Editing Boeing 747 (section)

==== 747-100B ====
[[File:Iran Air Boeing 747-100 Lofting-1.jpg|thumb|An [[Iran Air]] {{not a typo|747-100B}}, the last {{not a typo|747-100}} in passenger service|alt=Top view of quadjet on apron]]

The 747-100B model was developed from the -100SR, using its stronger airframe and landing gear design. The type had an increased fuel capacity of {{convert|48070|USgal|L|abbr=on}}, allowing for a {{convert|5000|nmi|adj=on}} range with a typical 452-passenger payload, and an increased MTOW of {{convert|750000|lb|t|abbr=on}} was offered. The first -100B order, one aircraft for [[Iran Air]], was announced on June 1, 1978. This version first flew on June 20, 1979, received FAA certification on August 1, 1979, and was delivered the next day.<ref>Airclaims Jet program 1995</ref> Nine -100Bs were built, one for [[Iran Air]] and eight for [[Saudia|Saudi Arabian Airlines]].<ref>[https://www.nytimes.com/1981/03/31/business/saudia-orders-4-boeing-747-s.html "Saudia Orders 4 Boeing 747's"]. ''The New York Times''. Retrieved: December 12, 2007.</ref><ref>Norris and Wagner 1997, pp. 52–53.</ref> Unlike the original -100, the -100B was offered with Pratt & Whitney JT9D-7A, CF6-50, or [[Rolls-Royce Holdings|Rolls-Royce]] [[Rolls-Royce RB211#RB211-524 series|RB211-524]] engines. However, only RB211-524 (Saudia) and JT9D-7A (Iran Air) engines were ordered.<ref name="Airclaims_p111">''Airclaims Jet Programs'' 1995, p. 111.</ref> The last 747-100B, EP-IAM was retired by Iran Air in 2014, the last commercial operator of the 747-100 and -100B.<ref>{{Cite web |date=January 22, 2014 |title=The world's last 747-100 makes final flight with Iran Air |url=http://www.arabianaerospace.aero/the-world-s-last-747-100-makes-final-flight-with-iran-air.html |access-date=March 12, 2015 |website=Arabian Aerospace}}</ref>