U.S.-based regional airline CommutAir has begun a large-scale project to update and replace the interiors of its entire fleet of Embraer aircraft.

According to CommutAir, the interior refurbishments will be carried out on all 75 of its active ERJ 145 XRs with the support of United Airlines. It acquired many of the aircraft from now-defunct regionals that operated as United Express carriers, growing its fleet to 167 earlier this year. Aviation Week’s 2022 Commercial Fleet and MRO Forecast projects that 20 aircraft will return from storage in 2022.

Each of the upgraded interiors will include new sidewalls, overhead bins, bulkhead finishes, and LED cabin and reading lights. They will also feature redesigned lavatories.

According to CommutAir, the modifications are being performed by both its in-house technical operations teams and its MRO partners.

Modifications have already been completed on three aircraft and CommutAir expects more to be finished by the end of the year. It expects the majority of the interior refreshes to be completed by the end of 2022.