Air Lease Corp. (ALC) delivered four newly built aircraft and secured lease agreements for five aircraft from three customers during the first quarter of 2018, the Los Angeles-based lessor said April 5. ALC’s lease placements during the first quarter included two A320-200s for new Indian LCC IndiGo, set to be delivered in the 2018 third quarter; two new A321-200s for Denver-based ultra-LCC Frontier Airlines, set for delivery in the 2018 fourth quarter; and one new A320-200neo for ...