# STC SA01578WI

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aircraft Management Services Inc., United States
- Description: Vertical Separation Minimum (RVSM) non-group (individual) airworthiness approval of specific Cessna Aircraft Company Model 441(Conquest) aircraft
- Applied: January 11, 2010
- Status date: March 7, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A28CE](https://openairdocs.org/tcds/A28CE)
- Certificate PDF: https://openairdocs.org/files/sha256/86/2d/862d4105792b7a5d954173f5a05d2b550dfc1727b7a3db021c940ebe0a041f17
- Approved model list and other attachments: [SA01578WIaml_KSR.pdf](https://openairdocs.org/files/sha256/99/f0/99f0d1c38d1660cea84365b652e8b5bdf423f12aba262b4606a238cf6304797c)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/56D6AD54FE007C3F8625796B006DDF5D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01578WI

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 441 ([TCDS A28CE](https://openairdocs.org/tcds/A28CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

This certificate issued to: Aircraft Management Services, Inc.

228 Airport Road Hangar 7 New Cumberland, PA 17070

Part 23 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: A28CE Make: Cessna Aircraft Company Model: 441 (Conquest)

Reduced Vertical Separation Minimum (RVSM) non-group (individual) airworthiness approval of specific Cessna Aircraft Company Model 441(Conquest) aircraft in accordance with Kohlman Systems Research (KSR) RVSM Master Drawing List, Drawing No. MDL1037, Rev. “OR“, dated March 30, 2010, or later FAA approved revision.

1. This approval is limited to specifically identified Cessna Model 441 aircraft (see attached AML No. SA01578WI).

Descriptive data pertaining to this design change are considered inadequate for duplication on other products.

2. This STC does not approve any equipment or software modifications. Independent approval and incorporation of a prerequisite dual Air Data Computer system installation is required (see attached AML No. SA01578WI).

3. An FAA Approved Airplane Flight Manual Supplement (see attached AML No. SA01578WI) is required to be on board during operation of the aircraft in RVSM airspace.

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

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

6. A copy of this certificate must be maintained as part of the permanent records of the aircraft.

Date of application : January 11, 2010

Date of issuance : April 23, 2010

Date reissued : M arch 7, 2011

Original signed by Harvey E. Nero

( Signature) Harvey E. Nero FAA Program Manager Wichita Aircraft Certification Office

( Title)

### SA01578WIaml_KSR.pdf

FAA APPROVED MODEL LIST (AML) NO. SA01578WI Kohlman Systems Research, Inc For Non-Group Reduced Vertical Separation Minimum (RVSM) Airworthiness Approval Page 1 of 1

Issue Date: April 23, 2010 Item Aircraft Make Aircraft Model S/N TC Data Sheet Certification Basis Prerequisite Equipment Installation Master Drawing List/Date AFM Supplement Number/Date AML Amendment / Date

1. Cessna Aircraft Company Model 441 Conquest 0125 A28CE 14CFR 23, see TCDS for Details Installed in accordance with the drawings listed on MDL1037. See Note (1) MDL1037, Revision OR, dated 30-MAR-10 or later FAA approved revision KSR Doc. No.

1008107, Original Release, 04/19/10 or later FAA approved revision.

Original Issue April 19, 2010

(1) Note: The installation approval of this equipment is not included in this STC.

FAA Approved:

FAA Program Manager Wichita Aircraft Certification Office

## Every issue (2)

- March 7, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/86/2d/862d4105792b7a5d954173f5a05d2b550dfc1727b7a3db021c940ebe0a041f17), [SA01578WIaml_KSR.pdf](https://openairdocs.org/files/sha256/99/f0/99f0d1c38d1660cea84365b652e8b5bdf423f12aba262b4606a238cf6304797c)
- April 23, 2010: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/76/16/76168bf052477b5c212b1fbea9e8e68f43e1d558ce2863c16fa49edc519a69ab), [SA01578WIaml_KSR.pdf](https://openairdocs.org/files/sha256/99/f0/99f0d1c38d1660cea84365b652e8b5bdf423f12aba262b4606a238cf6304797c)

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