Clue: Descriptive aircraft letters

Answer: SST

Length: 3

---

Similar Clues:

• Certain descriptive aircraft letters (SST with 3 letters)
• Aircraft-carrier letters (USS with 3 letters)
• Letters on aircraft carriers (USS with 3 letters)
• Self-descriptive letters (ABBR with 4 letters)
• Regained one's winning status ... or a hint to this puzzle's circled letters (TURNEDTHETABLES with 15 letters)
• Traveled by high-speed aircraft (JETTED with 6 letters)
• Nobody's-going-to-help-you letters (DIY with 3 letters)
• Phone letters (e.g. OPER with 4 letters)
• Elec. letters (ACDC with 4 letters)
• West Point letters (USMA with 4 letters)