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Propeller Specifications and STC Kit Contents

Piper PA-42 Cheyenne III · Pilot's Operating Handbook

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Overview

This document provides detailed specifications and information regarding the propeller system for the Piper PA-42 Cheyenne III and its variants. It outlines the advantages of the new propeller system, including improved performance metrics such as enhanced take-off distance, climb performance, and reduced noise levels. The document also includes a list of components included in the STC kit, as well as specific propeller specifications. It is intended for pilots and maintenance personnel who require detailed knowledge of the propeller system and its installation for safe and efficient operation of the aircraft.

  • Enhanced take-off distance and climb performance for the Piper PA-42 Cheyenne III.
  • Cruise speed increase of approximately 4 to 5 knots at 1800 RPM.
  • Propeller weight is approximately 60 lbs less than original propellers.
  • Noise levels are below 80 dB(A) according to ICAO standards.
  • Each propeller has a maximum diameter of 90.6 inches.

Document

Source

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

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Document details

Type
Pilot's Operating Handbook
Pages
1
File size
288 KB
Publisher
www.mcfarlaneaviation.com

Specifications & performance

Extracted from this document.

Specifications

Propeller
MTV-16-1-E-C-F-R(P)/CFR230-37b
Engine model
PT6A-41, PT6A-61
Cruise speed (kt)
5
How rare is it?
24Piper PA-42 Cheyenne III registered worldwide · 0 active

Common. Rarer than 4% of the aircraft models we track.

Documentation completeness
5/7

Most owners only have the POH. Here's the essential set for the Piper PA-42 Cheyenne III.

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In this document

Advantages of the New Propeller System

The new propeller system offers several advantages, including superior vibration damping characteristics, enhanced take-off and climb performance, and increased cruise speed by approximately 4 to 5 knots at 1800 RPM. It is lighter than the original propellers by about 60 lbs, features unlimited blade life, and provides better ground clearance to reduce foreign object damage (FOD). Additionally, it significantly reduces noise levels, with cabin noise decreased by 4 to 6 dB(A) and overall noise below 80 dB(A) as per ICAO standards.

STC Kit Contents

The STC kit includes two 4-blade reversing and full feathering constant speed propellers (MTV-16-1-E-C-F-R(P)/CFR230-37b), two full composite spinners, and several documentation pieces: an Airplane Flight Manual Supplement (Doc. No. E-1670), Installation Instructions (Doc. No. E-1671), Instructions for Continued Airworthiness (Doc. No. E-1672), and an Operation and Installation Manual (ATA 61-01-24).

Propeller Specifications

The propeller specifications detail the full designation as MTV-16-1-E-C-F-R(P)/CFR230-37b, with a milled single-piece aluminum hub and scimitar blade design made from lightweight natural composite. Each propeller and spinner weighs 113 lbs, with a maximum diameter of 90.6 inches and a minimum diameter of 89.8 inches. The time between overhauls (TBO) is according to the latest service bulletin.

Full document text

Advantages: • Best vibration damping characteristics for almost vibration free propeller operations • Bonded on nickel alloy leading edge for best erosion protection of the blades • Enhanced take-off distance and Climb Performance (MTOW, ISA) • Cruise performance increased with 1800 RPM by approx. 4 to 5 kts (Mid GW, ISA) • Approx. 60 lbs less weight than the original propellers • Unlimited blade life • More ground clearance for less FODs • FOD repairable blades • Significant inside and outside noise reductions • Noise level is below 80 dB(A) according to ICAO Annex 16 Chapter 10 • Cabin noise is reduced by 4 to 6 dB(A) STC Kit Contents: • Two 4-Blade Reversing and Full Feathering Constant Speed Propeller MTV-16-1-E-C-F-R(P)/CFR230-37b • Two Full Composite Spinner (AFRP) P-1090-( ) • One Airplane Flight Manual Supplement Doc. No. E-1670 (EASA + FAA) • One Installation Instruction Doc. No. E-1671 (EASA + FAA) • One Instruction For Continued Airworthiness Doc. No. E-1672 (EASA + FAA) • One Operation and Installation Manual ATA 61-01-24 (E-610) Propeller Specifications: • Full Propeller Designation MTV-16-1-E-C-F-R(P)/CFR230-37b • Propeller Hub MTV-16-1-E-C-F-R(P) Milled single-piece aluminum hub • Blade CFR230-37b • Blade Design Scimitar, light-weight natural composite • Installed Propeller & Spinner Weight & Deice 113 lbs each • Maximum Diameter 90.6 in. • Minimum Diameter 89.8 in. • TBO According to SB 1 ( ) latest issue Replaces: • 3-Blade Hartzell Q Tip propellers • 4-Blade McCauley propellers Piper PA-42/42-720 Piper PA-42 Cheyenne III Piper PA-42-720 Cheyenne IIIA Engine: PT6A-41, PT6A-61 A Division of World’s Largest MT-Propeller Distributor To learn more about this prop 866-717-1117 www.Flight-Resource.com For other products 800-544-8594 www.McFarlaneAviation.com

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