Hartzell CSU Nicholson McLaren Aviation Aviation

Hartzell Propeller Constant Speed Unit (CSU)

Propeller Governors commonly referred to as Constant Speed Unit (CSU)

  • All Hartzell Propeller Governors as listed above can be overhauled or repaired by Nicholson McLaren Aviation and are overhauled in accordance with the most recent component maintenance manual revision checked through online subscription so all the latest data is used and complied with.
  • All components are overhauled in accordance with the most recent component maintenance manual revision Checked through online subscription so all the latest data is used and complied with.
  • Only original Hartzell Parts are installed during the overhaul process
  • With our in-house capability and large stock holding we can usually carry out overhauls in 10-15 days and repairs in 5-10 Days.
  • Product liability insurance applies to all Propeller Governors overhauled by NMA.

All overhauled Propeller Governors have a two-year, 500-hour warranty against material and workmanship defects.

Do you have a question about our aviation services? Call Dean Chamberlain on

Based in Berkshire United Kingdom NMA has the facility, build engines, overhaul existing engines, maintain and repair aviation engines.

NICHOLSON MCLAREN AVIATION