SA5783NMOther aircraft modifications
Fabrication of Onboard Systems Model 7 CROPHAWK spray flow measuring system.
FAA holder: Onboard Systems International
Aircraft STC directory
Polskie Zaklady Lotnieze Spolka zoo PZL M18 STCs
The Jun 30, 2026 FAA DRS snapshot contains 9 selected supplemental type certificates with status Current whose public applicability data names the Polskie Zaklady Lotnieze Spolka zoo PZL M18. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
9
listed Current at snapshot
3
holder directories
5
modification categories
Oct 7, 2021
latest recorded revision
Modification demand surface
Other aircraft modifications3
Engine and powerplant3
Landing gear and brakes1
Flight controls1
Aircraft performance1
Recently revised PZL M18 STCs
Showing the 9 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01323CHOther aircraft modifications
Installation of a ground single point fueling system.
FAA holder: Turbine Conversions Ltd
ST03554CHOther aircraft modifications
Installation of Rotary Gatekeeper and provisions equipment.
FAA holder: Turbine Conversions Ltd
SA5154NMEngine and powerplant
Installation of a Lycoming T53-L7 turbine engine equipped with a Hamilton Standard 53C51 propeller.
FAA holder: Mr. Andrew Donohue
SA5155NMLanding gear and brakes
Installation of a Cleveland wheel and brake assembly.
FAA holder: Mr. Andrew Donohue
SA01361SEEngine and powerplant
Installation of a Honeywell TPE331-10, -10U, -10UF, -10UG, -10UGR, -10UR engine in combination with Hartzell Propeller Model HC-B4TN-5NL/LT10890N, or HC-B4TN-5PL/LT10890N, or Honeywell TPE331-11U or -11UA engine in combination with a Hartzell HC-B5MP-5BL/LM11692N propeller.
FAA holder: Turbine Dromaders LLC
SA09063SCFlight controls
Installation of geared tabs on ailerons, elevator, and vertical tail.
FAA holder: Turbine Installation LLC
SA01276ATAircraft performance
Increase in the Maximum Take off Gross Weight from 9260 lbs. To 11700 lbs.
FAA holder: Dromader USA LLC
SA09039SCEngine and powerplant
Installation of the AlliedSignal TPE331-10U engine with the Hartzell Model HC-B4TN-5NL/LT10890N propeller, or the installation of the AlliedSignal TPE331-10UA engine with either the Hartzell Model HC-B3TN-5/T10282 or HC-B3TN-5U/T10290N propeller; or the installation of either the AlliedSignal TPE331-11U-612G or TPE331-12UA-701G engine with the Hartzell Model HC-B5MP-5BL/LM11692N propeller.
FAA holder: Delta Turbines Inc.