Some additional footage from our “1st Door Cut” on the 777-300ERMF.

Another day, another door cut— Mammoth cuts metal on its fourth 777-200LRMF at the STS Aviation Services facility in Manchester, United Kingdom.

The second 777-200LRMF, MSN 36017, has arrived at STS Aviation Services' facility in Manchester, United Kingdom.

A heartfelt thank you to our dedicated team at Mammoth Freighters for fundraising and proudly wearing pink in support of Breast Cancer Awareness Month.

2025 has arrived and while we are excited about the possibilities ahead, this moment didn’t just happen—it’s the result of hard work, focus, and teamwork that has brought this future into view. We hope you enjoy our 2024 year in review…

Mammoth Freighters would like to extend a warm welcome to Zach Young, starting this week as our Director of Marketing and Sales. Zach has over 16 years of experience in the P2F industry and we are thrilled to have him as part of our team at Mammoth.

A bird’s-eye view of our two Jetran 777s headed to DHL. A big thank you to both STS and Aspire for the sustained effort and coordination it takes to manage seven production lines on two different continents.

Mammoth and Aspire MRO are proud to have reached another significant milestone with the installation of the main cargo door on the 777-300ERMF freighter. This marks another step towards completing the -300ERMF conversion and attaining STC certification.

Some highlights from the main cargo door installation on our first 777-300ERMF at Aspire MRO. It has been remarkable to watch so many teams align their efforts towards this landmark achievement.

Mammoth CEO, Bill Tarpley, speaking at Cargo Facts Asia on the future of the widebody market and plans for expanding conversion sites into Asia. Read more at cargofacts.com/allposts/freig…

Mammoth Freighters was proud to welcome Senator Ted Cruz to Aspire MRO, one of its aircraft modification facilities. We look forward to bringing more innovation into aviation infrastructure and creating a thousand highly skilled jobs in Fort Worth.

Mammoth Freighters completes first 777-200LRMF test flight. We look forward to supporting Qatar Airways Cargo as our 777-200LRMF launch customer and value the trust both Qatar and Jetran have placed in our program.

Clear skies above Merced-Castle Airport as our 777-200LRMF undergoes its final phases of noise testing.

STS advances its second production line in Manchester with another 777-200LRMF destined for DHL. The upper sill cut has been completed and the final door surround structure is well underway.

All dressed up and ready for test flights.

Mammoth Freighters and Aspire MRO complete fifth 777 main cargo door installation, with seven total aircraft now in production.

The Mammoth 777-200LRMF is back in the air for its final certification flight tests.

A big thank you to our flight crew and the dedicated teams at Mammoth Freighters and Aspire MRO for their hard work as we continue certification testing.

We’re proud to sponsor Cargo Facts Symposium 2025 in Nashville! Join us October 22nd-24th for the industry’s premier airfreight event. 🎟 Save 15% on your registration with our code: MAMMOTH15 Register at cargofactsevents.com/product/cargo-…

Mammoth Freighters completes flutter testing with max payload on its 777-200LRMF. Our innovative cabin door deactivation design eliminates pathway obstructions, allowing ground crews to move freely during loading operations.