| psc | description |
| ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• | |
| 1610 | Aircraft propellers & components |
| 1615 | Helicopter rotor blades, drive mechanisms and components |
| 1620 | Aircraft landing gear components |
| 1630 | Aircraft wheel & brake systems |
| 1650 | Aircraft hydraulic, vacuum and de-icing system components |
| 1660 | Aircraft air conditioning, heating and pressurizing equipment |
| 1670 | Parachutes; aerial pick-up, delivery, recovery systems & cargo tie down equipment |
| 1680 | Miscellaneous aircraft accessories & components |
