| [Photo-ID: 3116] © Hartmut Ehlers 2010-01-17 |
 | Neiva
YL-42 (420L) Regente ELO [info]
Brazilian Air Force / Forca Aerea Brasileira (FAB)
Reg.: 3120 / 20
c/n: 3501
The sole YL-42 prototype. |
| Museu Aéroespacial (MUSAL), Campo dos Afonsos [Base Aerea dos Afonsos - BAAF (SBAF), Brazil] |
| [Photo-ID: 3117] © Hartmut Ehlers 2010-01-17 |
 | Neiva
YL-42 (420L) Regente ELO [info]
Brazilian Air Force / Forca Aerea Brasileira (FAB)
Reg.: 3120 / 20
c/n: 3501
The sole YL-42 prototype. |
| Museu Aéroespacial (MUSAL), Campo dos Afonsos [Base Aerea dos Afonsos - BAAF (SBAF), Brazil] |
| [Photo-ID: 611] © Karsten Palt 2007-09-08 |
 | Waco
YKS-6 [info]
Reg.: NC16512
c/n: 4505
|
| Oldtimer-Fliegertreffen 2007 [Kirchheim unter Teck - Hahnweide (EDST), Germany] |
| [Photo-ID: 2586] © Karsten Palt 2009-09-04 |
 | Waco
YKS-6 [info]
Reg.: NC16512
c/n: 4505
|
| Oldtimer-Fliegertreffen 2009 [Kirchheim unter Teck - Hahnweide (EDST), Germany] |
| [Photo-ID: 3236] © Karsten Palt 2010-01-31 |
 | Waco
YKS-6 [info]
Deutsches Museum Flugwerft Schleissheim
Reg.: NC16512
c/n: 4505
|
| Flugwerft Schleißheim [Oberschleißheim (EDNX), Germany] |
| [Photo-ID: 7366] © Karsten Palt 2013-09-06 |
 | Waco
YKS-6 [info]
Deutsches Museum Flugwerft Schleissheim
Reg.: NC16512
c/n: 4505
|
| 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
|
| 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
|
| 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
|
| 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
|
| 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
|
| 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
|
| 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
|
| 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
|
| 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
|
| Pima Air and Space Museum [Tucson, AZ, USA] |
