STC SA00987CH

Supplemental type certificate · Landmark Aviation

Holder
Landmark Aviation · United States
Status
Current · Reissued
Status date
February 3, 2006
Applied
January 4, 1999
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21, Part 23
Data sheet
TCDSA1WI

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of AlliedSignal two tube EFIS-50 on co-pilot's panel with Honeywell FZ500 flight director.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

Part 23 of the Federal Aviation Regulations.

Installation of an Allied Signal two tube EFIS-50 on Co-pilot’s panel with Honeywell FZ500 Flight Director in accordance with ElectroSonics Drawing No. ES525-720250-01, Revision 1, dated February 2, 1999 or later FAA approved revision.

1. Compatibility of this design change with previously appr oved modifications must be determined by the installer.

2. The aircraft must be maintained in accordance with F AA Approved Maintenance Manual Supplement, document number ES525- 720250-200, Initial Release, dated February 02, 1999, or later FAA approved revision in addition to the basic airplane maintenance manuals.

3. FAA Approved Flight Manual Supplem ent, Document number ES525-720250-100, dated February 02, 1999 or later FAA approved revision is a required part of this STC.

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Landmark Aviation 1200 North Airport Drive Springfield, IL 62707 A1WI Make : Cessna Model : 525 Date of application : January 04, 1999

Date of issuance : February 02, 1999

Date reissued : February 03, 2006

( Signature) Charles L. Smalley Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

( Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Cessna Aircraft Company525A1WI