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Illustrated technical information covering Vol 2 Over 800 multi-choice systems questions Close up photos of internal and external components Illustrated history and description of all variants of 737 Databases and reports of all the major 737 accidents & incidents History and Development of the Boeing 737 - MAX General flightdeck views of each generation of 737's Technical presentations of 737 systems by Chris Brady Detailed tech specs of every series of 737 A collection of my favourite photographs that I have taken of or from the 737 Press reports of orders and deliveries Details about 737 production methods A compilation of links to other sites with useful 737 content Study notes and technical information A compilation of links to major 737 news stories with a downloadable archive A quick concise overview of the pages on this site


Tail Skid (Series 400/800/900/900ER/-8/-9/-10 only)

Always worth checking the tail skid, especially when accepting an aircraft if only to prove that it was not you that scraped it ! Check that the decal on the skirt is showing plenty of green and that the shoe is not worn to the dimples. In this example, the operator has painted the bottom of the shoe red to help detect evidence of a tail strike.

See this page for more information on tailstrikes and their avoidance.

A 737-900 tailstrike after a bounced landing. Notice the contact of the extended tailskid, a feature only installed on the -800SFP and -900ER

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*** Updated 14 Nov 2021 ***

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Tail Skid737-400 tailskid

The yellow and red discs to the right of the picture are the APU fire bottle discharge indicators.


The new short field (SFP) -800s and -900ER's have a two position tailskid powered by hydraulic system A, that extends a further 5 inches for tailstrike protection during landing due to the lower landing speeds.

The FCOM has recently added the following warning:

"CAUTION: Cartridge assembly warning placard must be checked as soon as possible after the tailstrike. The tail skid skirt faring may re-extend due to gravity as time passes resulting in a reading error on the warning placard decal."


737-800 tailskid

737-900ER tailskid

737-900ER tailskid - notice the angled drain tube

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