# STC SH7054NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Heli-Support Inc., United States - Description: Installation of a skid toe mounted convex mirror for sling load operations. - Applied: August 7, 1991 - Status date: October 31, 2006 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H11EU](https://openairdocs.org/tcds/H11EU), [TCDS H9EU](https://openairdocs.org/tcds/H9EU) - Certificate PDF: https://openairdocs.org/files/sha256/14/bb/14bb3c6f4b78c41f124fd235b9effaa16686d0a33c81d8c51d1f6e9aaf87a07c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BF5C73CB4EA2CA158625724B007935D7.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SH7054NM ## ADs that name it (0) None. ## Approved models (12) - Eurocopter France AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Eurocopter France AS355E ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Eurocopter France AS355F ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Eurocopter France AS355F1 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Eurocopter France AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Eurocopter France AS355N ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) ## 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 Heli-Support, Inc. 120 N.E. Frontage Road Ft. Collins, Colorado 80524 Part 27 of the Federal Aviation Regulations. **See Attached FAA Approved Model List *(AML) No. SH7054NM for list of approved *helicopter models and approved airworthiness regulations Description of Type Design Change: Installation of a skid toe mounted convex mirror for sling load operations in accordance with Heli-Support, Inc. installation instructions as listed on AML No. SH7054NM or later FAA approved revision. Limitations and Conditions: The approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and FAA approved model list (AML) No. SH7054NM, dated January 26, 1994, must be maintained in the permanent records of a helicopter modified in accordance with this STC. (See Continuation page) This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application : August 7, 1991 Date of issuance : January 26, 1994 Date reissued: August 6, 2004; October 31, 2006 ( Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title) Number SH7054NM Limitations and Conditions (Continued) A helicopter modified by this installation may not be operated with any other external mirror installed. 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. Noise Characteristics Statement For Heli-Support, Inc. Skid Mounted Mirror NOTE 1. Noise characteristics: This modification has been determined not to increase the noise level and is not considered an “acoustical change” as defined in Paragraph 21.93(b), Amendment 21-70 of the Federal Aviation Regulations. - END - ## Every issue (1) - October 31, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/14/bb/14bb3c6f4b78c41f124fd235b9effaa16686d0a33c81d8c51d1f6e9aaf87a07c) --- 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.