Watch the precision and skill behind restoring a CAT engine crank pulley — a perfect blend of machining and engineering expertise.

Abstract: To reduce the maintenance cost of a civil aero-engine, rational life cycle maintenance decisions need to be developed, including the determination of maintenance intervals and the scope of ...

Business news from the Chicago Tribune. The latest reporting on business, real estate and transportation in Chicagoland.

The Aviation Herald offers quite sophisticated criteria to enable you select exactly those news, that are of real interest to you. But of course, you can also have all news mailed right onto your ...