Delta Air Lines Inc. pilots voted on Wednesday to approve a 14 percent pay cut in a deal their union worked out with management to help the bankrupt carrier cope with an expected cash crunch.

It is the second double-digit pay cut that pilots have accepted in 13 months.

Delta and the Air Line Pilots Assn., which represents the Atlanta-based company’s 6,000 pilots, will try to hammer out a comprehensive agreement by March. If not, the sides have agreed to let the decision be made by a three-person arbitration panel.