OPERATIVEOnrecordSet once, to “Key” — The New York Times, Friday, 11 January 2008.9 lettersOther answers to these cluesCENTRAL7 lettersISLE4 lettersISLET5 lettersLARGO5 lettersMAIN4 lettersMOMENTOUS9 lettersOPENER6 lettersVITAL5 letters