4-1-22. Requests for Waivers and Authorizations from Title 14, Code of Federal Regulations (14 CFR) 4-1-23. Weather Systems Processor 4-1-22 4-1-23 Section 2. Radio Communications Phraseology and Techniques 4-2-1. General 4-2-1 4-2-2. Radio Technique 4-2-1 4-2-3. Contact Procedures 4-2-2 4-2-4. Aircraft Call Signs . 4-2-3 4-2-5. Description of Interchange or Leased Aircraft . 4-2-5 4-2-6. Ground Station Call Signs 4-2-5 4-2-7. Phonetic Alphabet . 4-2-6 4-2-8. Figures 4-2-7 4-2-9. Altitudes and Flight Levels . 4-2-7 4-2-10. Directions . 4-2-7 4-2-11. Speeds 4-2-8 4-2-12. Time . 4-2-8 4-2-13. Communications with Tower when Aircraft Transmitter or Receiver or Both are Inoperative . 4-2-9 4-2-14. Communications for VFR Flights . 4-2-9 Section 3. Airport Operations 4-3-1. General 4-3-2. Airports with an Operating Control Tower 4-3-3. Traffic Patterns . 4-3-4. Visual Indicators at Airports Without an Operating Control Tower 4-3-5. Unexpected Maneuvers in the Airport Traffic Pattern . 4-3-6. Use of Runways/Declared Distances 4-3-7. Low Level Wind Shear/Microburst Detection Systems 4-3-8. Braking Action Reports and Advisories . 4-3-9. Runway Condition Reports . 4-3-10. Intersection Takeoffs . 4-3-11. Pilot Responsibilities When Conducting Land and Hold Short Operations (LAHSO) 4-3-12. Low Approach . 4-3-13. Traffic Control Light Signals . 4-3-14. Communications . 4-3-15. Gate Holding Due to Departure Delays . 4-3-16. VFR Flights in Terminal Areas . 4-3-17. VFR Helicopter Operations at Controlled Airports 4-3-18. Taxiing . 4-3-19. Taxi During Low Visibility . 4-3-20. Exiting the Runway After Landing 4-3-21. Practice Instrument Approaches 4-3-22. Option Approach 4-3-23. Use of Aircraft Lights . 4-3-24. Flight Inspection/`Flight Check' Aircraft in Terminal Areas . 4-3-25. Hand Signals 4-3-26. Operations at Uncontrolled Airports With Automated Surface Observing System (ASOS)/Automated Weather Observing System (AWOS) 4-3-1 4-3-1 4-3-3 4-3-6 4-3-7 4-3-8 4-3-12 4-3-13 4-3-13 4-3-15 4-3-16 4-3-19 4-3-19 4-3-20 4-3-21 4-3-21 4-3-21 4-3-23 4-3-25 4-3-26 4-3-26 4-3-27 4-3-28 4-3-29 4-3-29 4-3-36 Table of Contents