Clue: Amtrak overseer: abbr.

Answer: NTSB

Length: 4

---

Similar Clues:

• Practice overseers: Abbr. (AMA with 3 letters)
• Overseer of some practices: Abbr. (AMA with 3 letters)
• Amtrak abbr. (ARR with 3 letters)
• Amtrak abbrs. (ARRS with 4 letters)
• Takeoff and landing overseers: Abbr. (ATC with 3 letters)
• Takeoff and landing overseers (Abbr.) (ATC with 3 letters)
• Air quality overseer (Abbr.) (EPA with 3 letters)
• Virgin overseer: Abbr. (FAA with 3 letters)
• United overseer: Abbr. (FAA with 3 letters)
• Spirit overseers: Abbr. (FAA with 3 letters)