# STC SA00221MC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Nevada Company LLC, United States - Description: Installation of non-essential, not required mission systems. - Applied: May 28, 2021 - Status date: June 11, 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/f1/1d/f11d760302e6004dfea27d5382a5a2e9c147d24fc7dadb0192a2d92294011bb3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160468764720240621140950.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA00221MC ## 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. SA00221MC Sierra Nevada Company, LLC 18632 Jarkey Drive Hagerstown, MD 21742 23 Chapter 14 Code of Federal Regulations A24CE Textron Aviation Inc. Model B300, B300C Installation of non-essential, not required mission systems. 1) Sierra Nevada Corporation (SNC) document, Master Data List (MDL) 03130000 Rev B, Dated: May 26, 2023 or later FAA approved revision. (Description continued on Page 3 of this STC) 1) Compatibility of this design change with previously approved modifications must be determined by the installer. (Limitations continued on Page 3 of this STC) May 28, 2021 06/11/2024 June 01, 2023 William Eckler ODA administrator, ODA-833355-CE 5 SA00221MC 5 SA00221MC Description of Type Design Change (continuation): 2) Sierra Nevada Corporation (SNC) Instructions for Continued Airworthiness (ICA), Document Number 03130102, Revision C, dated September 02, 2022, or later FAA accepted revision. 3) Sierra Nevada Corporation (SNC) Airplane Flight Manual Supplement (AFMS), Document Number 03130103 Revision B, dated July 29, 2022, or later FAA approved revision. Limitations and Conditions (continuation) 2) 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. 3) Approval of this change in type design applies to the model of airplane shown in page 1 of this STC. 4) A copy of this certificate, the AFMS, and the ICA shall be maintained as part of the permanent records for the modified airplane. 5) This approval includes the installation of provisions for later equipment installations. Additional FAA certification may be required to install the equipment. 6) This STC is intended for military, public, or government use aircraft only. Installation of this STC on aircraft for commercial use is prohibited. (continuation next page) 3 5 SA00221MC (continued from page 3) 7) This STC is applicable to all serial numbers for this Make-Model. 8) FAA found the design change to be no acoustic change per 14 CFR §21.93(b). 9) STCs SA11133SC, SA00159MC, SA03087NY, and SA03349NY must be installed as prerequisites for this STC. 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 Textron Aviation model B300/B300C mission systems 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, 05/28/2021. Regulations at the latest amendment 23-0 through 23-65: 23.305(a)(b) [Amdt. 23–45], 23.572(a)(3) [Amdt. 23–48], 23.573(b) [Amdt. 23–48], 23.574(a) [Amdt. 23–48], 23.575 [Amdt. 23–48], 23.607 [Amdt. 23–48], 23.611 [Amdt. 23–48], 23.613(a)(b)(1)(2)(c)(d) [Amdt. 23–45], 23.791 [Amdt. 23–49], 23.813(a)(b)(1) (2)(3) [Amdt. 23–46], 23.831(b) [Amdt. 23-62], 23.867 [Amdt. 23–49], 23.1322 [Amdt. 23–43], 23.1351(a)(1)(2)(ii)(b)(1)(i)(ii)(iii)(2)(3) [Amdt. 23–49], 23.1357(a)(c)(d) [Amdt. 23–43], 23.1359(c) [Amdt. 23–49], 23.1365(a)(b)(d) [Amdt. 23–49], 23.1525 [Amdt. 23– 45], 23.1581(a)(b)(1)(3)(f) [Amdt. 23–50]. Regulations at the amendment level in TCDS A24CE: 23.29(b) [Amdt. 23–21], 23.301(a)(b)(c) [Amdt. 23–28], 23.303 [Amdt. 23-0], 23.307(a) (continuation next page) 4 5 SA00221MC (continued from page 4) [Amdt. 23-0], 23.365(a)(b)(c)(d) [Amdt. 23-0], 23.601 [Amdt. 23-0], 23.603 [Amdt. 23-23], 23.605(a) [Amdt. 23–23], 23.609 [Amdt. 23-0], 23.615(a)(1) [Amdt. 23–7], 23.619 [Amdt. 23–7], 23.625(a)(1)(2)(3)(b)(c) [Amdt. 23–7], 23.771(a) [Amdt. 23–14], 23.773(a)(1)(b) [Amdt. 23–14], 23.785(a)(b)(g)(2)(i)(j)(l) [Amdt. 23–34], 23.787(a)(b)(e) (g)(1) [Amdt. 23–34], 23.807(b)(1)(2)(3)(d)(4) [Amdt. 23–34], 23.851 [Amdt. 23–34], 23.853(a)(c)(d)(1)(2)(3)(i)(ii)(iv)(v) [Amdt. 23–34], 23.1301 [Amdt. 23–20], 23.1353(b)(d) (e) [Amdt. 23–21], 23.1361(a) [Amdt. 23–20], 23.1367 [Amdt. 23-0], 23.1381 [Amdt. 23-0], 23.1411 [Amdt. 23–17], 23.1413(a)(c) [Amdt. 23–22], 23.1415 [Amdt. 23-0], 23.1447(a)(1)(2)(3)(e)(f) [Amdt. 23–30], 23.1501 [Amdt. 23–21], 23.1529 [Amdt. 23– 26], 23.1541(a)(1)(2)(b)(1)(2) [Amdt. 23–21], 23.1557(a) [Amdt. 23–23], 23.1561 [Amdt. 23-0], 23.1589(a) [Amdt. 23–13]. Regulations at an intermediate amendment level: 23.561(a)(b)(1)(2)(i)(ii)(iii)(3)(i)(ii)(iii) [Amdt. 23–48], 23.571(c) [Amdt. 23–48], 23.777 (a)(b) [Amdt. 23–51], 23.1309(a)(1)(4)(b)(1)(2)(i)(ii)(3)(4)(i)(ii)(iii)(iv)(c)(1)(e) [Amdt. 23– 49], 23.1431(a)(b)(c)(e) [Amdt. 23–49], 23.1457(a)(1)(2)(3)(4)(5) [Amdt. 23–35], 23.1555(a) [Amdt. 23–50], 23.1583(h) [Amdt. 23–50], 23.1585(a)(j) [Amdt. 23–50]. ----------------------------------------------------END--------------------------------------------------------- 5 5 ## Every issue (2) - June 11, 2024: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f1/1d/f11d760302e6004dfea27d5382a5a2e9c147d24fc7dadb0192a2d92294011bb3) - June 1, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2d/7a/2d7a017769a51b0d8facdf4553fa7a88034fbcfcbceee395acfc35b03df3be55) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. 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