Yokohama Aerospace America

Yokohama Aerospace America, Inc. (YAA) was established in 2001 as the US subsidiary of The Yokohama Rubber Co., Ltd., and is headquartered in Kent, Washington. YAA handles sales, certification and aftermarket support for aircraft interior products made with Yokohama Rubber's engineering and manufacturing. It works with airlines, MROs and leasing companies on retrofit programs, heavy checks and cabin upgrades.

Products

• Lavatory modules for 737NG, 757 and freighter programs, for line fit and retrofit, in many lavatory positions
• Lavatory retrofit kits and heavy check kits that refresh interiors and replace high wear parts
• Lavatory upgrades: touchless flush switch, foot-operated waste flap, and a smart mirror with LED lighting and an integrated call button
• Lightweight composite potable and waste water tanks for Boeing aircraft except the 787
• Composite panels and interior monuments
• Lavatories with accessibility features for passengers with reduced mobility
• A new generation lavatory for narrow body aircraft, shown at Aircraft Interiors Expo Hamburg 2026

Services

• Retrofit and aircraft modification support, from engineering through certification
• Spare parts stocked at its Kent warehouse, and 24 hour AOG response with a four hour reply target
• Component Maintenance Manuals and technical documentation online
• Fully traceable documentation and installation guidance with each kit

Company facts

• Certified to AS9100 and a holder of FAA PMA approvals, with authority to issue FAA 8130-3 release certificates
• Test capabilities include flammability, smoke density, toxic gas, heat release, DO-160 and MIL-STD-810 environmental tests, and static load tests
• The Yokohama Rubber Company was founded in 1917, and its lavatory module and water tank production began in the 1980s