MT-1620 Fall 2002 Damage accumulation Fatique For aircraft, design guidelines provided by FAa F AR's (Federal Aviation Regulations Part 23 Part 25 Part 27 Part 29 Aircraft Aircraft Helicopter Under Above 14,000bs.14,000bs USAF guidelines(e.g, Damage Tolerance Regulations) Paul A Lagace @2001 Unit 2 -p. 10MIT - 16.20 Fall, 2002 Life - Damage accumulation - “Fatigue” For aircraft, design guidelines provided by FAA F.A.R.’s (Federal Aviation Regulations) Part 23 Part 25 Part 27 Part 29 Aircraft Aircraft Helicopter Under Above 14,000 lbs. 14,000 lbs. USAF guidelines (e.g., Damage Tolerance Regulations) Paul A. Lagace © 2001 Unit 2 - p. 10