Skip to content

Atlas/ ELOS Findings/ AT03561EN-E-P-21

FAA · Equivalent Level of Safety Finding

INFORMATION: Equivalent Level of Safety (ELOS) Finding for Design and test requirements for Early ETOPS eligibility for the Rolls-Royce (RR) Trent 1000-TEN Series Engine Models, Project No. AT03561EN-E

AT03561EN-E-P-21 Current Issued 08/04/2017 PDF ↗

What is an ELOS finding?

An Equivalent Level of Safety finding allows a project to deviate from a specific 14 CFR requirement when the alternative is shown to provide equivalent safety. Project-specific — not a precedent for other applicants.

14 CFR sections deviation applies to

  • § 21.21
  • § 33.201