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Other aircraft modifications

STC SH1705SO

FAA DRS lists SH1705SO as Current · Reissued, held by Enviro Systems Inc., for Westland Helicopters Westland 30 Series 100. Recorded change: Installation of Freon Air Conditioning System in accordance with Installation Drawing List Report No. DL-30-1, Revision B, dated November 5, 1984 and Manufacturing Drawing List, Report No. DL-30-2, Revision A, dated November 19, 1984, or later FAA approved revisions. Snapshot dated June 30, 2026.

FAA-listed holder
Enviro Systems Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SH1705SO 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: Westland Helicopters Westland 30 Series 100. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Westland Helicopters Westland 30 Series 100H12EU

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