Teledyne Electronic Safety Products is an approved manufacturer. This unit is activated by gas from the seat catapult and fires the drogue gun, drogue severance cutter, divergence rocket, stapac assembly, main parachute and harness release. The ACES II seat is used in the F-15, F-16, F-22, F-17, B-1, B-2 and A-10 aircraft. TESP has delivered in excess of 1000 sequencers.

Test and Maintenance
TESP offers a package of test equipment and training which enables users of the ACES II seat to establish their own organic capability to perform test and scheduled maintenance of the sequencers. The establishment of this capability reduces support costs and increases aircraft availability.