9DSoftware

9D Software

9D001 “Software”, not specified in 9D003 or 9D004, specially designed or modified for the “development” of equipment or “technology”, specified by 9A001 to 9A121, 9B or 9E003.

9D002 “Software”, not specified in 9D003 or 9D004, specially designed or modified for the “production” of equipment specified by 9A001 to 9A121 or 9B.

9D003 “Software” incorporating “technology” specified by 9E003.h. and used in “FADEC systems” for systems specified by 9A or equipment specified by 9B.

9D004 Other “software” as follows:

a. 2D or 3D viscous “software”, validated with wind tunnel or flight test data required for detailed engine flow modelling;

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 by 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 by 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;

Note:  9D004.b. does not specify software for operation of the test facility or operator safety (e.g., overspeed shutdown, fire detection and suppression), or production, repair or maintenance acceptance testing limited to determining if the item has been properly assembled or repaired.

c. “Software” specially designed to control directional‑solidification or single‑crystal material growth in equipment specified by 9B001.a. or 9B001.c.;

e. “Software” specially designed or modified for the operation of items specified by 9A012;

f. “Software” specially designed to design the internal cooling passages of aero gas turbine blades, vans and “tip shrouds”;

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.

9D005 “Software” specially designed or modified for the operation of items specified by 9A004.e. or 9A004.f.