Abstract: An adjustable height fastener may have a fixed load-bearing member connectable to a fixed structure and an adjustable load-bearing member connectable to the fixed load-bearing member at different locations along a first axis. An adjustment locking member is connectable to both the fixed load-bearing member and the adjustable load-bearing member to fix the fixed load-bearing member and the adjustable load-bearing member in a first location along the first axis.

Abstract: A child restraint system may provide a seat and restraint system for a child in an aircraft lavatory. The child restraint system may be configured to be installed on an existing wall such as a wall of an aircraft lavatory or be manufactured as part of an aircraft lavatory. The child restraint system may be a rigid structure comprising a seat back, a seat bottom, a first seat side, a second seat side, and a harness. The child restraint system may be a flexible or fabric structure. The child restraint system may comprise a seat, a first strap, and a second strap.

Abstract: A child restraint system may provide a seat and restraint system for a child in an aircraft lavatory. The child restraint system may be configured to be installed on an existing wall such as a wall of an aircraft lavatory or be manufactured as part of an aircraft lavatory. The child restraint system may be a rigid structure comprising a seat back, a seat bottom, a first seat side, a second seat side, and a harness. The child restraint system may be a flexible or fabric structure. The child restraint system may comprise a seat, a first strap, and a second strap.

Abstract: A system is disclosed herein, including a cushion including a plurality of tactors and a plurality of air bladders disposed adjacent the plurality of tactors, a pump assembly operably connected to the plurality of bladders, a processor, and a memory operatively coupled to the processor. The memory includes instructions stored thereon that, when executed by the processor, cause the processor to determine an inflation sequence for the plurality of air bladders, determine a deflation sequence for the plurality of air bladders, output commands to the pump assembly corresponding to the inflation sequence and the deflation sequence, and output vibrate commands to the plurality of tactors.

Abstract: An endurance haptic system is disclosed herein. The endurance haptic system includes a plurality of tactors, a plurality of air bladders, a tactor driver operably coupled to the plurality of tactors and configured to send vibration commands to the plurality of tactors in response to a first signal received from an aircraft controller, and an air bladder driver operably coupled to the plurality of air bladders and configured to inflate and deflate the plurality of air bladders in response to a second signal received from the aircraft controller.

Abstract: A vibrotactile system for an aircraft may comprise a plurality of tactors and a tactor driver operably coupled to the plurality of tactors. The tactor driver may be configured to determine a vibration sequence for the plurality of tactors in response to a signal received from an aircraft controller, and to send vibration commands corresponding to the vibration sequence to the plurality of tactors.

Abstract: A system is disclosed herein, including a cushion including a plurality of tactors and a plurality of air bladders disposed adjacent the plurality of tactors, a pump assembly operably connected to the plurality of bladders, a processor, and a memory operatively coupled to the processor. The memory includes instructions stored thereon that, when executed by the processor, cause the processor to determine an inflation sequence for the plurality of air bladders, determine a deflation sequence for the plurality of air bladders, output commands to the pump assembly corresponding to the inflation sequence and the deflation sequence, and output vibrate commands to the plurality of tactors.

Abstract: An adjustable height fastener may have a fixed load-bearing member connectable to a fixed structure and an adjustable load-bearing member connectable to the fixed load-bearing member at different locations along a first axis. An adjustment locking member is connectable to both the fixed load-bearing member and the adjustable load-bearing member to fix the fixed load-bearing member and the adjustable load-bearing member in a first location along the first axis.

Abstract: An ejection system may comprise an ejection seat and a smart deployment system configured to initiate a deployment of the ejection seat. The smart deployment system may comprise a pilot health monitoring system including a plurality of sensors configured to detect a plurality of physiological conditions, and a controller configured to make ejection system decisions based on a pilot health signal received from the pilot health monitoring system and an aircraft health signal output from an aircraft health monitoring system.

Abstract: An endurance haptic system is disclosed herein. The endurance haptic system includes a plurality of tactors, a plurality of air bladders, a tactor driver operably coupled to the plurality of tactors and configured to send vibration commands to the plurality of tactors in response to a first signal received from an aircraft controller, and an air bladder driver operably coupled to the plurality of air bladders and configured to inflate and deflate the plurality of air bladders in response to a second signal received from the aircraft controller.

