STC SA01379WI

Supplemental type certificate · Cheyenne Tech

Holder
Cheyenne Tech · United States
Status
Current · Reissued
Status date
October 31, 2024
Applied
February 22, 2005
Product
Aircraft · Small Airplane
Certification basis
Part 23
Data sheet
TCDSA23SO

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

What it approves

Installation of Dual Digital Altimeters and associated equipment to obtain Reduced Vertical Separation Minimum (RVSM) Airworthiness approval.

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.

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SA01379WI Cheyenne Tech 5111 Newbury Way Columbia, MO 65203-8489 Part 23 Federal Aviation Regulations A23SO See the attached FAA AML SA01379WI for all approved makes, models, and required data.

Installation of Dual Digital Altimeters and associated equipment to obtain Reduced Vertical Separation Minimum (RVSM) Airworthiness approval. See the attached FAA Approved Model List (AML) SA01379WI for all required data.

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

2. The modified aircraft must be operated in accordance with the applicable AFMS.

February 22, 2005 3/7/2006, 10/31/2024 March 2, 2006 8/16/2007 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2

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Date oI transfer:

SA01379WI 2

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 · 3

MakeModelData sheet
Piper Aircraft Inc.PA-42A23SO
Piper Aircraft Inc.PA-42-1000A23SO
Piper Aircraft Inc.PA-42-720A23SO

Every issue · 4

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
October 31, 2024Reissued, currentCertificateApproved model list
September 7, 2011Amended, earlier issueCertificateApproved model list
August 16, 2007Amended, earlier issueCertificateApproved model list
March 7, 2006Reissued, earlier issueCertificate