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Viking Air Ltd DHC-6-400 Service Bulletins

Viking Air Ltd DHC-6-400 · Service Bulletins

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Overview

This document is a service bulletin for the Viking Air Ltd DHC-6-400 aircraft, detailing the installation of a new propeller system. It includes specifications, advantages, and contents of the STC kit for the DHC-6 series aircraft.

  • Applicable to DHC-6 series 1, 100, 110, 200, 210, 300, 310, 320, 400.
  • Includes two 4-blade full feathering propellers.
  • Propeller hub is made of milled single-piece aluminum.
  • Installed propeller and spinner weight is 245.8 lbs with de-ice.
  • Enhanced take-off distance and climb performance by approximately 5%.
  • Cruise performance improved by 2 to 3 knots.
  • Significant noise reduction by up to 8 dB(A).
  • Unlimited blade life with FOD repairable blades.

Document

Source

Originally published by mt-propeller.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
·
Service Bulletins
Year
·
2022
File size
·
46 KB
Publisher
·
mt-propeller.com
Language
·
en

Specifications & performance

Extracted from this document.

Specifications

Propeller diameter (in)
·
94.5
Installed propeller weight with de ice (lb)
·
245.8
Installed propeller weight without de ice (lb)
·
237.0

Performance

Cruise performance improvement (kt)
·
2 to 3
Takeoff distance improvement percent
·
5
Climb performance improvement percent
·
5
About this document
What is the Viking Air Ltd DHC-6-400 Service Bulletins?

The Viking Air Ltd DHC-6-400 Service Bulletins is a service bulletins for the Viking Air Ltd DHC-6-400, dated 2022.

Where does the Viking Air Ltd DHC-6-400 Service Bulletins come from?

This copy of the Viking Air Ltd DHC-6-400 Service Bulletins was originally published by mt-propeller.com and is hosted on Sprinkle as a free, searchable reference copy.

What year was the Viking Air Ltd DHC-6-400 Service Bulletins published?

The Viking Air Ltd DHC-6-400 Service Bulletins — the Viking Air Ltd DHC-6-400 service bulletins on file — is dated 2022.

Documentation completeness
1/7

Most owners only have the POH. Here's the essential set for the Viking Air Ltd DHC-6-400.

  • Pilot's Operating Handbook / AFM
  • Checklist
  • Maintenance Manual
  • Parts Catalog (IPC)
  • Systems & Wiring
  • Service Bulletins on file
  • Type Certificate (TCDS)

In this document

STC Kit Contents

Includes two propellers, a full composite spinner, and several documentation manuals.

Propeller Specification

Full propeller designation is MTV-16-1-E-C-F-R(P)/CFR240-55 with a diameter of 94.5 inches.

Advantages

Features include best vibration damping, enhanced performance, and significant noise reduction.

Engine Compatibility

Compatible with Pratt & Whitney Canada PT6A-20, PT6A-27, and PT6A-34 engines.

Weight Information

Installed propeller and spinner weight is 245.8 lbs with de-ice and 237.0 lbs without.

TBO Information

TBO is according to the latest issue of SB 1.

Full document text

MT-Propeller Entwicklung GmbH Flugplatzstr. 1 94348 Atting / Germany Phone: +49 (0) 9429 9409 0 Fax: +49 (0) 9429 8432 sales@mt-propeller.com MT-Propeller USA, Inc. 1180 Airport Terminal Drive DeLand, Florida 32724 Phone: (386) 736-7762 Fax: (386) 736-7696 info@mt-propellerusa.com Certification # EASA.21J.020, DE.21G.0008 www.mt-propeller.com Certified FAA Repair Station No. Q4MR908Y Flyer No.: FL-065 February 07, 2022 Type of Aircraft: DHC-6 (Twin Otter) Viking Air Ltd. EASA STC #: 10043964 FAA STC #: SA03368NY Aircraft TCDS #: Canada: EASA A9EA Canada A-82 EASA.IM.A.575 Propeller TCDS #: FAA: Canada: EASA P27BO P-44 EASA P.001 Applicable Aircraft: DHC-6 series 1, 100, 110, 200, 210, DHC-6 series 300, 310, 320, 400 Engine: 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. STC Kit Contents Two 4-Blade Full Feathering, Reversing, Counter-Weighted, Hydraulically Actuated Constant Speed Propeller MTV-16-1-E-C-F-R(P)/CFR240-55 One Full Composite Spinner (AFRP) P-659-D One Airplane Flight Manual Supplement Doc. No. E-2293 One Installation Instruction Doc. No. E-2294 One Instruction for Continued Airworthiness Doc. No. E-2295 One Operation and Installation Manual ATA 61-06-10 (E-610) Propeller Specification Full Propeller Designation MTV-16-1-E-C-F-R(P)/CFR240-55 Propeller Hub MTV-16-1-E-C-F-R(P)/ Milled single-piece aluminum hub Blade CFR240-55 Blade Design Light-weight natural composite Installed Propeller & Spinner Weight & De-Ice Installed Propeller & Spinner w/o De-Ice 245.8 lbs (111.5 kg) 237.0 lbs (107.5 kg) Diameter 94.5 in (240 cm) (No cut off allowed when Nickel Erosion Sheet is installed)! TBO According to SB 1 ( ) latest issue Replaces 3-Blade Hartzell Propeller 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) ➢ Unlimited blade life; FOD repairable blades ➢ Cooler ITTs during engine start up, therefore less engine wear and reduced risk of hot start! ➢ Significant inside and outside noise reductions by up to 8 dB(A) ➢