Take off and landing - Cơ học và tính năng tàu bay | Học viện Hàng Không Việt Nam
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Môn: Cơ học và tính năng tàu bay (ĐHKL01)
Trường: Học viện Hàng Không Việt Nam
Thông tin:
Tác giả:
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Học viện Hàng Không Việt Nam – Khoa Khai thác HK TAKE OFF & LANDING
Học viện Hàng Không Việt Nam – Khoa Khai thác HK Phần 1 Phần 2 Phần 3 Phần 4 Phase of Take off Approach & Wind shear flight Landing
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight Flight profile
Step 1- Preflight: Pilot files the flight plan & send to the Tower controller.
Tower inform pilot the weather information, runway/ taxiway condition... Flight
checks, push-back from the gate & taxi to the runway.
Step 2- Take-off: Tower controller gives pilot clearance for take-off, aircraft powers up & take-off.
Step 3- Climb: Aircraft climbs to a define altitude Tower controller pass their
communication with pilot to the Departure Controller. Pilot receives clearance for routing.
Step 4- En-route/ Cruise: Communication with the pilot then pass to the
Area Control Centre. The pilot receives instructions as to what altitude and
heading to maintain, as well as to which radio frequency to tune during the
flight from air controller.
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight Flight profile
Step 5- Descent: Near airport Approach Controller, instructing pilot to
descent & change heading.
Step 6- Approach: Pilot receives approach clearance & the then
communication with pilot is passed to the Tower Controller. Step 7- Landing:
Controller at tower gives clearance for landing.
Ground/Tower controller directs the pilot across the taxiways to its
destination gate at the terminal.
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight Tower
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight
Approach & Area Control Centre
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight Radar display system
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Phases of flight Radar display system
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off
Screen height is an imaginary screen that the aircraft would just clear when taking off
(end of the declared take off distance) or landing (commencement of the declared
landing distance) at which the calculated aircraft has climbed to a specified height -
35ft (heavy aircraft), 50ft (light aircraft).
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 1. Take off
The Take-off path extends from a standing start to a point in the
take-off at which the aeroplane is 457 m (1500 ft) above the take-off
surface, or at which the transition from the take-off to the en-route
configuration is completed and VFTO is reached, whichever point is higher. (…)”.
The Take-off flight path must be considered to begin 11 m (35 ft)
above the Take-off surface at the end of the take-off distance.(…)”
The Take-off path and Take-off flight path regulatory definitions assume that
the aircraft is accelerated on the ground to VEF, at which point the critical
engine is made inoperative and remains inoperative for the rest of the take-
off. Moreover, the V2 speed must be reached before the aircraft is 35 feet
above the Take-off surface, and the aircraft must continue at a speed not
less than V2, until it is 400 feet above the Take-off surface. 1
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off 1500 Ft Flap retraction or Lift-Off Gear Retracted 400 Ft Min Clean Clear of Obstacles V2 V2 Acceleration Clean TO Thrust MCT 35 ft Max 5 min 1st Segment 2nd Segment 3rd Segment 4th Segment TWIN >0 2.4% acceleration 1.2% or 1.2% avail. (min) Học viện Hàng Không Vi 2. Take off
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off Take – off speed
One g - Stall speed (V
) : which corresponds to the maximum lift s1g
coefficient (i.e. just before the lift starts decreasing); at that moment,
the load factor is still equal to one.
Stall speed (V ) : which corresponds to the conventional stall (i.e. s
when the lift suddenly collapses); at that moment, the load factor is always less than one.
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off Take – off speed
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off Take – off speed
The reference stall speed (V ): is a calibrated airspeed defined by SR
the applicant. VSR may not be less than a One-g stall speed. VSR is expressed as: V m L C ax V SR n w Where:
= speed of maximum lift coefficient, V S1g; nw
= load factor normal to the flight path at …”
Học viện Hàng Không Việt Nam – Khoa Khai thác HK 2. Take off Take – off speed
In JAR 25 (October 2010): introduced this notion of reference stall
speed VSR, which is the same as V . S1g VS = 0.94 x Vs1g
IMPORTANT: In Airbus operational documentation, as well as in this brochure, V is referred to as V . SR S1g