# STC SA01977WI

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc., United States
- Description: Installation of the Enviro Systems Inc. Environmental Control System Upgrade
- Applied: December 19, 2019
- Status date: June 6, 2024
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- Certificate PDF: https://openairdocs.org/files/sha256/2f/63/2f6347dedb7afa3af0f39cd22ff12efd63070e4b91bd395f598031369280f930
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191201966120240731140559.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01977WI

## ADs that name it (0)

None.

## Approved models (2)

- Textron Aviation Inc. B300 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Textron Aviation Inc. B300C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

## 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.

$Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\D ILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&¶VVXSSRUWLQJGRFXPHQWDWLRQ GUDZLQJVLQVWUXFWLRQV SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5  )$$)RUP  3DJH RIBBB United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

BB__.

Original Product 7\SH&HUWLILFDWH1XPEHU Make:

SA01977WI Textron Aviation Inc.

One Cessna Blvd Wichita, KS 67215 Part 23 14 Code of Federal Regulations A24CE Textron Aviation Inc.

B300/B300C Installation of the Enviro Systems Environmental Control System Upgrade. Data required:

1. 3S Certification, Master Data List (MDL) No. 3S19-006-1001, Revision IR, dated 11-04-2022, or later FAA approved revision.

2. 3S Certification, FAA Approved Airplane Flight Manual Supplement (AFMS) No. 3S19-006-7101, Revision IR, dated 11/04/2022, or later FAA approved revision.

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

(Continued on page 3) December 19, 2019 June 6, 2024 November 4, 2022 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 4

$Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\D ILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&’s supporting documentation (drawings, instructions, SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5  )$$)RUP  3DJH RIBBB United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

SA01977WI 4

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nited States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA01977WI Date reissued: June 6, 2024 Description of Type Design change (continued)

3. 3S Certification, Instructions for Continued Airworthiness (ICA) No. 3S19-006-6101, Revision 2.0, dated 10/28/2022, or later FAA accepted revision.

Limitations and Conditions (continued)

2. This STC is applicable to the following serial numbers only:

FL-954; FL-1010; FL1031 and On; FM-66 and On (Avionics Fusion installed).

Based on 14 CFR §21.115 and §21.101, and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for the applicable Part 23 aircraft affected is as follows:

a. As specified on the applicable Type Certificate Data Sheet (TCDS) of the aircraft for parts not changed or not affected by this STC.

b. Regulations at the amendment levels defined within the below table for parts changed or affected by the STC since the reference date of STC application.

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nited States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA01977WI Date reissued: June 6, 2024 Certification Basis (continued):

Regulations at their corresponding amendment level in TCDS A24CE:

--------------- END ---------------- 44 Section

23.29(b)

23.45(c)(2)

23.301(a)

23.303

23.305

23.307(a)

23.561(e)

23.571(a)

23.601

23.603

23.605(a)

23.607

23.609

23.611

23.613

23.625(a)

23.627

23.629

23.771(a)

23.831

23.853(d)

23.863 Amdt.

23-21 23-34 23-28 23-0 23-0 23-0 23-34 23-34 23-0 23-23 23-23 23-17 23-0 23-7 23-23 23-7 23-0 23-31 23-14 23-34 23-34 23-34 Section

23.867

23.901

23.903

23.1041

23.1191(c)(e)(h)(1)

23.1301(a)(b)(c)(d)

23.1309(a)(b)(d)

23.1327(b)

23.1351(a)(1)(2)(ii)

23.1357(a)(c)

23.1365(a)(b)

23.1438(b)(c)

23.1461

23.1501(b)

23.1529

23.1541(a)(2)(b)

23.1547(e)

23.1581(a)(2)

23.1585(a) Amdt.

23-7 23-34 23-34 23-7 23-0 23-20 23-34 23-20 23-34 23-20 23-14 23-20 23-20 23-21 23-26 23-21 23-20 23-34 23-34

## Every issue (2)

- June 6, 2024: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2f/63/2f6347dedb7afa3af0f39cd22ff12efd63070e4b91bd395f598031369280f930)
- November 4, 2022: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/fb/28/fb28a3937a9c4381b6b58132ed676c1c92cec34ad709815aac9c051233d702cf)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.