TOWER PHRASEOLOGY
一、 Taxi and Parking
1. Taxi without delay.
2. Hold short of (position).
3. Stop immediately.
4. Tow approved to gate (number) via (route).
5. Taxi with caution.
6. Backtrack runway (number).
二、 Ground and Runway condition
1. Caution construction work/cleaner at (location).
2. Caution work in progress/obstruction (position and any necessary advice).
3. Braking action reported by (aircraft type) at (time) good/medium/poor.
4. Runway/Taxiway is wet/damp/water patches/flooded.
5. Report runway in sight.
三、 Warning condition
1. Stop immediately, traffic on your (direction).
2. Wind-shear warning strong/severe/moderate/low. Level wind-shear observed/report in vicinity of (location) at (time).
3. A (type of aircraft) reported light/moderate/severe clear air turbulence (wind-shear) at (level) at (time) (any other reporting aircraft comment).
4. Landing gear appears up/down.
5. Right/left/rose wheel appears up/down.
6. Caution wake turbulence.
7. Cleared low pass.
四、 landing equipment and landing warning condition
1. We have lost number 2 engine.
2. We are unable to raise and lower the landing gear.
3. We believe we have a blown fire. Please have the emergency equipment standby.
4. VOR/DME/NDB/ILS out of service.
5. ILS category (number) (serviceability state).
6. Primary/secondary/total radar failed.
五、 Fuel dumping
1. (Call-sign) cleared to (location fuel dump area) via (route) maintain (level).
2. (Call-sign) established in area, fuel dumping approved, advise when dumping completed.
3. (Call-sign) for a victor to fuel dumping area, fly heading (3 digits) maintain (level).
六、 Emergency
1. Call-sign
2. Position
3. Situation (or problem)
4. Intentions
5. Fuel remaining
6. POB
● Copy MAYDAY (OR PAN-PAN), may I assist you?
● Verify squawk (7500/7700/7600)
● Emergency vocabulary: Smoke in cockpit/engine failure/hydraulics problem/blown tires/bomb threaten/land gear stuck up(down)/medical problem.
七、 Advisories
1. reportedReport/say speed
2. Maintain present speed.
3. Increase/reduce speed to NO. Knots
4. Resume normal speed.
5. Reduce to minima approach speed.
八、 RVR
1.RVR runway NO. (value in distance) meters (define touchdown/mid/roll-out)
2.If not possible (alternate instructions and advise) c. when able (instruction)
3.After departure turn right/left heading (3 digits)
4.proceed to/direct with (name)
5.Are you familiar with (name) procedure?
九、 Takeoff
1. Hold position, cancel take-off clearance, I say again, cancel take-off clearance.
2. Be advised Tower observe (unusual situations: trailing smoke/hatch open)
3.Weather advisory (thunderstorm/lightning/wind-shear/heavy precipitation).