Gemicilikte de kullanılan bir terimmiş:

"The onboard drawings, which are sometimes referred
to as ship’s plans or ship’s blueprints, are listed in the
Ship’s Drawing Index (SDI)"

“…Onboard Drawings and Manuals: To clarify what documents are required to be available onboard…”
“…7 Onboard Drawings and Manuals: All reviewed and endorsed documents referenced in 7-2-1/17 of these Rules, required to be verified by the Surveyor during surveys after construction, are to be placed onboard the drilling unit…”
“…17 Onboard Drawings and Manuals (2012): The following documents are to be available onboard at all times…”
http://www.eagle.org/eagleExternalPortalWEB/ShowProperty/BEA...


“…The onboard drawings are filed in numerical sequence. On most ships, they are kept in file cabinets in the log room.”
“…The onboard drawings, which are sometimes referred to as ship's plans or ship's blueprints, are listed in the Ship's Drawing Index (SDI). The SDI is kept in the engineering department office (log room)…”
http://www.tpub.com/dc32/15.htm


“…The onboard drawings are filed in numerical
sequence. On most ships, they are kept in file cabinets in
the log room. However, they may be filed in a technical
library or the microfilm library on aircraft carriers,
tenders, and repair ships.
“…The onboard drawings, which are sometimes referred
to as ship’s plans or ship’s blueprints, are listed in the
Ship’s Drawing Index (SDI)…”
http://www.globalsecurity.org/military/library/policy/navy/n...

İşlevi olan her motorlu taşıtta bulunması gereken çeşitli sistemlerin şemaları kastediliyor, burada ise söz konusu olan tren.