My first ever F flight was on TWA in the late-80s on an award. The award was 50,000 for an F trip anywhere, plus an F upgrade on any flight, a week in a hotel, and a week of rental car. I flew BOS-TLV for both of those (as I recall, we changed planes at CDG or FCO). I fondly remember the chilled vodka and caviar, as well as the freshly-grilled swordfish from my seat in Row 1 of an L-1011.