Clue: Air watchers' gp.

Answer: EPA

Length: 3

---

Similar Clues:

• Airline once said to be "ready when you are" (DELTA with 5 letters)
• Aired anew (RERAN with 5 letters)
• Airport label for Caracas (CCS with 3 letters)
• Patronize, as an airline (FLYON with 5 letters)
• U.S. Airways competitor (TWA with 3 letters)
• Airline guess, for short (ETD with 3 letters)
• "60 Minutes" airer (CBS with 3 letters)
• Airport stats: Abbr. (ETAS with 4 letters)
• American Airlines, in Miami (ARENA with 5 letters)
• Boston airport's feature? (LOGANSRUNWAY with 12 letters)