QRB

The Martin-Baker Quick Release Box (QRB) is demonstrably easier to use for aircrew, has easier maintenance for the engineers and a reduced cost of ownership. Having listened to aircrew from around the world, the Martin-Baker QRB has the following features:

• Can be operated by either hand when strapping in or releasing
• Maintenance cycle up to 3 years
• Only a nut and washer need to be replaced during maintenance
• No special tools required
• Easily upgradable on all MB seats that have older/earlier QRBs

Three versions of the mechanical unit exist

• QRB with arm restraints
• QRB without arm restraints – platforms using the QRB without arm restraint include Hawk, Super Tucano, Gripen, Typhoon, PC-21.
  and Alpha Jet
• Slimline QRB – this version has been developed to provide firing handle clearance for
  short seat buckets. Platforms using this version include Hawk, Gripen, PC-7 MkII and Super Tucano.

A growth version exists that incorporates automatic release in sea water called MWARS – Martin-Baker Water Activated Release System. MWARS is currently in service on the F-35 and M-346. MWARS will also be included on the F-16 and F-21 platforms. Learn more on our dedicated page, here.