STC SH3301SO
FAA DRS lists SH3301SO as Current · Reissued, held by Enviro Systems Inc., for MD Helicopter 369E and MD Helicopter 500N. Recorded change: Installation of a Freon Air Conditioning System in accordance with Aero Aire Corporation Master Drawing List No. 500R010, Rev. 2, dated 5/26/1992, or later FAA approved revision. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Freon Air Conditioning System in accordance with Aero Aire Corporation Master Drawing List No. 500R010, Rev. 2, dated 5/26/1992, or later FAA approved revision.
SH3301SO identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: MD Helicopter 369E and MD Helicopter 500N. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact MD Helicopter 369E and MD Helicopter 500N model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
Installation of Hoskins MK V B Anti-Collision Light System in accordance with FAA Sealed Hoskins Top Drawing No. 10-0051.1 This Anti-Collision Light System meets the requirements of FAR 25.1397, 25.1401 (b) (c) and (f), (400 effective candles minimum) effective August 11, 1971. Hoskins Inc., FAA approved AFM supplement Dated June 06, 1972, is required with this modification.
FAA holder: BF Goodrich Aerospace
Installation of Hoskins Model 700801Anti-Collision Light in accordance with FAA sealed Master Eligibility List No. SA2543WE. While the requirements of FAR 23.1401(a), (c), (d), (e) and (f) are met by this installation, the requirements of FAR 23.1401(b) are not met. Since the aircraft was type certificated under airworthiness regulations that contained no Anti-Collision Light Standards for intensity and field of coverage, this installation is accepted. Hoskins FAA approved AFM Supplement (see MEL SA2543WE) is required with this modification.
FAA holder: BF Goodrich Aerospace
A Hoskins Model MK III (Twilighter) Anti-Collision Lighting System is installed in accordance with Hoskins Top Drawing 10-0043-1, Revision I as amended on December 21, 1972, or later FAA approved revision. The Anti-Collision Lighting System has been found to meet the Anti-Collision Light Standards of FAR 25.1401 in effect prior to August 11, 1971. Hoskins FAA Approved AFM supplement date December 6, 1972 is required with this modification.
FAA holder: BF Goodrich Aerospace
Installation of Hoskins (Pulstar TM) combined Position Anti-Collision Lighting System in accordance with FAA Sealed Hoskins Top Drawings No. 10-202186 or No. 10-202186-1. These Anti-Collision Lighting Systems have been found to meet the Anti-Collision Light Standards of FAR 23.1401, in effect of August 11, 1972. Hoskins FAA Approved AFM supplement dated December 27, 1972 or later FAA Approved Revision is required with this modification.
FAA holder: BF Goodrich Aerospace