BOEING 737
MAINTENANCE MANUAL
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CHAPTER 6
DIMENSIONS AND AREAS
TABLE OF CONTENTS
Subject Subject No.
DIMENSIONS AND AREAS........................................................................................... Maintenance Practices 6-00
ABBREVIATIONS
PRINCIPAL DIMENSIONS
PRINCIPAL DIMENSIONS AND AREAS ................................................................... Maintenance Practices 6-12-0
BODY STATIONS
BODY STATION DIAGRAMS (STD PASSENGER)................................................... Maintenance Practices 6-22-0
BODY STATION DIAGRAMS (PASSENGER/CARGO CONVERTIBLE) .................. Maintenance Practices 6-23-0
VERTICAL STABILIZER AND RUDDER STATIONS
VERTICAL STABILIZER AND RUDDER STATION DIAGRAMS............................... Maintenance Practices 6-31-0
HORIZONTAL STABILIZER AND ELEVATOR STATIONS
HORIZONTAL STABILIZER AND ELEVATOR STATION DIAGRAMS ..................... Maintenance Practices 6-41-0
WING STATIONS
WING STATION DIAGRAMS ..................................................................................... Maintenance Practices 6-51-0
ENGINE AND NACELLE STATIONS
ENGINE AND NACELLE STATION DIAGRAMS ....................................................... Maintenance Practices 6-61-0
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Feb 20/87 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Contents 6 Page 1
DIMENSIONS AND AREAS
1. General
A. This chapter contains information on principle dimensions for the wing, ailerons, flaps, horizontal stabilizer surfaces, vertical stabilizer surfaces, and body; areas for the wing and tail surfaces; and station diagrams for the wing, vertical tail surfaces, and engine nacelle.
B. Abbreviation terms used in defining the dimension, areas and stations are listed in the following paragraphs.
2. Abbreviations
A. The airplane is divided into reference planes, designated as stations, waterlines and buttock lines, measured in inches. This provides a means of quickly identifying the location of components, the center of gravity and the distribution of the weight. (See figure 201.)
B. Body B STA Body Station. The plane perpendicular and measured parallel to the body centerline from a point 130 inches forward of the nose. BBL Body Buttock Line. The plane measured perpendicular to the body vertical
centerline plane, BBL 0.00. BWL Body Waterline. The plane measured perpendicular to a horizontal plane located
148.5 inches below the body, BWL 0.00.
BRP Body Reference Plane. The horizontal plane, Body Waterline 208.1, at the top surface of the floor beams.
C. Vertical Stabilizer
Fin Sta Vertical Stabilizer Station. The plane perpendicular to the centerline of the vertical stabilizer rear spar. Distance is measured from Fin Station 0.00, the intersection of the leading edge line extension and the fin waterline 0.00.
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May 20/82 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 6-00 Page 201
Fin WL Vertical Stabilizer Waterline. A horizontal plane measured parallel to a Body Waterline. Fin Waterline 0.00 is Body Waterline 300.50.
Fin LE Sta Vertical Stabilizer Leading Edge Station. A plane perpendicular to the vertical stabilizer leading edge, measured from the fin leading edge station 0.00, the intersection of the leading edge line extension and the vertical stabilizer waterline
0.00.
Rud Sta Rudder Station. A plane perpendicular to the rudder hinge centerline, measured from Rudder Station 0.00, the intersection of the rudder hinge centerline and vertical stabilizer waterline 0.00.
D. Horizontal Stabilizer Stab Sta Horizontal Stabilizer Station. A plane perpendicular to stabilizer chord plane and plane of stabilizer rear spar, measured from stabilizer station 0.00, the intersection of the leading edge and stabilizer buttock line 0.00. SCP Stabilizer Chord Plane. A plane through the trailing and leading edges of the stabilizer airfoil.
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