Pt. 23, App. A

14 CFR Ch. I (1-1-19 Edition)

by the FAA in a manner specified by
the administrator - 
(1) For low-speed, level 1 and 2 airplanes, those portions of the Airplane
Flight Manual containing the information specified in paragraph (a)(1) of this
section; and
(2) For high-speed level 1 and 2 airplanes and all level 3 and 4 airplanes,
those portions of the Airplane Flight
Manual containing the information
specified in paragraphs (a)(1) thru (a)(4)
of this section.

APPENDIX A TO PART 23 - INSTRUCTIONS
FOR CONTINUED AIRWORTHINESS
A23.1

General

(a) This appendix specifies requirements
for the preparation of Instructions for Continued Airworthiness as required by this
part.
(b) The Instructions for Continued Airworthiness for each airplane must include
the Instructions for Continued Airworthiness
for each engine and propeller (hereinafter
designated  - products - ), for each appliance
required by this chapter, and any required
information relating to the interface of
those appliances and products with the airplane. If Instructions for Continued Airworthiness are not supplied by the manufacturer of an appliance or product installed in
the airplane, the Instructions for Continued
Airworthiness for the airplane must include
the information essential to the continued
airworthiness of the airplane.
(c) The applicant must submit to the FAA
a program to show how changes to the Instructions for Continued Airworthiness made
by the applicant or by the manufacturers of
products and appliances installed in the airplane will be distributed.
A23.2

Format

(a) The Instructions for Continued Airworthiness must be in the form of a manual
or manuals as appropriate for the quantity
of data to be provided.
(b) The format of the manual or manuals
must provide for a practical arrangement.

spaschal on DSK3GDR082PROD with CFR

A23.3

Content

The contents of the manual or manuals
must be prepared in the English language.
The Instructions for Continued Airworthiness must contain the following manuals or
sections and information:
(a) Airplane maintenance manual or section.
(1) Introduction information that includes
an explanation of the airplane-s features and

data to the extent necessary for maintenance or preventive maintenance.
(2) A description of the airplane and its
systems and installations including its engines, propellers, and appliances.
(3) Basic control and operation information
describing how the airplane components and
systems are controlled and how they operate, including any special procedures and
limitations that apply.
(4) Servicing information that covers details regarding servicing points, capacities of
tanks, reservoirs, types of fluids to be used,
pressures applicable to the various systems,
location of access panels for inspection and
servicing, locations of lubrication points, lubricants to be used, equipment required for
servicing, tow instructions and limitations,
mooring, jacking, and leveling information.
(b) Maintenance Instructions.
(1) Scheduling information for each part of
the airplane and its engines, auxiliary power
units, propellers, accessories, instruments,
and equipment that provides the recommended periods at which they should be
cleaned, inspected, adjusted, tested, and lubricated, and the degree of inspection, the
applicable wear tolerances, and work recommended at these periods. However, the applicant may refer to an accessory, instrument, or equipment manufacturer as the
source of this information if the applicant
shows that the item has an exceptionally
high degree of complexity requiring specialized maintenance techniques, test equipment, or expertise. The recommended overhaul periods and necessary cross reference to
the Airworthiness Limitations section of the
manual must also be included. In addition,
the applicant must include an inspection
program that includes the frequency and extent of the inspections necessary to provide
for the continued airworthiness of the airplane.
(2) Troubleshooting information describing
probable malfunctions, how to recognize
those malfunctions, and the remedial action
for those malfunctions.
(3) Information describing the order and
method of removing and replacing products
and parts with any necessary precautions to
be taken.
(4) Other general procedural instructions
including procedures for system testing during ground running, symmetry checks,
weighing and determining the center of gravity, lifting and shoring, and storage limitations.
(c) Diagrams of structural access plates
and information needed to gain access for inspections when access plates are not provided.
(d) Details for the application of special inspection techniques including radiographic
and ultrasonic testing where such processes
are specified by the applicant.

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