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Other aircraft modifications

STC ST04244CH

FAA DRS lists ST04244CH as Current · Issued, held by Preferred Improvements LLC, for Boeing DC3A-S1C3G, Boeing DC3A-SC3G, and Boeing DC3C-R-1830-90C, and 1 more aircraft configuration. Recorded change: Installation and Activation of a Saab Grintek Defense Impi II Asset Tracking System. Snapshot dated June 30, 2026.

FAA-listed holder
Preferred Improvements LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

ST04244CH 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 DC3A-S1C3G, Boeing DC3A-SC3G, and Boeing DC3C-R-1830-90C, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC3A-S1C3GA-669Boeing DC3A-SC3GA-669Boeing DC3C-R-1830-90CA-669Boeing DC3C-S4C4GA-669

Buyer checks

Confirm before sourcing

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