Increase in gross weight to 12,500 pounds.
FAA holder: Snow Goose Aviation LLC
FAA STC category
Aircraft performance STCs
Gross-weight, operating-limit, flight-envelope, and performance-related changes. This directory contains 217 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Showing 1–120 of 217Page 1 of 2
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Increase of gross weight by 100 lbs.
FAA holder: D'Shannon Products, Ltd
Incorporation of IBF HOGE Performance with Extra EPC Margin.
FAA holder: Airbus Helicopters Inc.
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Increase gross weight from 3,000 lbs. to 3,800 lbs.
FAA holder: Helio Alaska Inc.
Increase normal category maximum gross weight from 2300 to 2400 lbs. and increase utility category maximum grow weight from 2000 to 2100 lbs. per Installation Instructions, STC SA1945CE, Gross Weight Increase for the C172N with an FAA approval date of January 3, 1989, or later.
FAA holder: Power Flow Systems Inc.
Increase in maximum gross weight from 3,000 lbs. to 3,300 lbs.
FAA holder: Helio Alaska Inc.
Increase in maximum gross weight from 3,400 lbs. to 3,800 lbs.
FAA holder: Helio Alaska Inc.
Operating Weight Increase.
FAA holder: Metrea Special Aerospace ISR Inc.
Takeoff Configuration Switch Installation Modification.
FAA holder: American Airlines Inc
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Maximum Gross Weight Increase to 8367 lbs.
FAA holder: Rust's Flying Service Inc
Installation of an air conditioning fan monitors to monitor fan bearing performance.
FAA holder: Astronics Advanced Electronic Systems (AES)
Increase the maximum takeoff weight to 12,5000 lb.
FAA holder: IKHANA Group Inc.
Installation of a BLR Aerospace Ultimate Performance Package (UPP).
FAA holder: BLR Aerospace LLC.
Installation of Environmental Control System Performance Improvement Modification.
FAA holder: Cascade Aerospace Inc.
Installation of an increased landing weight modification.
FAA holder: Kenmore Air Harbor Inc
Installation of Honeywell MKV EGPWS with Landing Performance Enhancement (LPE) functionality.
FAA holder: Honeywell International Inc
Installation of provisions for Sperry Performance Management System.
FAA holder: Honeywell International Inc
Installation of a Performance Management System with Windshear Detection/Alerting System.
FAA holder: Honeywell International Inc
Installation of Performance Management System.
FAA holder: Honeywell International Inc
Installation of a Performance Management System. (727-200 SERIES AIR CANADA CONFIGURATIONS).
FAA holder: Honeywell International Inc
Installation of a Performance Management System.
FAA holder: Honeywell International Inc
Optional takeoff gross weight increase.
FAA holder: New Flight Corporation
Optional takeoff gross weight increase.
FAA holder: New Flight Corporation
Increase Maximum Gross weight to 4011 pounds for Normal Category operations.
FAA holder: General Aviation Modifications Inc.
Installation instructions for Gross Weight Increase.
FAA holder: Air Plains Services Corporation
Installation of upgraded hardware to replace Rockwell Collins Pro Line 4 displays with Rockwell Collins Pro Line 21 displays, add an Integrated Flight Information System (IFIS), and enable localizer performance with vertical guidance (LPV) capability.
FAA holder: Dassault Aircraft Services
Installation of upgraded hardware to replace Rockwell Collins Pro Line 4 displays with Rockwell Collins Pro Line 21 displays, add an Integrated Flight Information System (IFIS), and enable localizer performance with vertical guidance (LPV) capability.
FAA holder: Dassault Aircraft Services
Increase of Out of Ground Effect (OGE) Hover Performance.
FAA holder: Carson Helicopters Inc
Modification to increase gross weight to 3,190 lbs of landplane, or seaplane.
FAA holder: Kenmore Air Harbor LLC
Update of Delta Engineering Synchro's and Sagem ED36 FDAU with APM (Aircraft Performance Monitor).
FAA holder: Delta Engineering Corporation
Increase in Takeoff and Landing Maximum Gross Weight to 1,310 lbs.
FAA holder: Wilson R. Lowry
Installation of Fairchild Stan(R) Weight and balance system.
FAA holder: Aviation Technical Services
Increased Maximum Take-Off Weight to 70,000 kg.
FAA holder: Aviation Technical Services
System includes vortex generators, winglets, and gross weight increase.
