...July 8, 2021 LONDON (S&P Global Ratings) July 8, 2021--S&P Global Ratings revised its issue-level ratings on Turkish Airlines' 2015-1 Enhanced Equipment Trust Certificates (EETCs) following a review prompted by our publication of new criteria for rating such issues ("Methodology And Assumptions For Rating Aircraft-Backed Debt And Enhanced Equipment Trust Certificates," published May 26, 2021). We removed our "under criteria observation" (UCO) indicator from the affected rating. Our analysis of equipment trust certificate (ETC) or EETC ratings under the new criteria typically starts with our issuer credit rating (ICR) on the airline that operates the aircraft, and adds any applicable notches for the likelihood that an airline will successfully reorganize in bankruptcy and continue to make payments on the ETC or EETC (which we call "affirmation credit"). We may adjust--by reducing those notches--for any adverse legal considerations that may arise from the jurisdiction in which the airline...