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Aircraft STC directory

Learjet 24D STCs

The Jun 30, 2026 FAA DRS snapshot contains 42 selected supplemental type certificates with status Current whose public applicability data names the Learjet 24D. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

42
listed Current at snapshot
21
holder directories
12
modification categories
Sep 15, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications14
Engine and powerplant8
Avionics6
Cabin and interiors2
Landing gear and brakes2
Cargo and special mission2
Safety and emergency equipment2
Flight controls2
Electrical systems1
Aircraft connectivity1
Fuel systems1
Aircraft performance1

Recorded holders

Avcon Industries Inc5Butler National Corporation5Symetric Industries, DBA Extant Aerospace3The NORDAM Group LLC3Royal Air Inc3Phoenix Air Group Inc.2Ontic Engineering and Manufacturing Inc.2Chippewa Aerospace, Inc.1Peregrine1Med-Pac Inc.1LifePort LLC1Spectrum Aeromed LLC dba Spectrum Aeromed1Associated Air Center, Inc. - c/o CT Corporation System1Paul/ Lanna Egan LLC1Alloy Aerospace Inc1Flight Test Aerospace, Inc1ELDEC Corporation1Global Aviation Technologies1Parker Hannifin - Fluid Systems Division1West Star Aviation1

Recently revised 24D STCs

Showing the 42 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA232NWFlight controls

Installation of the Mark II performance system, including recontoured wind leading edge, recontoured flap leading edge, wind vortex generator removal, installation of wing stall strips and other minor refinements in accordance with Avcon Master Drawing List No. 1082 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing List No. 1082 dated November 16, 2010, or later FAA approved revision. An FAA approved airplane flight manual supplement is required for each model.

FAA holder: Avcon Industries Inc

View record
SA841NWFlight controls

Installation of the Mark II performance system, including recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements in accordance with Avcon Master Drawing List No. 1085 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing No. 1085 dated November 16, 2010, or later FAA approved revision. An FAA approved Airplane Flight Manual Supplement is required for each model.

FAA holder: Avcon Industries Inc

View record