Aerospace and Propulsion
c. "Software" specially designed to control directional-solidification or single-crystal material growth in equipment specified in 9.B.1.a. or 9.B.1.c.;
9D004.dNot used since 2011
9D004.e"Software" specially designed or modified for the operation of items specified in 9.A.12.;
9D004.f"Software" specially designed to design the internal cooling passages of aero gas turbine engine blades, vanes and "tip shrouds";
9D004.g"Software" having all of the following: 1. Specially designed to predict aero thermal, aeromechanical and combustion conditions in aero gas turbine engines; and 2. Theoretical modelling predictions of the aero thermal, aeromechanical and combustion conditions, which have been validated with actual aero gas turbine engine (experimental or production) performance data.
9D004.a2D or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
9D004.b"Software" for testing aero gas turbine engines, assemblies or components, having all of the following: 1. Specially designed for testing any of the following: a. Aero gas turbine engines, assemblies or components, incorporating "technology" specified in 9E003.a., 9E003.h. or 9E003.i.; or b. Multi-stage compressors providing either bypass or core flow, specially designed for aero gas turbine engines incorporating "technology" specified in 9E003.a. or 9E003.h.; and 2. Specially designed for all of the following: a. Acquisition and processing of data, in real time; and b. Feedback control of the test article or test conditions (e.g. temperature, pressure, flow rate) while the test is in progress;
9D004.c"Software" specially designed to control directional solidification or single crystal material growth in equipment specified in 9B001.a. or 9B001.c.;
General Technology Note (GTN)
The export of 'technology' which is 'required' for the 'development', 'production' or 'use' of items controlled in Categories 0 to 9 is controlled according to the provisions in each Category. 'Techno...
General Software Note (GSN)
The Lists do not control 'software' which is either: 1. Generally available to the public by being: a. Sold from stock at retail selling points, without restriction, by means of: (1) Over-the-counter ...
Category 9 - Aerospace and Propulsion
This category covers aerospace vehicles, engines, and related equipment. It includes gas turbine engines (controlled based on thrust-to-weight ratio, specific fuel consumption, inlet temperature), roc...
Catch-All Clause - Article 4 of Regulation (EU) 2021/821
Article 4(1): An authorisation shall be required for the export of dual-use items not listed in Annex I if the exporter has been informed by the competent authority that the items in question are or m...
Cyber-Surveillance Catch-All - Article 5 of Regulation (EU) 2021/821
Article 5(1): An authorisation shall be required for the export of cyber-surveillance items not listed in Annex I if the exporter has been informed by the competent authority that the items in questio...