Air Mauritius signed a memorandum of understanding Wednesday for four Airbus A350-900s and said it would lease two more of the all-new widebody.

Bombardier has inked tentative deals for a total of 12 CSeries aircraft from two unnamed customers at the Farnborough Airshow, taking it over 500 orders and commitments for the type.

Myanmar’s state-owned national airline Myanma Airways—to be renamed Myanmar National Airlines in the near future—signed a deal for six ATR 72-600s with six options at the Farnborough Airshow.

North Africa-based Air Algérie has placed an order for two Boeing next-generation 737-700C aircraft, valued at $152 million at current list prices.

Thai budget carrier Nok Air has firmed up purchase rights on two Bombardier Q400s, valued at $66 million, taking the program to over 500 orders.

The Engine Alliance (EA), a General Electric-Pratt & Whitney joint venture, plans later this year to define a new set of performance upgrade packages to the Airbus A380’s GP7200 engine as Airbus continues to evaluate future propulsion options ranging from incremental improvements to re-engining.

Airbus plans to make the decision about whether or not it will launch a re-engined version of the Airbus A380 in 2015, Airbus Chief Commercial Officer Customers John Leahy told Aviation Week at the Farnborough Air Show.

Low-cost carrier AirAsia X signed a memorandum of understanding Tuesday for 50 Airbus A330-900neos, becoming the launch airline customer for the re-engined widebody that was launched Monday at the Farnborough Airshow.