STC SE03498AT
FAA DRS lists SE03498AT as Current · Reissued, held by Air Plains Services Corporation, for Lycoming Engines IO-540-D4B5. Recorded change: Conversion of Lycoming IO-540-D4B5 to Alamo Aerospace Model IO-540-D4B5-AA that has the same performance ratings and limitations as Lycoming Model IO-540-D4B5. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SE03498AT 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: Lycoming Engines IO-540-D4B5. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related aircraft performance STCs
FAA record reference
- STC number
- SE03498AT
- Product
- Engine
- Country
- United States
- Application date
- May 15, 2007
- Revision date
- August 14, 2018
- CFR references
- Part 13, Part 21