January 30th: GE Capital Aviation Services Limited (GECAS), the commercial aircraft leasing and financing arm of GE, announced delivery of three new Boeing 737-800 aircraft leased to Royal Air Maroc. The Boeing 737-800 was named recently in a study by Avolon as having the best value retention of all aircraft in a sample of 22 1999-manufactured aircraft value retention (2011 appraised base value as percentage of 1999 base price).