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Aircraft structures

STC SA4735NM

FAA DRS lists SA4735NM as Current · Reissued, held by R-S Sales Inc., for Air Tractor AT-401, Air Tractor AT-501, and Air Tractor AT-502, and 4 more aircraft configurations. Recorded change: Installation of automatic flagman Model 4 dispensor system on the upper surface of the right wing root. Snapshot dated June 30, 2026.

FAA-listed holder
R-S Sales Inc.
Aircraft configurations
7
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA4735NM 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-401, Air Tractor AT-501, and Air Tractor AT-502, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-401A17SWAir Tractor AT-501A17SWAir Tractor AT-502A17SWAir Tractor AT-503A17SWAir Tractor AT-503AA17SWAir Tractor AT-402AA17SWAir Tractor AT-402A17SW

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Related aircraft structures STCs

ST01625LAAircraft structures

Modification of Wing Inboard and Outboard Aft Trailing Edge Flaps in accordance with FAA Approved AeroTech Services, Inc. Master Drawing List No. 52-0001, Revision C, dated May 20, 2003, or later FAA Approved Revisions. (for Model 737-200, -200C and -300 Series airplanes), and FAA Approved AeroTech Services, Inc. Master Drawing List No. 52-0001, Revision E, dated January 6, 2005, or later FAA Approved Revisions. (for Model 737-400 and 500 Series airplanes.).

FAA holder: AVMOD, LLC

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