Supplemental Type Certificate
Piper PA-42 Cheyenne 400 · Supplemental Type Certificate
Overview
This document serves as a Supplemental Type Certificate (STC) for the Piper PA-42-1000, also known as the Cheyenne 400LS. It details the certification of a new propeller system developed by MT-Propeller, which includes two 5-blade reversing and full feathering constant speed propellers. The STC outlines the specifications of the propellers, installation instructions, and continued airworthiness requirements. It is intended for aircraft owners, maintenance personnel, and operators of the Cheyenne 400LS, providing essential information for compliance and operational enhancements.
- Propeller model: MTV-27-1-E-C-F-R(G)/CFR(L)250-103
- Installed propellers and spinner total weight: 329 lbs
- Maximum and minimum propeller diameter: 98.4 in.
- Take-off distance over 50 ft obstacle reduced by approx. 5%
- Enhanced climb performance by approx. 3% at MTOW
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at www.mt-propellerusa.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Supplemental Type Certificate
- Pages ·
- 1
- File size ·
- 84 KB
- Copy found at ·
- www.mt-propellerusa.com
What is the Supplemental Type Certificate?
The Supplemental Type Certificate is a supplemental type certificate for the Piper PA-42 Cheyenne 400.
How many pages is the Supplemental Type Certificate?
The copy of the Supplemental Type Certificate on file runs 1 pages.
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In this document
STC Kit Contents
The STC kit includes two 5-blade propellers (MTV-27-1-E-C-F-R(G)/CFR(L)250-103), two full composite spinners, and several documentation items such as an AFM supplement, installation instructions, and an operation and installation manual.
Propeller Specifications
The propellers have a maximum and minimum diameter of 98.4 inches and are made from lightweight natural composite materials. The total weight of the installed propellers and spinners is 329 lbs. The propeller hub is a milled single-piece aluminum design.
Performance Enhancements
The new propeller system provides significant performance improvements, including a reduction in take-off distance over a 50 ft obstacle by approximately 5%, enhanced climb performance by about 3%, and an increase in cruising speeds by approximately 5 knots at specific conditions.
Advantages of the New Propeller
The propeller offers several advantages, such as best vibration damping characteristics, erosion protection due to a bonded nickel alloy leading edge, unlimited blade life, and significant noise reductions.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
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-027 Type of Aircraft: PA-42-1000 FAA STC #: SA03487AT EASA STC #: A.S.02480 Aircraft TCDS #: A23SO Propeller TCDS #: P27BO Applicable Aircraft Piper PA-42-1000 (Cheyenne 400LS) Engines Honeywell TPE331-14A/B STC Kit Contents Two 5-Blade Reversing And Full Feathering Constant Speed Propeller MTV-27-1-E-C-F-R(G)/CFR(L)250-103 Two Full Composite Spinner (AFRP) P-1006 One AFM Supplement Doc. No. E-1410 (EASA), E-1473 (FAA) One Installation Instruction Doc. No. E-1411 (EASA), E-1474 (FAA) One Instruction For Continued Airworthiness Doc. No. E-1412 (EASA), E-1475 (FAA) One Operation and Installation Manual ATA 61-06-10 (E-610) Propeller Specifications Full Propeller Designation (right) MTV-27-1-E-C-F-R(G)/CFRL250-103 Full Propeller Designation (left) MTV-27-1-E-C-F-R(G)/CFR250-103 Propeller Hub MTV-27-1-E-C-F-R(G) Milled single-piece aluminum hub Blade (right wing, ccw rotation) CFRL250-103 Blade (left wing, cw rotation) CFR250-103 Blade Design Scimitar, light-weight natural composite Installed Propellers & Spinner Total Weight 329 lbs Maximum Diameter 98.4 in. Minimum Diameter 98.4 in. TBO According to SB 1 ( ) latest issue Options Full Composite Spinner (AFRP) painted in silver Replaces 4-Blade Dowty Rotol R341/4-123-F/9, R339/4-123-F/8 Advantages - Best vibration damping characteristics for almost vibration free propeller operations - Bonded on nickel alloy leading edge for best erosion protection of the blades - Take-off distance over 50 ft obstacle reduced by approx. 5% (SL, ISA, MTOW) - Enhanced climb by approx.3% (SL, ISA conditions, MTOW) increasing by altitude - Enhanced cruising speeds by approx. 5 kts + (ISA, FL250, 11500 lbs GW) - Approx. 52 lbs less total weight than the original propellers - Unlimited blade life - Significant inside and outside noise reductions, jet aircraft feeling - FOD repairable blades Q F J - Propeller for the Cheyenne 400 LS - Quiet Fan Jet Propeller Series -