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What does it mean when a pilot says positive rate?
positive rate of climb
One of the callout items used in crew resource management, and one that many pilots are and should be in the habit of using, is “positive rate of climb.” The process of confirming that an initial climb has been established after the airplane leaves the ground is the signal to retract the gear.
What does V1 mean on take off?
A: V1 is the speed by which time the decision to continue flight if an engine fails has been made. It can be said that V1 is the “commit to fly” speed. V2 is the speed at which the airplane will climb in the event of an engine failure. It is known as the takeoff safety speed.
What is positive rate gear up?
When the needle indicates a movement upward (positive rate-of-climb), the either pilot will call out “Positive Rate, Gear Up”. For example, if a Boeing 737 takes off at flaps 5 setting, then as the aircraft accelerates through V2 (speed for the best angle of climb) + 15 knots then the flaps will be selected to flaps 1.
Why is V1 the point of no return?
V1 is effectively the point of no return. It is the point at which the plane is committed to taking off. Once the plane reaches this speed, it becomes unsafe to apply the brakes and/or reverse thrust and bring the plane to a stop. At this point, the plane is committed to taking off, engine failure or not.
Why do pilots say Airspeed alive?
“Airspeed alive” means that the aircraft has passed this speed and the airspeed indicator has started to move above the minimum speed that it can display. Also it helps to validate that both the indicator is working and that you are making speed at the expected rate.
What does past the point of no return mean?
phrase. If you say that you have reached the point of no return, you mean that you now have to continue with what you are doing and it is too late to stop.
Why 9 is Niner?
Pilots and air traffic controllers say niner instead of nine to distinguish it from other numbers. Radio transmissions may not be crystal clear, and with any disturbances on the frequency, nine could be easily confused with five, given they are one-syllable and rhyme.
Why do pilots wait for a positive rate?
After the aircraft leaves the ground, the pilots wait to see that a ‘positive rate’, i.e., a positive rate of climb is achieved. A positive rate is required to be ascertained, since if the aircraft does not climb up, and even if the nose is pitched up, with the nose gear above the ground, the plane could still be on he surface.
What does it mean to have a positive climb rate?
A Positive Rate signifies that the plane is ascending, and it’s altitude is rising. If landing gear is retracted before achieving positive rate, there could be a chance of damage to the aircraft, since the aircraft had not achieved a positive climb rate, and could end up scraping the underbelly on the runway.
Why does a plane need a positive rate?
A positive rate is required to be ascertained, since if the aircraft does not climb up, and even if the nose is pitched up, with the nose gear above the ground, the plane could still be on he surface. A Positive Rate signifies that the plane is ascending, and it’s altitude is rising.