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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



B737-200 Adv Study Notes by Anton Jordaan.

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All of the information, photographs & schematics from this website and much more is now available in a 374 page printed book or in electronic format.

*** Updated 14 Nov 2021 ***

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  • GRD SPOILERS :          cannot be isolated by any switch selection.

are deactivated in-flight (grd spoiler shut-off valve mechanically closed by the RH main wheel strut).

4 & 5 deploy to 60° on the ground

1 & 8 deploy to 40° on the ground






GRD SPOILER deployment events:

60 kts wheel spin-up

Speed brake lever moves to up position & Flt Spoilers extend to 25°.

RH Strut compression

Grd Spoiler Shut-off Valve mechanically opens, extending the Grd Spoilers.

If the 60 kts spin-up is not attained within 4 seconds of touch-down

The Speed Brake lever moves to the UP position and all spoiler panels deploy.


  • FLIGHT SPOILERS:      2,3,6 & 7 deploy to 25° in-flight and 40° on the ground.
  • If FLIGHT SPOILERS are selected beyond the FLIGHT DETENT in flight, a blow-down capability will prevent the spoilers from moving excessively past 25°.


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