Notice of Intent To Designate as Abandoned Turbine Conversions, Int. Supplemental Type Certificate No. SA4293WE

Published date05 June 2024
Record Number2024-12310
Citation89 FR 48210
CourtFederal Aviation Administration,Transportation Department
Federal Register, Volume 89 Issue 109 (Wednesday, June 5, 2024)
[Federal Register Volume 89, Number 109 (Wednesday, June 5, 2024)]
                [Pages 48210-48211]
                From the Federal Register Online via the Government Publishing Office []
                [FR Doc No: 2024-12310]
                Federal Aviation Administration
                [Docket No. FAA-2024-1481]
                Notice of Intent To Designate as Abandoned Turbine Conversions,
                Int. Supplemental Type Certificate No. SA4293WE
                AGENCY: Federal Aviation Administration (FAA) DOT.
                ACTION: Notice of intent to designate Turbine Conversions, Int.
                Supplemental Type Certificate as abandoned; request for comments.
                SUMMARY: This notice announces the FAA's intent to designate Turbine
                Conversions, Int. Supplemental Type Certificate (STC) No. SA4293WE as
                abandoned and make the related engineering data available upon request.
                The FAA has received a request to provide engineering data concerning
                this STC. The FAA has been unsuccessful in contacting Turbine
                Conversions, Int. concerning the STC. This action is intended to
                enhance aviation safety.
                DATES: The FAA must receive all comments by December 2, 2024.
                ADDRESSES: You may send comments on this notice by any of the following
                 Federal eRulemaking Portal: Go to Follow
                the instructions for submitting comments.
                 Mail: Chuck Ayala, Aviation Safety Engineer, West
                Certification Branch, FAA, 3960 Paramount Blvd., Suite 100 Lakewood, CA
                 Email: [email protected]. Include ``Docket No. FAA-
                2024-1481'' in the subject line of the message.
                 Hand Delivery: Deliver to mailing address above between 9
                a.m. and 5 p.m., Monday through Friday, except Federal holidays.
                FOR FURTHER INFORMATION CONTACT: Chuck Ayala, Aviation Safety Engineer,
                FAA; telephone: 562-627-5226; email: [email protected].
                [[Page 48211]]
                Comments Invited
                 The FAA invites interested parties to provide comments, written
                data, views, or arguments relating to this notice. Send your comments
                to an address listed under the ADDRESSES section. Include ``Docket No.
                FAA-2024-1481'' at the beginning of your comments. The FAA will
                consider all comments received on or before the closing date. All
                comments received will be available in the docket for examination by
                interested persons.
                 The FAA is posting this notice to inform the public of the intent
                to designate as abandoned Turbine Conversions, Int. STC No. SA4293WE
                and subsequently release the related engineering data. Turbine
                Conversions, Int. STC No. SA4293WE is for the removal of the original
                equipment engines and propellers and the installation of two Lycoming
                LTP101-600A-1A turbo-propeller engines and two three-bladed Hartzell
                HC-B3TN-3C/T10173-13Q propellers and controls including a major fuel
                system modification, in accordance with Riley Aircraft Corporation
                data, in Cessna Aircraft 421B and 421C series airplanes.
                 The FAA has received a third-party request for the release of the
                aforementioned engineering data under the provisions of the Freedom of
                Information Act (FOIA), 5 U.S.C. 552. The FAA cannot release commercial
                or financial information under FOIA without the permission of the data
                owner. However, in accordance with 49 U.S.C. 44704(a)(5), the FAA can
                provide STC ``engineering data'' it possesses for STC maintenance or
                improvement, upon request, if the following conditions are met:
                 1. The FAA determines the STC has been inactive for three years or
                 2. Using due diligence, the FAA is unable to locate the owner of
                record or the owner of record's heir; and
                 3. The availability of such data will enhance aviation safety.
                 There has been no activity on this STC for more than three years.
                 On October 13, 2023, the FAA sent a certified letter to Turbine
                Conversions, Int. at its last known address, 2016 Palomar Airport Road,
                Carlsbad, California 92008. The letter was returned, unable to be
                forwarded. The letter informed Turbine Conversions, Int. that the FAA
                had received a request for engineering data related to STC No. SA4293WE
                and was conducting a due diligence search to determine whether the STC
                was inactive and may be considered abandoned. The letter further
                requested Turbine Conversions, Int. to respond in writing within 60
                days and state whether it is the holder of the STC. The FAA also
                attempted to make contact with Turbine Conversions, Int. by other
                means, including telephone communication and emails, without success.
                Information Requested
                 If you are the owner or heir or a transferee of STC No. SA4293WE or
                have any knowledge regarding who may now hold STC No. SA4293WE, please
                contact Chuck Ayala using a method described in this notice under FOR
                FURTHER INFORMATION CONTACT. If you are the heir of the owner, or the
                owner by transfer, of STC No. SA4293WE, you must provide a notarized
                copy of your government-issued identification with a letter and
                background establishing your ownership of the STC and, if applicable,
                your relationship as the heir to the deceased holder of the STC.
                 If the FAA does not receive any response by December 2, 2024, the
                FAA will consider STC No. SA4293WE abandoned, and the FAA will proceed
                with the release of the requested data. This action is for the purpose
                of maintaining the airworthiness of an aircraft and enhancing aviation
                 Issued on May 31, 2024.
                Victor Wicklund,
                Deputy Director, Compliance & Airworthiness Division, Aircraft
                Certification Service.
                [FR Doc. 2024-12310 Filed 6-4-24; 8:45 am]
                BILLING CODE 4910-13-P

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