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Twin Commander STC

 

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STC UPDATE:
On February 24, 2017 the Chicago Aircraft Certification Office granted field approval for the installation of the 5-blade MT-Propeller on the Twin Commander used for the STC field testing in Aiken, SC.

S
TC UPDATE: On January 27, 2017, the European Aviation Safety Agency (EASA) issued Supplemental Type Certifcate 100608265 to certify installation of the 5-blade MT-Propeller, Model MTV-27-1-E-C-F-R(G)/CFR(...) on the Twin Commander.  The specifics are as follows:

Original Type Certificate Number: US 2A4
Type Certificate Holder: TWIN COMMANDER AIRCRAFT LLC
Type: Twin Commander 600 Series
 Model: 690, 690A, 690B, 690C, 690D, 695, 695A, 695B
 
Field testing took place on a Twin Commander in Aiken, SC last October and field approval should be granted any day. The US STC is pending.

These are the same propellers manufactured for the MU-2 and offer the added benefits to your Twin Commander:
  • Reduced take off roll
  • Enhanced cruise performance
  • Significant cabin noise reduction as well as outside noise reduction
  • Nearly vibration free propeller operations
  • Cooler engine starts
  • Better erosion protection
  • Unlimited blade life
  • Superior ramp appeal

EASA Supplemental Type Certificate 10060826