9A991 Category 9A

“Aircraft,” n.e.s., and gas turbine engines not controlled by 9A001 or 9A101 and “parts” and “components,” n.e.s. (see List of Items Controlled).

Category 9: Aerospace and Propulsion

Reasons for control

• AT: Anti-terrorism
• UN

Country chart

List-based license exceptions

Items

1. Items: a. Military aircraft, demilitarized (not specifically equipped or modified for military operation), as follows:
2. a.1 Cargo aircraft bearing “C” designations and numbered C-45 through C-118 inclusive, C-121 through C-125 inclusive, and C-131, using reciprocating engines only.
3. a.2 Trainer aircraft bearing “T” designations and using reciprocating engines or turboprop engines with less than 600 horsepower (s.h.p.).
4. a.3 Utility aircraft bearing “U” designations and using reciprocating engines only.
5. a.4 All liaison aircraft bearing an “L” designation.
6. a.5 All observation aircraft bearing “O” designations and using reciprocating engines.
7. b. Aircraft n.e.s.;
8. c. Aero gas turbine engines, and “parts” and “components” “specially designed” therefor.
9. d. “Parts” and “components,” “specially designed” for “aircraft,” n.e.s.
10. e. Pressurized aircraft breathing equipment, n.e.s.; and “parts” and “components” “specially designed” therefor, n.e.s.

Related controls

N/A

Notes

Note: 9A991.c does not control aero gas turbine engines that are destined for use in civil “aircraft” and that have been in use in bona fide civil “aircraft” for more than eight years. If they have been in use in bona fide civil “aircraft” for more than eight years, such engines are controlled under 9A991.d.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.