Southwest Airlines (WN, Dallas Love Field) has signed a deal with Boeing (BOE, Washington National) subsidiary, Aviation Partners Boeing (APB), for 85 Split Scimitar Winglet sets to be retrofitted to the LCC's existing fleet of fifty-two B737-800 WIN.s, in addition to the thirty-three B737-800s the airline expects to be delivered in 2014. Pending FAA certification, Southwest Airlines plans to begin the Split Scimitar Winglet retrofits at Aviation Technical Services, based in Everett, Washington, in the first half of 2014, with an expected completion of all retrofits by early 2015.