Transonic and Supersonic wind tunnel
| Wind tunnel | Test section Dimensions | Speed | Type |
| Modane - Avrieux | |||
| S1MA | Ø 8 m - 3 carts | up to Mach 1.0 | Continuous - atmospheric sub/transonic 88 MW |
| S2MA |
Transsonic 1.75 x 1.77 m² Supersonic 1.75 x 1.93 m² |
up to Mach 3.1 | Continuous -pressurized sub/trans/ supersonic PTmax ≤ 2.5 bar 55 MW |
| S3MA |
Transsonic 0.76 x 0.68 m² Supersonic 0.76 x 0.80 m² |
0.2 < Mach < 5.5 | Blow-down - pressurized sub/trans/supersonic PTmax ≤ 7 bar |