Final answer:
The correct answer is FAA Order JO 7110.10, known as the Flight Services Manual, prescribes air traffic procedures and phraseology used by Flight Service specialists.
Step-by-step explanation:
The document that prescribes air traffic procedures and phraseology used by Flight Service specialists is FAA Order JO 7110.10. This order is known as the Flight Services Manual and it provides detailed instructions and guidance for Flight Service specialists in performing their duties.
The Flight Services Manual covers various aspects of air traffic procedures, including communication phraseology, weather briefings, flight planning, and search and rescue operations. It ensures uniformity and consistency in the operations of Flight Service specialists across the country.
Other documents like FAA Order JO 7210.3 and the Aeronautical Information Manual (AIM) also provide guidance on air traffic procedures and phraseology, but they are not specifically designed for Flight Service specialists.