Senior Aerospace BWT is recognised as a world leader in the design and manufacture of ultra-lightweight low pressure air distribution systems and fuselage insulation systems. Rigid components are available with composite or aluminium constructions offering higher operating parameters and greater resilience to service and maintenance activities. BWT provides systems for fixed wing and rotary wing aircraft across all market sectors for both commercial and military applications. Senior Aerospace BWT's range of flexible and semi rigid ducting provides system solutions, both modular and aircraft specific, which optimise weight, cost, pressure loss, installation time and efficient use of the available space envelope.

Senior Aerospace SSP provides system level solutions for complete aircraft HP ducting systems. Senior Aerospace Bird Bellows and Senior Aerospace Calorstat design and manufacture a significant variety of metallic bellows-sealed flexible joints and ducting for aircraft and aeroengine pneumatic systems. Senior Aerospace Composites has developed material technologies to deliver composites solutions handling high temperature and high pressure environments.