Application of Damage Tolerance to Increase Safety of Helicopters in Service

Abstract

In the past, all helicopters have been designed to safe-life requirements. Introduced in October 1989, FAR 29.571 at Amendment 28 requires damage tolerance substantiation for transport category helicopters. Therefore, the majority of helicopters currently in service were designed to safe-life requirements. In general, the safe-life approach has proven to be adequate. However, there have been a number of field problems with cracking components, which lend themselves to the application of a damage tolerance approach. Damage tolerance analysis allows addressing

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 2000
Accession Number
ADP010639

Entities

People

  • Bogdan R. Krasnowski

Organizations

  • Bell Flight

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Airframes
  • Composite Materials
  • Damage Tolerance
  • Engineering
  • Fatigue Cracking
  • Fatigue Life
  • Flight Loads
  • Helicopters
  • Manufacturing
  • Materials
  • Mechanics
  • Rotary Wing Aircraft
  • Stress Corrosion
  • Stresses
  • Structural Integrity
  • Test And Evaluation

Readers

  • Aviation Science / Aeronautics.
  • Government and Public Administration Law.
  • Structural Health Monitoring of Composite Structures.