, USA] |
| [Photo-ID: 12420] © Karsten Palt 2016-04-12 |
 | Chance-Vought XF8U-1 Crusader [info] United States Navy Reg.: 138899 first of two prototypes |
| Museum of Flight [Seattle, WA, USA] |
| [Photo-ID: 13250] © Karsten Palt 2016-10-10 |
 | Lockheed XC-60B Lodestar [info] South African Air Force Reg.: 1373 / 254 c/n: 18-2035 ex N102V |
| Castle Air Museum [Atwater, CA, USA] |
| [Photo-ID: 13251] © Karsten Palt 2016-10-10 |
 | Lockheed XC-60B Lodestar [info] South African Air Force Reg.: 1373 / 254 c/n: 18-2035 ex N102V |
| Castle Air Museum [Atwater, CA, USA] |
| [Photo-ID: 10305] © Karsten Palt 2014-05-28 |
 | Lockheed Martin X-35B United States Air Force (USAF) Reg.: 301 c/n: PAV-1 prototype |
| NASM Udvar Hazy Center [Chantilly, VA, USA] |
| [Photo-ID: 10306] © Karsten Palt 2014-05-28 |
 | Lockheed Martin X-35B United States Air Force (USAF) Reg.: 301 c/n: PAV-1 prototype |
| NASM Udvar Hazy Center [Chantilly, VA, USA] |
| [Photo-ID: 3181] © Karsten Palt 2010-01-31 |
 | Rockwell-MBB X-31 Vector US Navy / BWB Reg.: 164585 / SD-031 c/n: 2
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| Flugwerft Schleißheim [Oberschleißheim (EDNX), Germany] |
| [Photo-ID: 3182] © Karsten Palt 2010-01-31 |
 | Rockwell-MBB X-31 Vector US Navy / BWB Reg.: 164585 / SD-031 c/n: 2
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| Flugwerft Schleißheim [Oberschleißheim (EDNX), Germany] |
| [Photo-ID: 10170] © Karsten Palt 2014-05-28 |
 | North American X-15A-1 United States Air Force (USAF) Reg.: 56-6670 c/n: 240-1 first of three built X-15, the X-15 holds the world's record of highest speed ever reached by a manned aircraft |
| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10171] © Karsten Palt 2014-05-28 |
 | North American X-15A-1 United States Air Force (USAF) Reg.: 56-6670 c/n: 240-1 first of three built X-15, the X-15 holds the world's record of highest speed ever reached by a manned aircraft |
| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10129] © Karsten Palt 2014-05-28 |
 | Bell X-1 United States Air Force (USAF) Reg.: 46-0062 c/n: 1 Glamorous Glennis |
| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 7201] © Karsten Palt 2013-05-19 |
 | English Electric Wren Reg.: G-EBNV / 4 c/n: 3 one of 3 built |
| The Shuttleworth Collection [Old Warden Aerodrome Biggleswade, United Kingdom] |
| [Photo-ID: 1027] © Karsten Palt 2008-07-10 |
 | White White Quadruplane Reg.: N546 Replica |
| Solent Sky Museum [Southampton, United Kingdom] |
| [Photo-ID: 1054] © Karsten Palt 2008-07-10 |
 | Westland Wessex HU5 [info] Royal Navy Reg.: XS511 c/n: WA180
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| Tangmere Military Aviation Museum [Tangmere, United Kingdom] |