28--Department of the Interior (DOI) Office of Aviatio
ID: 140D0426Q0080Type: Solicitation
Overview

Buyer

INTERIOR, DEPARTMENT OF THEDEPARTMENTAL OFFICESIBC ACQ SVCS DIRECTORATE (00004)HERNDON, VA, 20170, USA

NAICS

Aircraft Engine and Engine Parts Manufacturing (336412)

PSC

GASOLINE RECIPROCATING ENGINES, AIRCRAFT PRIME MOVER; AND COMPONENTS (2810)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)
Timeline
    Description

    The Department of the Interior (DOI) is soliciting quotes for a Lycoming IO-360-A1B6 engine, either new or factory-rebuilt, specifically for use on Partnavia P-68 aircraft, intended for the Office of Aviation Services Alaska Regional Office. This procurement is a total small business set-aside under NAICS Code 336412, emphasizing the necessity of the brand-name engine due to its unique FAA approval and compliance with airworthiness requirements. The engine is critical for maintaining the operational safety and efficiency of the DOI's aviation fleet. Quotes are due by January 12, 2026, at 12:00 PM EST, with delivery required by August 15, 2028, to Anchorage, AK. For further inquiries, interested parties may contact Rachael Davis at rldavis@ibc.doi.gov or by phone at 208-433-5038.

    Point(s) of Contact
    Files
    Title
    Posted
    The Department of the Interior's Interior Business Center requires a brand-name Lycoming IO-360-A1B6 engine for a Partnavia P68 aircraft, citing FAR 13.106-1(b)(1) for a single-source determination. This specific engine is the only model approved by the FAA for this aircraft type, as confirmed by its Type Certificate, which ensures compliance with airworthiness requirements. Market research, including internet searches, distributor websites, and interviews with Office of Aviation Services (OAS) personnel, confirmed that only Lycoming engines meet the stringent FAA requirements for the OAS fleet. The acquisition will be set aside for small business concerns, emphasizing the necessity of the brand-name Lycoming engine due to safety, time, and warranty considerations, as well as the unique FAA approval.
    This document is an amendment to solicitation number 140D0426Q0080, dated December 22, 2025, from the Interior Business Center, Acquisition Services Directorate. The primary purpose of amendment 0001 is to update the title of the Request for Quote for clarity. Offerors must acknowledge receipt of this amendment by completing items 8 and 15, returning copies, acknowledging on each offer copy, or sending a separate communication referencing the solicitation and amendment numbers. Failure to acknowledge receipt by the specified hour and date may result in the rejection of the offer. Changes to already submitted offers can be made via letter or electronic communication, provided they reference the solicitation and amendment and are received before the opening hour and date. The period of performance is from February 1, 2025, to August 15, 2028, with a delivery date of August 15, 2028. All other terms and conditions of the original solicitation remain unchanged.
    This government solicitation, 140D0426Q0080, is a Request for Quotation (RFQ) for one new or factory-rebuilt Lycoming IO-360-A1B6 engine for Partnavia P68 aircraft, intended for the Office of Aviation Services Alaska Regional Office. It is a 100% small business set-aside under NAICS Code 336412 (Aircraft Engine and Engine Parts Manufacturing) with a size standard of 1,500 employees. The solicitation incorporates various FAR clauses, including those related to commercial items, small business programs, and prohibitions on certain telecommunications equipment. Quotes are due by January 12, 2026, 12:00 PM EST, and award will be based on the most advantageous price from a responsible, Lycoming-authorized distributor. Delivery is required by August 15, 2028, to Anchorage, AK, with electronic invoicing via the IPP system.
    Lifecycle
    Title
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