Challenges of TPE331 Inlet Up Configurations

The Honeywell TPE331 engines containing a “U” in the engine model designation such as the TPE331-10UA and TPE331-12UHR are configured for an engine inlet up installation.  These engines are primarily found on the Metro/Merlin and Jetstream 31/32.  This inlet up configuration warrants several operational considerations that are different then the inlet down configuration found on […]