Abstract: A neck protection system for a parachute assembly may comprise a head restraint, a first upper strap coupled to a first side of the head restraint, and a second upper strap coupled to a second, opposing side the head restraint. A first lower strap may be coupled to the first side of the head restraint. A second lower strap may be coupled to the second side of the head restraint. A first pull cord may be coupled to the first upper strap. A second pull cord may be coupled to the second upper strap.

Abstract: An ejection seat may comprise a seat back a seat pan configured to translate along the seat back, and a seat pan adjustment system configured to adjust a positioning of the seat pan. The seat pan adjustment system may comprise a first actuator configured to adjust a position of a first area of the seat pan, a second actuator configured to adjust a position of a second area of the seat pan, and a controller configured to send in-flight actuation commands to the first actuator and the second actuator.

Abstract: A recovery parachute assembly may comprise a container comprising an open base end, a parachute packed within the container, a plurality of riser lines and suspension lines packed within the container and proximate the open base end, a tray including a lip configured to receive the open base end of the parachute container, and a first standoff block coupled to the tray, wherein the first standoff block compresses at least one of the riser lines or suspension lines into the base end of the container and away from the tray, wherein the first standoff block defines a channel between the lip of the tray and the first standoff block, wherein the channel includes a plurality of drain holes formed along a distal edge of the tray.

Abstract: An output device and/or an output device assembly configured to be initiated in response to different types of input. The disclosed output device may be generally configured so as to be able to receive different types of input in order to produce an output. For example, the two different types of input may be mechanical force and fluid pressure, and thus the disclosed output device may be able to receive either form of input and convert either input into the desired/predetermined output.

Abstract: A dual switch arm and mode select system for monitoring an ejection mode selection of an ejection system may include a controller. An ejection mode selector, a first arm switch assembly, a second arm switch assembly, and a display may be in communication with the controller. The controller may determine an ejection mode of the ejection system based on a signal received from the ejection mode selector. The controller may determine a position of the first arm switch assembly and a position of the second arm switch assembly. The controller may command the display to output at least one of a fault-free signal, a fault signal, or a warning signal based on the ejection mode and the positions of the first arm switch assembly and the second arm switch assembly.

Abstract: An ejection seat is disclosed. In various embodiments, the ejection seat includes a seat frame having a seat-back and a seat-pan adapted to support an occupant and a propulsion system configured to propel the ejection seat from an aircraft; and a backstop configured to deploy laterally outward from the seat-back to form a forward-facing surface, the backstop including a net structure and an aerodynamic control mechanism incorporated into the net structure.

Abstract: An ejection seat is disclosed. In various embodiments, the ejection seat includes a seat frame having a seat-back and a seat-pan adapted to support an occupant, the ejection seat further comprising a propulsion system configured to propel the ejection seat from an aircraft; and a backstop configured to deploy laterally outward from the seat-back to form a forward-facing surface, the backstop including a lower support arm and an upper support arm, the lower support arm and the upper support arm configured to telescope upon deployment of the ejection seat.

Abstract: A system for controlling an aircraft in response to deployment of an ejection seat may comprise a seat controller located on the ejection seat and configured to output a signal in response to initiation of an ejection sequence. An aircraft controller may be configured to receive the signal from the seat controller. A tangible, non-transitory memory may be configured to communicate with the aircraft controller.

Abstract: An arm restraint assembly for an ejection seat may comprise a primary arm and a primary arm deployment system operationally coupled to the primary arm. The primary arm deployment system may be configured to rotate the primary arm about a primary arm pivot joint. The primary arm deployment system may be configured to attach to the ejection seat such that the primary arm deployment system translates with the ejection seat.

Abstract: A parachute assembly may comprise a canopy and a plurality of suspension lines coupled to the canopy. Each of the suspension lines may include an elastomeric insert coupled between a first portion of the suspension line and a second portion of the suspension line. At least a portion of the elastomer insert may be located within an internal volume of the suspension line.

Abstract: A system for automatic optimization of an ejection system for an aircraft includes the ejection system having a plurality of adjustable settings. The system further includes an input device configured to receive user input. The system further includes a controller coupled to the ejection system and to the input device and configured to adjust at least one of the plurality of the adjustable settings of the ejection system based on the user input.

Abstract: A neck protection system for a parachute assembly may comprise a head restraint, a first upper strap coupled to a first side of the head restraint, and a second upper strap coupled to a second, opposing side the head restraint. A first lower strap may be coupled to the first side of the head restraint. A second lower strap may be coupled to the second side of the head restraint. A first pull cord may be coupled to the first upper strap. A second pull cord may be coupled to the second upper strap.

Abstract: A system for automatic optimization of an ejection system for an aircraft includes the ejection system having a plurality of adjustable settings and having a plurality of components. The system further includes a connector configured to connect to a component of the plurality of components and having a connector portion that includes information corresponding to a user of the ejection system. The system further includes a controller coupled to the ejection system and configured to adjust at least one of the plurality of the adjustable settings of the ejection system based on the information corresponding to the user of the ejection system.

Abstract: A system for automatic optimization of an ejection system for an aircraft includes the ejection system having a plurality of adjustable settings. The system further includes a sensor configured to detect user data corresponding to a user of the ejection system. The system further includes a controller coupled to the ejection system and to the sensor and configured to adjust at least one of the plurality of the adjustable settings of the ejection system based on the user data detected by the sensor.

Abstract: A system for automatic optimization of an ejection system for an aircraft includes the ejection system having a plurality of adjustable settings. The system further includes a sensor configured to detect weight data corresponding to a weight of a user of the ejection system. The system further includes a controller coupled to the ejection system and to the sensor and configured to adjust at least one of the plurality of the adjustable settings of the ejection system based on the weight data.

Abstract: A multi-staged drogue parachute assembly may include a suspension line having a primary length and a secondary length. The primary length may be deployable upon a first deployment of the multi-staged drogue parachute assembly. The secondary length may be prevented from deployment until the primary length has fully deployed. An attenuator may attach a first portion of the secondary length to a second portion of the secondary length.

Abstract: A leg restraint system for an ejection seat may comprise a leg restraint and a reel assembly coupled to the leg restraint. The reel assembly may include a drum configured to rotate about an axis. The leg restraint may be configured to wind around the drum in response to rotation of the drum about the axis.

Abstract: An ejection seat is disclosed. In various embodiments, the ejection seat includes a seat frame having a seat-back and a seat-pan adapted to support an occupant, the ejection seat further comprising a propulsion system configured to propel the ejection seat from an aircraft; and a backstop configured to deploy laterally outward from the seat-back to form a forward-facing surface, the backstop including a lower support arm and an upper support arm, the lower support arm and the upper support arm configured to telescope upon deployment of the ejection seat.

Abstract: An ejection seat is disclosed. In various embodiments, the ejection seat includes a seat frame having a seat-back and a seat-pan adapted to support an occupant and a propulsion system configured to propel the ejection seat from an aircraft; and a backstop configured to deploy laterally outward from the seat-back to form a forward-facing surface, the backstop including a net structure and an aerodynamic control mechanism incorporated into the net structure.

Abstract: A multi-staged drogue parachute assembly may include a suspension line having a primary length and a secondary length. The primary length may be deployable upon a first deployment of the multi-staged drogue parachute assembly. The secondary length may be prevented from deployment until the primary length has fully deployed. An attenuator may attach a first portion of the secondary length to a second portion of the secondary length.