Abstract: A system is disclosed herein, including a cushion including a plurality of tactors and a plurality of air bladders disposed adjacent the plurality of tactors, a pump assembly operably connected to the plurality of bladders, a processor, and a memory operatively coupled to the processor. The memory includes instructions stored thereon that, when executed by the processor, cause the processor to determine an inflation sequence for the plurality of air bladders, determine a deflation sequence for the plurality of air bladders, output commands to the pump assembly corresponding to the inflation sequence and the deflation sequence, and output vibrate commands to the plurality of tactors.

Abstract: A method may include receiving, via a processor, an ejection initiation signal indicating an ejection event for an ejection seat of an aircraft has been initiated; commanding, via the processor, a retraction mechanism to retract a cuff assembly towards a seat back of the ejection seat in response to the ejection initiation signal; and commanding, via the processor, a guillotine to sever a cord coupled to the cuff assembly.

Abstract: A vibrotactile system for an aircraft may comprise a plurality of tactors and a tactor driver operably coupled to the plurality of tactors. The tactor driver may be configured to determine a vibration sequence for the plurality of tactors in response to a signal received from an aircraft controller, and to send vibration commands corresponding to the vibration sequence to the plurality of tactors.

Abstract: A cushion length adjusting system for use in an ejection seat of an aircraft may include a seat pan and first cushion length adjuster coupled to the seat pan. The cushion length adjuster may be hingedly or slidingly coupled to the seat pan. The cushion length adjuster may be configured to adjust a leg support length for greater ergonomics for a pilot of an aircraft.

Abstract: A drogue bridle attachment assembly may comprise a housing, a lock pin, jackscrew gear pin, and a drive gear pin. The housing may define a bridle opening. The lock pin may be configured to translate into the bridle opening. The jackscrew gear pin may include a threaded portion and a gear portion. The threaded portion may engage a threaded opening in the lock pin. The drive gear pin may include a drive gear portion intermeshed with the gear portion of the jackscrew gear pin.

Abstract: A lumbar support system for use in an ejection seat of an aircraft, comprising may comprise a pump; a plurality of bladders fluidly coupled to the pump; and a controller electrically coupled to the pump, the controller operable to: select a bladder in the plurality of bladders to fluidly isolate the bladder from a remainder of bladders in the plurality of bladders; and command the pump to inflate the bladder.

Abstract: A lateral support system for use in an ejection seat of an aircraft may comprise a pump; a first side bladder fluidly coupled to the pump; a second side bladder fluidly coupled to the pump, the second side bladder configured to be disposed opposite the first side bladder. The first side bladder and the second side bladder may be coupled to a seat pan pad or a seat back pad. The lateral support system may further include a third side bladder and a fourth side bladder coupled to a seat pan pad, and the first side bladder and the second side bladder may be coupled to a seat back pad.

Abstract: A method may comprise: receiving, via a processor, an ejection initiation signal indicating an ejection event for an ejection seat of an aircraft has been initiated; commanding, via the processor, a retraction mechanism to retract a cuff assembly towards a seat back of the ejection seat in response to the ejection initiation signal; and commanding, via the processor, a guillotine to sever a cord coupled to the cuff assembly.

Abstract: An ejection system may comprise an ejection seat and a smart deployment system configured to initiate a deployment of the ejection seat. The smart deployment system may comprise a pilot health monitoring system including a plurality of sensors configured to detect a plurality of physiological conditions, and a controller configured to make ejection system decisions based on a pilot health signal received from the pilot health monitoring system and an aircraft health signal output from an aircraft health monitoring system.

Abstract: A drogue bridle attachment assembly may comprise a housing, a lock pin, jackscrew gear pin, and a drive gear pin. The housing may define a bridle opening. The lock pin may be configured to translate into the bridle opening. The jackscrew gear pin may include a threaded portion and a gear portion. The threaded portion may engage a threaded opening in the lock pin. The drive gear pin may include a drive gear portion intermeshed with the gear portion of the jackscrew gear pin.