Recommendations
for Conversion to
Guidelines
What are ATA 100 Specs
?
• It establishes standards for the
presentation of certain data
produced by aircraft, engine, and
component manufacturers which is
required for support of their products.
A D V A N T A G E S
• It minimizes cost and effort of operators to
make the manufacturer’s data more
compatible for the publishers, engineers,
airframe manufacturers, owners, and
mechanics.
General Rules
•FORMAT
•STYLE
•METHOD
General Rules
• FORMAT ( page & text )
– Header / Footer Info
• Manufacturer, Model, Effectivity,
Sec-Sub, Date, Page Numbering
Chapt-
– Type Size
• 10 to 12 pt Sans Serif Font (ARIAL)
– 6 Lines per Inch
• An inch is 72 points, so 6 lpi is paragraph
This ONLY works on
spacing of Exactly 12 points
10 pt. Arial font.
General Rules
• FORMAT ( Chapter – Section – Sub-Section )
– Each Chapter represents a System
Chapters in Illustrated Parts Catalog:
72-00-00 Reciprocating Engine
73-00-00 Engine and Fuel Control
74-00-00 Ignition
76-00-00 Engine Controls
General Rules
• FORMAT ( Chapter – Section – Sub-Section )
– Each Section represents a Sub-System
72-00-00 Reciprocating Engine (General)
72-10-00 Front Section
72-20-00 Power Section
72-30-00 Cylinder Section
72-40-00 Supercharger Section
74-50-00 Lubrication
General Rules
• FORMAT ( Chapter – Section – Sub-Section )
– Each Sub-Section coordinates with a Page Block
– EXAMPLE: 74
Chapter
Ignition
System Description
Fault Isolation
Special Procedure
Removal
Installation
Disassembly
Cleaning
Unassigned
1-99
101-199
201-299
301-399
401-499
501-599
601-699
701-799
—
20
—
Section
Distribution
Inspection/Check
Repair
Assembly
Servicing (72-00-00 only)
Storage (& transportation)
Testing
Rework (SB Instructions)
01
Fault Isolation
801-899
901-999
1001-1099
1101-1199
1201-1299
1301-1399
1401-1499
General Rules
• FORMAT ( indexing )
– LEP, TOC, & Page/Figure Numbering
• Page numbers further subdivide information.
System Description……...1-99
Fault Isolation………..101-199
Special Procedures…201-299
Removal………………301-399
Installation…………….401-499
Disassembly…………501-599
Cleaning……..............601-699
Unassigned….............701-799
Inspection/Check…….801-899
Etc…
General Rules
• FORMAT ( indexing )
– LEP, TOC, & Page/Figure Numbering
• Page numbers further subdivide information.
System Description……...1-99
Fault Isolation………..101-199
Special Procedures….201-299
Removal………………301-399
Installation…………….401-499
General Rules
• FORMAT ( indexing )
– LEP, TOC, & Page/Figure Numbering
• Figure numbering style matches page numbering.
System Description……...1-99
Fault Isolation………..101-199
Special Procedures…201-299
Removal………………301-399
Installation…………….401-499
Disassembly…………500-599
Cleaning……..............600-699
Unassigned….............701-799
Inspection/Check…….801-899
General Rules
• FORMAT ( indexing )
– Main TOC should be more concise
– Chapter TOC should have more detail
General Rules
•METHOD
1. Major Breakdown
A. Major Subdivision
(1) Steps of Procedure
(a) Any further breakdown of the steps
1 Any necessary further breakdown
a Any necessary further breakdown
Chapter-Section-Subject will be in the footer
73-10-05
General Rules
•METHOD
WARNING:
CAUTION:
NOTE:
General Rules
•METHOD
WARNING: ENTIRE WARNING IS IN ALL
CAPITAL LETTERS, UNDERLINED,
ABOVE AND VERTICALLY ALIGNED
WITH THE STEPS THEY APPLY TO.
General Rules
•METHOD
CAUTION: ENTIRE CAUTION IS IN ALL
CAPITAL LETTERS, UNDERLINED,
ABOVE AND VERTICALLY ALIGNED
WITH THE STEPS THEY APPLY TO.
General Rules
•METHOD
NOTE: These are in upper/lower case,
underlined, directly below and vertically
aligned to the text they affect.
General Rules
•METHOD
WARNING:
CAUTION:
NOTE:
General Rules
•Illustrated Parts Catalog
General Rules
• IPC
Table of Contents
ILLUSTRATED PARTS CATALOG
72-00-00 Reciprocating Engine
72-10-00 Front Section
1. Propeller Drive Assy.
72-20-00 Power Section
1. Crankcase Assy.
2. Crankshaft Idler Gears
72-30-00 Cylinder Section
1. Connecting Rods, Pistons
2. Valve Assy.
72-40-00 Supercharger Section
1. Compressor Mounting Parts
2. Intake Pipes, Air Inlet
74-50-00 Lubrication
1. Oil Sump and Induction Housing
IPC
Divided by
Systems
MAINTENANCE MANUAL
72-00-00 Reciprocating Engine
Maintenance
Power Section
MM
System Description
72-20-00 199
Power Section Maintenance
1. General
2. Crankcase
3. Crankshaft and
Counterweights
4. Camshaft
5. Bearings
Fault Isolation
72-20-01
101-199
1. Crankcase
2. Crankshaft and Counterweights
3. Camshaft
Divided
by
Procedure
Recommendations
for Conversion to
Guidelines