STC ST01823CH

FAA DRS lists ST01823CH as Current · Issued, held by Smiths Aerospace LLC, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Recorded change: Installation of Smiths Aerospace WL202EED6 exhaust gas temperature indicator, through modification of a Smiths Aerospace WL202EED4 exhaust gas temperature indicator. Snapshot dated June 30, 2026.

FAA-listed holder

Smiths Aerospace LLC

Aircraft configurations

FAA revision date

May 27, 2003

FAA status

Current · Issued

Recorded modification

What the FAA record covers

ST01823CH 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: Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WE Boeing 737-400 SeriesA16WE Boeing 737-500 SeriesA16WE

Buyer checks

Confirm before sourcing

SA4NEEngine and powerplantRevised Sep 30, 2004

Installation of the Hartzell HC-E2YR-1BLF/FL7666A-2 or HC-E2YK-1BL/L7666A-2 Extended Hub Propeller on aircraft equipped with Lycoming IO-360-A1B6 engine in accordance with Aerofab, Inc. Drawing No. 160013L (Rev.E) dated December 23, 1980.

FAA holder: Revo Inc

View record

SA631CEEngine and powerplantRevised Sep 30, 2004

Install Lycoming IO-360-A1B engine, Hartzell HC-C2YK-1BL/L7666A-2 propeller and remove wing fillets. Data Required: Lake 4 Sales Engineering Report 62568, Rev. 9/9/68, Drawings L-0254 Rev. 3, E.O. 2-1165A, L-0255, L-2075, L-2076, L-2077, 2-5200 Rev. D, 2-6000 Rev. H, 2-7752, 2-7757 Rev. B, copy of this certificate and AFMS dated March 14, 1969.

FAA holder: Revo Inc

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SA7NEEngine and powerplantRevised Sep 30, 2004

Installation of the 3-bladed Hartzell HC-C3YR-1 RLF/FL 7663-8R propeller on aircraft equipped with Lycoming IO-360-A1B6 engine and Hartzell hydraulic governor Model F-2 in accordance with Aerofab Inc. Drawing No. 160015, dated March 11, 1974.

FAA holder: Revo Inc

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SA822EAEngine and powerplantRevised Sep 30, 2004

Eligible for increase in gross weight to 2600 lb. with 200 h.p. engine installed per STC SA631CE. Aerofab, Inc. Supplement No. 4, approved May 26, 1970, to Lake LA-4 Flight Manual, is required.

FAA holder: Revo Inc

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What the FAA record covers

Aircraft named in FAA DRS

Confirm before sourcing

Related engine and powerplant STCs

Installation of the Hartzell HC-E2YR-1BLF/FL7666A-2 or HC-E2YK-1BL/L7666A-2 Extended Hub Propeller on aircraft equipped with Lycoming IO-360-A1B6 engine in accordance with Aerofab, Inc. Drawing No. 160013L (Rev.E) dated December 23, 1980.

Installation of the 3-bladed Hartzell HC-C3YR-1 RLF/FL 7663-8R propeller on aircraft equipped with Lycoming IO-360-A1B6 engine and Hartzell hydraulic governor Model F-2 in accordance with Aerofab Inc. Drawing No. 160015, dated March 11, 1974.

Eligible for increase in gross weight to 2600 lb. with 200 h.p. engine installed per STC SA631CE. Aerofab, Inc. Supplement No. 4, approved May 26, 1970, to Lake LA-4 Flight Manual, is required.