| [Photo-ID: 1818] © Karsten Palt 2009-04-03 |
 | Liberty
XL-2 [info]
Ecoflight Switzerland
Reg.: N537XL
c/n: 0031
|
| AERO Friedrichshafen 2009 [Friedrichshafen (EDNY / FDH), Germany] |
| [Photo-ID: 10952] © Karsten Palt 2015-06-03 |
 | Columbia
XJL-1
Reg.: N54205
one of 3 built |
| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 5500] © Karsten Palt 2012-01-11 |
 | Spad
XIII C1 [info]
United States Army Air Service
Reg.: N2030A
c/n: 1924E
|
| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB), USA] |
| [Photo-ID: 6572] © Karsten Palt 2013-04-01 |
 | Spad
XIII C1 [info]
Belgian Air Force
Reg.: SP-49
|
| Koninklijk Legermuseum [Brussel, Belgium] |
| [Photo-ID: 10184] © Karsten Palt 2014-05-28 |
 | Spad
XIII [info]
United States Army Air Service
Reg.: S7689
c/n: 7689
|
| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10185] © Karsten Palt 2014-05-28 |
 | Spad
XIII [info]
United States Army Air Service
Reg.: S7689
c/n: 7689
|
| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10782] © Karsten Palt 2015-04-04 |
 | Bleriot
XI-2 [info]
|
| 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
|
| Royal Air Force Museum [London-Hendon, United Kingdom] |
| [Photo-ID: 1973] © Karsten Palt 2009-04-04 |
 | Bleriot
XI [info]
Swiss Air Force / Schweizer Luftwaffe
|
| 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
|
| 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
|
| 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
|
| 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] |
