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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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  • Accessory Drive Gearbox:
  • Oil pump
  • Fuel pumps
  • CSD and generator
  • Starter
  • Tachometers
  • Hydraulic pump


  • 6 x PT7 probes and 8 x EGT probes in the engine tailpipe.
  • The engine uses a dry sump oil system feeding 7 main bearings.
  • Oil tank capacity = 4 USG (3 USG min for dispatch).
  • Using fuel heat causes an oil temp rise.



  • High oil pressure (>55 psi) indicates possible oil press regulator failure; requires engine shut-down.
  • 9 fuel atomizers per combustion can.
  • Dry motoring limits: 2 mins on 5 mins off.


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