| Airport bummer |
| Brain-scan letters |
| Archaeologist's letters |
| All, e.g., for this answer's last six letters? |
| Airport code hidden in FUEL GAUGE |
| Airport components |
| Organizations with Greek letters |
| Confusing statements ... and a hint to the circled letters |
| Bit of airport info, briefly |
| Attend a party uninvited ... and a literal hint to five sets of circled letters |
| Airport-schedule ltrs. |
| Surprises unpleasantly, and a hint to each starred answer's first two + last two letters |
| Accompaniers of cover letters: Abbr. |
| Airport stop on New Jersey Transit, briefly |
| Letters from the family? |
| Airport postings, in brief |
| Airport board postings |
| Bounced-check letters |
| Adjust space between letters, in printing |
| Retirement plan letters |
| Whatever it takes ... as hinted at in the arrangements of black squares around the circled letters |
| Personal letters |
| Airport postings |
| Airport equipment needed in wintry weather |
| Airport necessity |
| Airport check-in freebie |
| ICU instruction letters |
| Letters preceding an assumed name |
| Airport transports |
| Airport screen no. |