What is the maximum tailwind for takeoff or landing in the 737 800?
# Maximum allowable wind speeds, when conducting a dual channel Cat II or CAT III landing predicating on autoland operations, are: Headwind 25 knots. Crosswind 20 knots. Tailwind 10 knots.
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Tailwind: Varies between 0 and 15kts depending upon field elevation and flap setting. Maximum and minimum glideslope angles are 3.25 degrees and 2.5 degrees respectively. Autoland capability may only be used with flaps 30 or 40 and both engines operative.
On a dry runway, a Boeing 737-800 has a maximum allowable crosswind component of approximately 33kts. For taking off on a wet runway it's about 27kts. The actual figure might be slightly above or below this because the airline can choose to set its own more restrictive value if it wishes.
This is especially true for the critical aircraft – the Boeing 737-900 which requires a landing length of 6,800 feet under wet conditions and a takeoff length of 9,700 feet under maximum takeoff weight.
Of the former, the Boeing 737-100 can operate on runways of 1,830 m (6,000 ft). The smallest variant of the Airbus A320 family, the A318, only needs 1,780 m (5,840 ft).
Each engine on the Boeing 737 Next Generation is equipped with an hydraulically operated thrust reverser, consisting of left and right translating (moving) sleeves. Aft movement of the reverser sleeves cause blocker doors to deflect fan discharge air forward, through fixed cascade vanes, producing reverse thrust.
Landing. While landing, speed is largely affected by the aircrafts current weight, commercial airplanes typically land between 130 and 160 mph (112 to 156 knots).
The Boeing 747 is considered to have the longest takeoff distance of the more common aircraft types and has set the standard for runway lengths of larger international airports. At sea level, 3,200 m (10,500 ft) can be considered an adequate length to land virtually any aircraft.
Irausquin Airport (IATA: SAB, ICAO: TNCS) is an airport on the Dutch Caribbean island of Saba. Its runway is widely acknowledged as the shortest commercial runway in the world, with a length of 400 m (1,312 ft).