Roger Baker: Is it N5452V (Dave Allender)? Later, N1751D....


Jacques Bourguignon: Case # 155 is P-51D s/n 44-63675 N1751D, carrying a mixture of markings it wore while in USAAF service as Sierra Sue and as Fv 26152 with the Royal Swedish Air Force. The plane also operated with the air force of Nicaragua and was 0btained by Dr. Christgau in 1977 ( Source: Air Classics, Volume 38, Number 3 ).


Dave Lindauer: This is of course the USAAF combat veteran 44-63675, N1751D, which has been with Roger Christgau in Minnesota since the 1970s. The markings shown here are a mix of those it wore with the USAAF in Europe as E6*D, "Sierra Sue II," plus it's later markings with the Royal Swedish Air Force as Fv26152, "Gul Kalle." Sold by the Swedes to the Nicaragua National Guard, it is said to have been damaged on its delivery flight, then displayed outdoors. (Was a FAN or GN serial number ever issued to this one?) MACO brought it back to the US in the early 1960s. Dave Allender flew and race modified it (F1 style canopy and clipped wingtips) before passing it to Christgau. Other former ID's include N5452V, "Wayfarers Club," Race #19, and "Spirit of San Diego."


Dan Johnson: Easy one. "Doc" Christgau flying 9th AF vet, Swedish AF vet and Nicaraguan vet Mustang 44-63675 "Sierra Sue II"


Joe Scheil: A famous mustang, Sierra Sue II wearing her composite Swedish/USAAF Markings. It is not too far from the truth as the E6-D was etched into her skin in such a pronounced way that even the pictures of her Swedish service show the code letters. 44-63675, Fv26152 and N5452V "Wayfarers Club Lady" Race 19 and then N1751D "Sierra Sue II"


Jasmin Klacar: I'm probably the biggest P-51 fan in Bosnia. Here is what I know about that specific Mustang. This is a P-51D "Sierra Sue II", s/n 44-63675 (NL1751D). It sports a very interesting combination of markings, US on the left side and Swedish on the right. It was one of the 160+ P-51s in service with the Swedish "Flygvapen" during late '40s and early '50s. In fact, most of today's surivors have actually been in Swedish service before being sold to various Latin American countries and slowly finding their way to the US. "Sierra Sue II's" current owner and pilot is Dr. Roger Christgau.


Hans Brueggeman: Dear Sirs, maybe this link will give some answers to the case... 44-63675 greetings from germany,


William Lamb: This should be Doctor Roger Christgau's N1751D and carries a mixture of markings it carried when in service with the USAAF in WWII,and with the Royal Swedish Air Force