# STC SR00186MC - Type: Supplemental type certificate - Status: Current, Amended - Holder: The Boeing Company, United States - Description: Installation of : Crash-Resistant, Ballistically Tolerant Fuel Tanks, New Pilot Seats, New Cabin Seats (Mulitiple Configurations) and Weight Saving Modification - Applied: October 12, 2018 - Status date: August 28, 2023 - Product: Aircraft, Rotorcraft - Certification basis: Part 29 - Data sheets: [TCDS R00002RD](https://openairdocs.org/tcds/R00002RD) - Certificate PDF: https://openairdocs.org/files/sha256/49/d0/49d0248331b5cbf3d79888e1d4679d73784594f7e5b0a840ba7228e104d28f4e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104671981720230907135028.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR00186MC ## ADs that name it (0) None. ## Approved models (1) - Leonardo S.p.a. AW139 ([TCDS R00002RD](https://openairdocs.org/tcds/R00002RD)) ## 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. FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ Part of . SR00186MC The Boeing Company 300 Industrial Highway Ridley Park, PA 19078 29 the Federal Aviation Regulations R00002RD Leonardo S.p.a. AW139 1. Installation of : Crash-Resistant, Ballistically Tolerant Fuel Tanks, New Pilot Seats, New Cabin Seats (Mulitiple Configurations) and Weight Saving Modification in accordance with Master Data List 8049-0001-MDL, Rev. C Ddated : 08/14/2023 or later FAA Approved revision and Configuration Matrix D139-10337-1 Rev. C dated: 8/22/2023 for configurations 1, 2, 3, 4, 5, and 6 See continuation sheet 3 through end. 1. The installer must determine whether this design change is compatible with previous approved modifications. See continuation sheet 3 through end. 10/12/2018 02/18/2022 8/28/2023 William J. Ertle II Lead ODA Administrator ODA-955292-NE 4 FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ SR00186MC 4 SR00186MC Effective Date: 8/28/2023 Description of Design Change: (continued) 2. ICA - Comply with FAA-accepted Instructions for Continued Airworthiness (ICA) listed below, or later FAA-Accepted revisions. a. Boeing Document No. TM-86-01PT-ICAW, Revision F, dated 8/09/2023. Supplements to the Aircraft Maintenance Manual, Illustrated Parts Catalog and Weight and Balance Information are cited within. 3. ALS - Comply with FAA-approved Airworthiness Limitations Section (ALS) - NONE 4. RFMS - Comply with Flight Manual Supplement listed below. a. Boeing RFMS - D139-10276-2, Rev A dated 5/30/2023, FAA Approved 6/21/2023 or later FAA Approved revision. Limitations and Conditions: (continued) 2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. 3. Prerequisite(s): a. Pre-modification configuration is a baseline Leonardo S.p.a. Model AW139 in the long nose configuration. In addition the following Leonardo S.p.a. Type Certificate (TC) and After Type Certificate (ATC) modifications are required to the baseline AW139 for this STC: TC1) 3G5311A31411 Aft Cabin Ballistic Structural Provision TC2) 3G5311A32611 Cabin Floor Ballistic Protection Structural Provision TC3) 3G5311A32711 Cockpit Floor Ballistic Protection Structural Provision TC4) 4G5332F00311 Kit Cabin Floor And Roof Mod ATC1) 4G9580F01511 Kit Aft Cabin Ballistic Protection 3 4 SR00186MC Effective Date: 8/28/2023 Certification Basis: 1. Based on 14 CFR §§ 21.101 and 21.115, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for this design change modification is as follows: a. The existing type certification basis for Leonardo S.p.a. Model AW 139 series as shown on FAA Type Certificate Data Sheet (TCDS) R00002RD for parts not altered nor affected by the design change. b. The certification basis for parts altered or affected by the design change since the reference date of project application is based upon part 29 as amended through Amendment 29-45 as listed in the TCDS. 2. Regulations effected by this modification at the amendment level in TCDS: 14 CFR §§ 29.25(a)@29-43, 29.27@29-3, 29.29(a)@29-15, 29.301@29-0, 29.303@29-0, 29.305(a)(b)@29-0, 29.307(a)@29-30, 29.309@29-0, 29.321@29-0, 29.549@29-26, 29.561@29-38, 29.562@29-41, 29.601@29-0, 29.603@29-17, 29.605(a)(b)@29-17, 29.607@29-5, 29.609@29-0, 29.610(b)(1)(d)@29-40, 29.611@29-0, 29.613@29-30, 29.619@29-0, 29.621@29-41, 29.623@29-0, 29.625@29-42, 29.783(a)(b)(c)(d)(e)(f)(g)@29-31, 29.785(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)@29-42. 29.787(a)(b)(c)(d)@29-31, 29.803(d)@29-30, 29.805(a)(b)@29-30, 29.807(a)(b)@29-30, 29.809(a)(b)(c)(d)@29-30, 29.811@29-31, 29.812(a)(b)(c)@29-24, 29.813(a)(b)(c)@29-12, 29.851(a)@29-0, 29.853(a)(c)(e)(f)@29-23, 29.855(a)(b)(c)(d)@29-30, 29.901(b)(2)@29-36, 29.952(a)@29-35, 29.959@29-0, 29.963 (a)(b)@29-35, 29.965(a)(c)@29-13, 29.967@29-35, 29.969@29-26, 29.971@29-26, 29.1301(a)(b)(d)@29-0, 29.1305(a)(4)(i)@29-40. 29.1307(a)(c)@29-12, 29.1309(d)@29-40, 29.1337(b)(1)@29-26, 29.1411(a)(b)(f)@29-0, 29.1413(a)(b)@29-16, 29.1439@29-0, 29.1519@29-0, 29.1529@29-20, 29.1541@29-0, 29.1553@29-0, 29.1557(a)(d)(c)(1)@29-26, 29.1561(a)(b)(c)(d)@29-0, 29.1581@29-15, 29.1583(c)(e)(g)(h)(i)@29-24, 29.1585(a)(b)(e)(f)@29-24, 29.1589@29-0 END 4 4 ## Every issue (2) - August 28, 2023: Amended, Current. [certificate](https://openairdocs.org/files/sha256/49/d0/49d0248331b5cbf3d79888e1d4679d73784594f7e5b0a840ba7228e104d28f4e) - February 18, 2022: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/b7/cf/b7cf90fd7758a427ace440e9b8a766149600ea0e192f6600fe15cefc242c0568) --- 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.