Aircastle Limited, a global lessor of high-utility commercial jet aircraft to passenger and cargo airlines, announced the terms for its IPO on Tuesday. The Stamford, CT based company plans to offer 9.1 million shares at a range of $21-$23 with a proposed market cap of $50 million. JP Morgan, Bear Stearns & Co. and Citigroup are acting as joint book runners on the deal. Timing has yet to be announced.

