Hardened new laws enabling the Western Australian Police Force to better monitor and manage known sex offenders in the community have passed Parliament.

The Cook Government has committed $15.8 million in funding over the next four years for a new WA Police jet and to upgrade existing air assets.

Tourism and horse racing operators in the Goldfields will benefit from a $1.5 million Cook Government commitment to establish a significant new sporting drawcard as part of the annual Kalgoorlie Race Round.

The Cook Government has selected the location for a new facility to house the State's most high-risk youth detainees, alongside the Banksia Hill Detention Centre.

Western Australian gun owners have embraced the Cook Government's $64.3 million voluntary firearm buyback program with 38,442 weapons handed back by more than 20,500 licence holders.

The WA Government is returning to the Land Forces International Land Defence Exposition for a third year to highlight Western Australia's local defence industry on a global stage.

The Cook Government will spend an additional $32.5 million over the next four years to boost safety on regional roads across Western Australia.

West Kimberley towns have seen a reduction in crime since the introduction of new liquor restrictions in Derby and Broome earlier this year.

The Western Australia Police Force has begun trialling Drone in a Box technology to improve safety and enhance intelligence gathering for officers responding to emergencies.

Tough new conditions will enable the WA Police Force to better monitor and manage known sex offenders in the community under proposed laws introduced to Parliament this week.