# STC SH3721NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: AeroControlex Group Inc, United States - Description: Installation of a closed circuit refueling receiver P/N 750000-13. - Applied: March 19, 2010 - Status date: March 19, 2010 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/ce/ae/ceaeed0aa68888ec50c5a02974f51dedcfbb60c51c05bf2dd0c010b67e492554 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E635FF956AFF35EA862576F60074668D.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SH3721NM ## ADs that name it (0) None. ## Approved models (1) - Bell Helicopter Textron 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SH3721NM This certificate issued to: AEROCONTROLEX GROUP, INC. 313 Gillett Street Painesville, Ohio 44077 Part 29 of the Federal Aviation Pegulalions. See Type Certificate Data Sheet H4SW for the complete certification basis. Original Product Type Certificate Number: HASW Make: Bell Model: 212 Description of Type Design Change: Installation of a Closed Circuit Refueling Receiver, P/N 750000-13, in accordance with HR Textron, Inc. Drawing List No. 750097-13, Revision K, dated July 28, 1993, or later FAA approved revision. NOTE: HR Textron, Inc. Service Bulletin 750000-28-04, Rev. 1, dated February 15, 1993, listed in the above Drawing List supersedes Installation Instructions FMTC No. 278, dated March 2, 1987. Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to rotorcraft of these models that incorporate any other previously approved modification unless it is determined that the interrelationship between this change and any other modification will introduce no adverse effect on the airworthiness of these rotorcraft. A copy of this STC must be included in the permanent records of each rotorcraft modified in accordance with this STC. 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. Date of Application: February 17, 1986 Date Reissued: March 19, 2010 Date of Issuance: May 22, 1987 Date Amended: August 6, 1993 FEDERAL AVIATION By Direction of the Administrator така ах-ч4 Signature) * Manager, Technical & Administrative TOMINSTRATO Support Staff, Los Angeles Aircraft Certification Office TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number_ to (Name of transferee) (Address of transfer) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if licensing agreement): Signature of grantor (In ink): ## Every issue (1) - March 19, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ce/ae/ceaeed0aa68888ec50c5a02974f51dedcfbb60c51c05bf2dd0c010b67e492554) --- 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.