FAA holder: BLR Aerospace LLC.
Installation of the Super Chieftain II landing weight increase kit.
FAA holder: BLR Aerospace LLC.
Increase Maximum Take-Off Weight from 3050 to 3300 pounds.
FAA holder: D'Shannon Products Ltd.
Increased Category A Performance for the Sikorsky S-61L, S-61N and S-61NM Helicopters.
FAA holder: Carson Helicopters, Inc
Gross weight increase for use with floats to be accomplished.
FAA holder: Acorn Welding Ltd.
Installation of Mach Airspeed Warning Switch.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Increased ramp and takeoff weights for restricted category operation.
FAA holder: Sierra Industries Inc
Increase in aircraft gross weight to 3,265 pounds.
FAA holder: Erik van Veenen
Increases the maximum gross weight by 400 lbs.
FAA holder: Textron Aviation Inc
Increase the maximum certified weight to 2880 lbs.
FAA holder: Rare Aircraft Ltd
Installation of a segregated weight on wheels system.
FAA holder: Textron Aviation Inc
Installation of Aeromech 8047 Standby Altimeter and Aeromech 8059 airspeed indicator.
FAA holder: Textron Aviation Inc
Establishment of procedures and performance data for operations on unpaved runways.
FAA holder: Sierra Nevada Corporation
Certification of Sabreliner Model NA-265-80 to Stage 3 Noise Levels Utilizing Reduced Landing Weight.
FAA holder: Flight Test Aerospace, Inc
To install a Takeoff Warning Test Switch.
FAA holder: American Airlines Inc
Increase maximum ramp weight to 11,050 lbs.
FAA holder: Clearwater Air Inc
Incorporate maximum permissible quick turn-around landing weight (flaps 35º).
FAA holder: ABX Air Incorporated
Gross weight increase from 5500 pounds to 5700 pounds.
FAA holder: Aerostar Aircraft Corporation
Installation of the dual IDC Series 35900 mach/airspeed indicator system.
FAA holder: ABX Air Incorporated
Installation of Kollsman P/N 35900-A2284 Mach airspeed indicator.
FAA holder: ABX Air Incorporated
Installation of dual Kollsman575-35900-A1778 mach/airspeed indicator.
FAA holder: ABX Air Incorporated
Reduced Maximum Gross Take-off Weight (MGTOW) and Reduced Maximum Ramp Weight (MRW).
FAA holder: Trolltune Corporation
Installation of IDC Standby Airspeed and Standby Altimeter.
FAA holder: M7 Aerospace LLC
Installation of two Lycoming TIO-540-A2B turbocharged engines and two Hartzell HC-E3YR-2/C8468-6R propellers; or installation of Lycoming TIO-540-J2BD or N2BD and LTIO-540-J2BD or N2BD engines with Hartzell HC-E3RY-2F/FC8468-6R or -8R and HC-E3YR-2LF/FJC8468-6R or -8R propellers and gross weight.
FAA holder: Javelin Conversions Inc.
Increase in maximum gross weight to 8367 lbs.
FAA holder: Stolairus Aviation Inc
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Increase of Out of Ground Effect (OGE) Hover Performance.
FAA holder: Carson Helicopters Inc
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Increase of maximum gross weight from 3600/3650 lb. to 4010 lb. for normal category operation.
FAA holder: D'Shannon Products Ltd.
Gross weight increased to 6530 pounds.
FAA holder: Mike Jones Aircraft Sales Inc.
Improved Hover Performance with Above Minimum Specification Power Kit.
FAA holder: Bell Helicopter Textron Inc.
Installation of Delco Performance Management System.
FAA holder: Boeing Company
Gross weight increase kit manufactured and installed.
FAA holder: AeroAcoustics Aircraft Systems Inc.
Improved Hover Performance with Above Minimum Specification Power Kit.
FAA holder: Aeronautical Accessories
Increase of maximum gross weight.
FAA holder: Olivia Flying Service Inc.
Installation of AeroAcoustics Aircraft Systems (AASI) Payload Extender XL gross weight increase system.
FAA holder: AeroAcoustics Aircraft Systems Inc.
Harbour Air 9000 Lbs Maximum Gross Weight Modification to be installed.
FAA holder: Harbour Air Ltd.
Replace first class seats with lighter weight business class seats.
FAA holder: Lakeville Aerospace LLC