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In aeronautics, the rate of climb (RoC) is an aircraft's vertical speed, that is the positive or negative rate of altitude change with respect to time. [1] In most ICAO member countries, even in otherwise metric countries, this is usually expressed in feet per minute (ft/min); elsewhere, it is commonly expressed in metres per second (m/s).
The speed at which the pilot begins to apply control inputs to cause the aircraft nose to pitch up, after which it will leave the ground. [7] [26] [Note 1] V rot: Used instead of V R (in discussions of the takeoff performance of military aircraft) to denote rotation speed in conjunction with the term V ref (refusal speed). [19] V Ref
A Boeing 737 climbing The climb phase , also known as climb-out or initial climb , is the period during which the aircraft climbs to a predetermined cruising altitude after take-off. [ 3 ] The climb phase immediately follows take-off and precedes the cruise phase of the flight.
Compensated variometers also include information about the speed of the aircraft, so the total energy (potential and kinetic) is used, not just the change in altitude. For example, if a pilot pushes forward on the stick, speeding up as the plane dives, an uncompensated variometer only indicates that altitude is being lost.
Table II-5-1-2 Aircraft approach categories do not change during day-to-day operation. To change an aircraft's category, an aircraft must be re-certified with a different maximum landing mass. [1]: II-5-1-3 Pilots may not use a lower category than the one certified, but may choose to use a higher category for higher speed approaches. [2]
Hence, the aircraft will not have any excess capacity to climb further. Stated technically, it is the altitude where the maximum sustained (with no decreasing airspeed) rate of climb is zero. Compared to service ceiling, the absolute ceiling of commercial aircraft is much higher than for standard operational purposes.
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Form 8110-3 is the only FAA form that any DER may sign under their designated authority. [14] Order 8110.37() provides instructions for completing Form 8110-3, and includes examples of completed Forms. The FAA also maintains an electronically fillable Form 8110-3 in its Document Library for download.