letdown


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letdown

[′let‚dau̇n]
(aerospace engineering)
Gradual and orderly reduction in altitude, particularly in preparation for landing.

letdown

letdownclick for a larger image
Typical high altitude controlled descent (QGH/NDB) let down pattern for a combat aircraft
letdownclick for a larger image
A point that lies at 83 degrees 42 minutes North and 14 degrees 30 minutes East may be expressed in lettered coordinates as TSMA 4230.
The procedure adopted commencing from the top of the descent at the end of cruising through the approach for landing. It does not include the terminal part of the final approach. The various types of letdown are the NDB (nondirection beacon) letdown, radar letdown, en route descent, pipeline descent, QGH, etc. The procedure for letdown is given in the instrument approach charts. The illustration indicates a high-altitude letdown procedure by combat aircraft using a radio compass or a direction finder. See also instrument approach chart.
References in periodicals archive ?
The antidote to a letdown is simple, though not necessarily easy.
Number 11 includes the beginning of a multi-article piece on early Chicago punk (which is great), interviews with the Cripples, the Tyrades, the Hunches, tons of record and live show reviews, an expose of the LA Shakedown 2003 ("The LA Letdown"), the Hunt for Jenna Haze, movie reviews, and more.
Let-down of not only historic importance -Mersey maritime culture of world renown -but decidedly the most demoralising letdown of its down-the-ages craftsmanship skills and supportive apprenticeships.
The letdown of the previous day did not bode well for the vote of Wednesday, Sept.
I loved Porridge Oats man Rory McCann as wheelchair- bound Kenny in the last series but I must admit this was a huge letdown. There was no need to take this once- fantastic show into the gutter with all the bed-hopping and gay sex scenes.
Unfortuneatly it's a bit of a letdown. Not the sort of letdown that's inverse to the hype.
AFTER the pre-show promises what a letdown not to see the body part Ricky Tomlinson is famous for during his love scenes in Clocking Off (BBC1, Monday).
Rival console maker Sega tried to capitalize on the letdown by pushing its much cheaper game box, Dreamcast, and its deeper inventory of impressive games, including online gaming, which Sony can't match.
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After Dona Mari, it was rather a letdown, leaving the reader longing for the words of the women themselves instead of Zaida Lobato's interpretation of what they said.