What We Do
NACES NXG
Next generation escape performance for the Navy Aircrew Common Ejection Seat
NACES NXG
Introducing 5th generation escape capabilities to NACES
NACES has saved 150 lives to date
Successfully delivered over 3,000 NACES seats
The US14A Navy Aircrew Common Ejection Seat (NACES), originally developed in the mid 1980’s, is being upgraded into the NACES Next Generation (NACES NXG) configuration for the F/A-18 and T-45 replacement aircraft – Undergraduate Jet Training System (UJTS). The NXG improvements will ensure the NACES Seat will meet the very latest physiological injury requirements long into the future for US Navy Next Generation Air Dominance (NGAD)
Aircraft fitted: F-18, T-45
| Operating ceiling | 50,000ft (15,250m) |
| Minimum height/speed | Zero-zero in near level attitude |
| Aircrew accommodation range | CEASAR cases 1-6 |
| Maximum speed for ejection | 600 KEAS |
| Parachute type | IGQ 6000 |
| Neck Protection | Yes, Neck Protection Device (NPD) fitted |
| Harness type | Gen 5 Integrated harness with Head Support Panel (HSP) |
| Ejection gun | Single tube ejection gun/catapult |
| Automatic back-up unit | Yes |
| Electronic Sequencer | Yes |
| Seat Adjustment | Yes |
| Arm restraints | Yes, active Type II |
| Leg restraints | Yes, passive system |
| Oxygen supply | Enhanced Emergency Oxygen Supply (EEOS) + connection to main On Board Oxygen Generation System (OBOGS) |
| Seat Survival Kit | Yes, with automatic deployment and liferaft inflation |
| Aircrew services | Yes, connection to main oxygen supply, mic/tel, anti-g and interface to helmet |
| Canopy jettison | Yes |
| Canopy severance | Yes |
| Inter-seat Sequencing System (ISS) | Yes |
| Auto eject system | No |
