SE51WEOther aircraft modifications
Installation of two (2) Roto-Master (Rajay) P/N 600573-00 (RJ0326, RJ0326-1) or 600576-00 (RJ0326-2) (or any combination thereof) Turbochargers.
FAA holder: TALCO Aviation
Aircraft STC directory
Textron Lycoming AVCO IO-720-A1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Textron Lycoming AVCO IO-720-A1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
3
holder directories
3
modification categories
Aug 31, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications2
Fuel systems2
Engine and powerplant1
Recently revised IO-720-A1B STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE02436ATFuel systems
Installation of 200F series fuel pump assembly.
FAA holder: Kelly Aerospace Energy Systems LLC
SE02555ATEngine and powerplant
Consolidated Fuel Systems 201F series fuel pump assembly on various Textron Lycoming engine models.
FAA holder: Kelly Aerospace Energy Systems LLC
SE01930NY (2 OF 2)Other aircraft modifications
Installation of Casper Labs 90 degree oil filter housing adapter.
FAA holder: Casper Labs Inc