TEXTRON AVIATION INC.
AIRCRAFT DIVISION
WICHITA, KANSAS 67277
INTRODUCTION
1.
Purpose
A.
The purpose of this Supplement is to provide the maintenance technician with the information
necessary to ensure the correct functionality and performance of the Avionics Standby System
Update on the Cessna Model 525B until this information gets incorporated into the next revision to
the manuals listed in the "REVISIONS" section of this supplement.
B.
This ICA supplement is designed to satisfy the requirements of 14 CFR 23.1529 "Instructions for
Continued Airworthiness" associated with this installation. This document is a supplement to the
Model 525B Maintenance Manual and will be incorporated in the next revision to the manual.
C.
When this information is incorporated in the next revision to the manuals listed in the "REVISIONS"
section, those manuals shall take precedence over this supplemental document. Refer to the "ICA
Supplement List" in the "Introduction" section of the respective manual for the status of all applicable
ICA Supplements.
D.
Revisions to this supplement may occur if there is a change to any of the ICAs in this supplement
prior to incorporation into all of the affected manuals.
NOTE:
This document must be placed with the aircraft operator's Technical Library CD-ROM
or Model 525B Maintenance Manual and incorporated into the operator's scheduled
maintenance program.
2.
Effectivity
A.
These Instructions for Continued Airworthiness (ICA) are effective for the following aircraft model and
serialization.
Model
Beginning Effectivity
Ending Effectivity
525B
-0057 and -0665
and On
3.
Complete ICA Documents
A.
The following document(s), in conjunction with this supplement, constitute the Instructions for
Continued Airworthiness for the for the Avionics Standby System Update on the Cessna Model
525B. All items must be available to the operator at initial delivery.
(1)
Model 525B Maintenance Manual
(2)
Model 525B (Airplanes -0057 and -0135 and On) Wire Diagram Manual
4.
System Components
A.
Refer to Appendix A: Illustrated Parts Catalog
Page 5 of 7
Feb 23/2022
© TEXTRON AVIATION INC.
ICA-525B-34-00004
Form 2261 Rev 1