CH-47A, B and C Series Helicopter Rotor Blade Failure and Scrap Rate Data Analysis

Abstract

The report provides the results of an analysis of failure data derived from depot inspection, overhaul/rework, and scrappage reports on 5,488 rotor blades of the CH-47 series tandem rotor helicopters. Two types of rotor blades were analyzed for blade mean-time-between-removals, mean-time-to- removals, mean-time-between-unscheduled-removals and mean-time-between- scrappage. Locations on these blades for the major discrepancies were determined. Blade teardown experience was determined. A cost comparison of blade acquisition costs versus the average cost of repair/rework was provided.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1971
Accession Number
AD0739568

Entities

People

  • R. L. Hunt

Organizations

  • Boeing Rotorcraft Systems

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Acquisition
  • Aircrafts
  • Airfoils
  • Army Equipment
  • Assembly
  • Contracts
  • Cost Analysis
  • Data Analysis
  • Engineering
  • Failure Mode And Effect Analysis
  • Helicopter Rotors
  • Maintenance
  • Manufacturing
  • Nose Caps
  • Plastic Explosives
  • Three Dimensional
  • Trailing Edges

Readers

  • Aerospace Engineering
  • Aerospace Test and Evaluation
  • Life Cycle Cost Analysis