| [Photo-ID: 7366] © Karsten Palt 2013-09-06 |
 | Waco YKS-6 [info] Deutsches Museum Flugwerft Schleissheim Reg.: NC16512 c/n: 4505
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| Oldtimer-Fliegertreffen 2013 [Kirchheim unter Teck - Hahnweide (EDST), Germany] |
| [Photo-ID: 7740] © Karsten Palt 2013-08-10 |
 | Waco YKS-6 [info] Deutsches Museum Flugwerft Schleissheim Reg.: NC16512 c/n: 4505
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| Flugtage Bautzen 2013 [Bautzen (EDAB), Germany] |
| [Photo-ID: 5524] © Karsten Palt 2012-01-11 |
 | Sikorsky YH-5A Dragonfly [info] United States Air Force (USAF) Reg.: 43-46620 c/n: 164
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| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB), USA] |
| [Photo-ID: 10358] © Karsten Palt 2014-05-28 |
 | Sikorsky YH-19 (S-55) [info] Reg.: N4782D c/n: 1 first S-55 built |
| NASM Udvar Hazy Center [Chantilly, VA, USA] |
| [Photo-ID: 6305] © Karsten Palt 2012-06-12 |
 | Kellett YG-1B (KD-1A) United States Army Air Corps (USAAC) Reg.: 37-381 c/n: 108 flyable |
| Yanks Air Museum [Chino, CA, USA] |
| [Photo-ID: 6153] © Karsten Palt 2012-06-14 |
 | Convair YF2Y-1 Sea Dart United States Navy Reg.: 135763
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| San Diego Air and Space Museum [San Diego, CA, USA] |
| [Photo-ID: 5522] © Karsten Palt 2012-01-11 |
 | Northrop YF-5A Freedom Fighter [info] United States Air Force (USAF) Reg.: 59-4989 c/n: N.6003 one of three prototypes |
| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB), USA] |
| [Photo-ID: 12461] © Karsten Palt 2016-04-12 |
 | Northrop YF-5A Freedom Fighter [info] United States Air Force (USAF) Reg.: 59-4987 / F-987 c/n: N6001 first of three prototypes |
| Museum of Flight [Seattle, WA, USA] |
| [Photo-ID: 11127] © Karsten Palt 2015-06-03 |
 | McDonnell YF-4J Phantom II [info] United States Navy Reg.: 151497 / 7 c/n: 655
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| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 11128] © Karsten Palt 2015-06-03 |
 | McDonnell YF-4J Phantom II [info] United States Navy Reg.: 151497 / 7 c/n: 655
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| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 5523] © Karsten Palt 2012-01-11 |
 | Lockheed / Lockheed Martin YF-117A Nighthawk [info] United States Air Force (USAF) Reg.: 79-10781 c/n: A.4006
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| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB), USA] |
| [Photo-ID: 11161] © Karsten Palt 2015-06-03 |
 | North American YF-107A United States Air Force (USAF) Reg.: 55-5118 c/n: 212-1 one of 3 built F-107 |
| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 10159] © Karsten Palt 2014-05-28 |
 | Lockheed YF-104A Starfighter [info] NASA Reg.: N818NA c/n: 183-1007
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| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 10160] © Karsten Palt 2014-05-28 |
 | Lockheed YF-104A Starfighter [info] NASA Reg.: N818NA c/n: 183-1007
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| National Air and Space Museum [Washington, DC, USA] |
| [Photo-ID: 11009] © Karsten Palt 2015-06-03 |
 | Douglas YEA-3A Skywarrior [info] United States Navy Reg.: 130361 / W c/n: 12 / 9262
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| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 11010] © Karsten Palt 2015-06-03 |
 | Douglas YEA-3A Skywarrior [info] United States Navy Reg.: 130361 / W c/n: 12 / 9262
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| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 10932] © Karsten Palt 2015-06-03 |
 | Boeing YC-14A Reg.: 72-1873 c/n: P1 one of 2 built |
| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 10933] © Karsten Palt 2015-06-03 |
 | Boeing YC-14A Reg.: 72-1873 c/n: P1 one of 2 built |
| Pima Air and Space Museum [Tucson, AZ, USA] |
| [Photo-ID: 11371] © Karsten Palt 2015-06-01 |
 | Boeing YC-14A Reg.: 72-1874 c/n: P2 one of 2 built, retired 1980, Celebrity Row |
| AMARG - Boneyard [Tucson, AZ, USA] |
| [Photo-ID: 5464] © Karsten Palt 2012-01-11 |
 | Northrop YC-125B Raider [info] United States Air Force (USAF) Reg.: 48-622 c/n: 2510
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| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB), USA] |