Pratt & Whitney Canada has signed a five-year agreement with Calgary-based Kenn Borek Air under which the operator will upgrade the charter company’s fleet of Twin Otters with new PT6A-27 and PT6A-34 engines.

“This agreement provides Kenn Borek Air and [other] operators the opportunity to install new PT6A engines for both upgrade and renewal of their fleets. This agreement also includes a new engine warranty and full access to P&WC engine support at all times,” said Denis Parisien, P&WC vice president, general aviation.

Flying nearly 50 Twin Otters, Kenn Borek Air has one of the world’s largest fleets of the type. It operates an overhaul maintenance hangar in Calgary.

“In addition to supporting our own flight operations and aircraft dry leases to third-party operators, we have been responding to increased requests from other turboprop operators for third-party aircraft refurbishment, upgrading and aircraft maintenance services. We are pleased this agreement with P&WC will allow our approved maintenance organization to provide even better support for our clients,” said John Harmer, the company’s president.