STC SA00622LA

FAA DRS lists SA00622LA as Current · Reissued, held by Horizon Instruments Inc, for Air Tractor AT-401B, Air Tractor AT-501, and Air Tractor AT-401A, and 18 more aircraft configurations. Recorded change: Installation of an electronic digital engine tachometer horizon model P-1000. Snapshot dated June 30, 2026.

FAA-listed holder

Horizon Instruments Inc

Aircraft configurations

FAA revision date

January 14, 2002

FAA status

Current · Reissued

Recorded modification

What the FAA record covers

SA00622LA 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: Air Tractor AT-401B, Air Tractor AT-501, and Air Tractor AT-401A, and 18 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-401BA17SW Air Tractor AT-501A17SW Air Tractor AT-401AA17SW Air Tractor AT-401A17SW Air Tractor AT-250A9SW Air Tractor AT-300A9SW Air Tractor AT-301A9SW

Ayres 600-S2C2A7

Ayres S-2C2A7

Ayres S-2B2A7

Ayres S2R-R1340A3SW Ayres S2R-R3SA3SW Ayres S2RA3SW Ayres 600 S-2DA3SW

Ayres 600 S2DA4SW

Ayres S2R-R1820A4SW

Weatherly Aviation 620A26WE

Allied Ag Cat Productions G-1641A16 Allied Ag Cat Productions G-164A1A16 Allied Ag Cat Productions G-164B1A16 Allied Ag Cat Productions G-164C1A16

SA01295LAEngine and powerplantRevised Jul 23, 2003

Installation of modified Pratt & Whitney R-1340 engine. This mod must be done concurrently with STC SE01200LA which modifies R-1340 engine.

FAA holder: Aircraft Cylinder & Turbine Inc.

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SA232SOEngine and powerplantRevised Jul 23, 2003

Change Aeronca Model 7AC powerplant from Teledyne Continental Motors (TCM) model C65-8 to TCM model C85-12 or C85-12F or change Aeronca model 7BCM from TCM model C85-8 series engine to the C85-12 or C85-12F in accordance with Star Aircraft Company Instruction S.A. 301 and Report No. 300R. Either modification can use the Sensenich model 72GK propeller with pitch settings from 44 through 50 inches. The Notes Section of Type Certificate Data Sheet, P-170, has information concerning required plates, flange adapters, etc.

FAA holder: Lasher Charles David

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SA02686ATEngine and powerplantRevised Jul 21, 2003

Installation of air intake louvers on the rear engine lower cowl in accordance with Aviation Enterprises Installation Instructions, dated June 15, 2003, or later FAA approved revision.

FAA holder: Aviation Enterprises

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ST01700NY (1 OF 2)Engine and powerplantRevised Jul 8, 2003

Installation of the following Aerospace Logic aircraft instruments: EGT-100 Exhaust Gas Temperature Indicator, CHT-100 Cylnder Head Temperature INdicator, FL-100 Dual Fuel Level Indicator, FP-100 Fuel Pressure and Ammeter Indicator, OL-100 Oil Pressure and Temperature Indicator, and VA-100 Voltmeter and Ammeter Indicator.

FAA holder: Aerospace Logic Inc.

View record

FAA record reference

STC number: SA00622LA
Product: Aircraft · Single-Engine
Country: United States
Application date: Not listed
Revision date: January 14, 2002
CFR references: Part 21

What the FAA record covers

Aircraft named in FAA DRS

Related engine and powerplant STCs

Installation of modified Pratt & Whitney R-1340 engine. This mod must be done concurrently with STC SE01200LA which modifies R-1340 engine.

Installation of air intake louvers on the rear engine lower cowl in accordance with Aviation Enterprises Installation Instructions, dated June 15, 2003, or later FAA approved revision.

FAA record reference