MT Viking DHC-6 Twin Otter

STC – Data

• Type of Aircraft: Viking DHC-6 Twin Otter
• EASA: 10043964 (issued March 08, 2013)
• FAA: SA03368NY (issued Feb. 15, 2014)
• Applicable Aircraft: Viking DHC-6 Twin Otter
• Engines: Pratt & Whitney Canada; 2 engines
  PT6A-20: DHC-6 -1, 100, -200, 210
  PT6A-27: DHC-6 -300, 310, -320
  PT6A-34: DHC-6 -400
  PT6A-34: all DHC-6 series if modified by
  appropriate STC.
• Propeller: MTV-16-1-E-C-F-R(P)/CFR240-55

Advantages:

• Best vibration damping characteristics for almost
  vibration free propeller operations
• Bonded on Nickel Alloy for best erosion
  protection of the blades
• Enhanced take-off distance by approx. 5 %
  (MTOW, SL, ISA conditions)
• Enhanced climb performance by approx. 5 %
  (MTOW, SL, ISA conditions)
• Enhanced cruise performance by 2 to 3 kts
  (MTOW, ISA conditions)
• Cooler ITTs during engine start up, therefore
  less engine wear and reduced risk of hot start!
• Significant inside and outside noise reductions
• Unlimited blade life; FOD repairable blades

more information about the STC (.pdf 85k)