9E993 Category 9E
Other “technology”, not described by 9E003, as follows (see List of Items Controlled).
Category 9: Aerospace and Propulsion
Reasons for control
- AT: Anti-terrorism
Country chart
| Control | Column |
|---|---|
| AT applies to entire entry | AT 1 |
List-based license exceptions
| Exception | As stated in the entry |
|---|---|
| TSR | N/A |
Items
- Items: a. Rotor blade tip clearance control systems employing active compensating casing “technology” limited to a design and development data base; or
- b. Gas bearing for turbine engine rotor assemblies.
Related controls
N/A
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.