aircraft on one drawing may be taken as the zerostation. Objects to the right or left of center along thewings or stabilizers are found by giving the number ofinches between them and the centerline zero station.On other drawings, the zero station may be at the noseof the fuselage, at a firewall, or at some other locationdepending on the purpose of the drawing. Figure 1-3shows station numbers for a typical aircraft.Bill of MaterialThe bill of material block contains a list of theparts and/or material needed for the project. The blockidentifies parts and materials by stock number or otherappropriate number, and lists the quantities requited.The bill of material often contains a list ofstandard parts, known as a parts list or schedule.Figure 1-4 shows a bill of material for an electricalplan.Application BlockThe application block on a blueprint of a part orassembly (fig. 1-5) identifies directly or by referencethe larger unit that contains the part or assembly onthe drawing. The NEXT ASS’Y (next assembly)column will contain the drawing number or modelFigure 1-5.—Application block.Figure 1-4.—Bill of material.1-6
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
