This article is based on an official press release from Coulson Aviation.

Coulson Aviation Unveils Boeing 767 VLAT Program to Modernize Aerial Firefighting

On December 22, 2025, Coulson Aviation USA officially announced the launch of its Boeing 767 Very Large Airtanker (VLAT) program. Unveiled in Thermal, California, this new initiative aims to address a critical need in the global firefighting market: the replacement of aging “legacy” heavy-lift aircraft with a modern, sustainable, and multi-role platform.

According to the company’s announcement, the Boeing 767 VLAT is designed to exceed the payload capacity of current operational tankers while introducing the unique ability to transport large crews alongside fire retardant. As the aerial firefighting industry faces reliability challenges with older airframes, Coulson Aviation states that this program represents a significant advancement in operational capability.

Defining the Next Generation of VLATs

The core of Coulson’s new program is the conversion of the Boeing 767, a twin-engine widebody aircraft, into a high-capacity airtanker. The company confirmed that engineering, structural analysis, and systems integration are currently underway.

In its press release, Coulson Aviation highlighted several key capabilities that distinguish the 767 from existing platforms:

• Record-Breaking Capacity: The aircraft is engineered to carry a retardant load that exceeds any VLAT currently in operation. Industry data indicates the current standard, set by the DC-10, is approximately 9,400 gallons; the 767 aims to surpass this benchmark.
• Dual-Mission Capability: Building on Coulson’s “Fireliner” concept, the 767 will retain the ability to transport over 160 passengers on the upper deck. This allows agencies to deploy firefighters, support crews, and the tanker asset simultaneously.
• Advanced Delivery Systems: The aircraft will be equipped with the largest version of Coulson’s patented Retardant Aerial Delivery System (RADS), designed for high flow rates and precise drop coverage.

Britt Coulson, President and CEO of Coulson Aviation, emphasized the necessity of moving toward more supportable airframes.

“The firefighting community is seeing rapid changes in available airframe types, and agencies need solutions that are safe, efficient, and supportable for decades. The 767 is a proven widebody platform with global support, parts availability, modern systems, and compelling operating economics. Our program builds on those strengths and will deliver performance beyond what legacy VLATs can provide.”

, Britt Coulson, President & CEO, Coulson Aviation

Addressing the “Legacy” Fleet Crisis

The timing of this launch aligns with broader industry concerns regarding the longevity of the current heavy-lift fleet. According to industry reports included in the announcement context, the sector is currently reliant on aging tri-jets, specifically the McDonnell Douglas DC-10 and MD-11.

Market data suggests that these legacy fleets face increasing maintenance difficulties. Reports from November 2025 pointed to groundings of certain legacy aircraft due to structural issues and Airworthiness Directives, specifically related to engine pylons. Furthermore, as commercial Airlines have largely retired these airframes, the supply chain for parts and maintenance has become scarce and costly.

By transitioning to the Boeing 767, Coulson Aviation aims to mitigate these risks. The 767 remains in active commercial service globally, ensuring a robust supply chain for parts, pilots, and maintenance expertise, a logistical advantage that retired airframes like the DC-10 or the now-retired Boeing 747 SuperTanker cannot match.

AirPro News Analysis: The Strategic Shift to Multi-Role Aircraft

The introduction of the Boeing 767 VLAT signals a shift in aerial firefighting strategy from pure capacity to logistical efficiency. Historically, VLATs were single-purpose tools: they delivered massive amounts of retardant but required separate support aircraft to move the crews and equipment needed to manage the fire on the ground.

We observe that Coulson is effectively scaling up its “Fireliner” concept, previously proven on the Boeing 737, to a widebody airframe. The ability to move 160+ personnel and a record-breaking payload in a single flight creates a self-contained rapid response unit. This is particularly valuable for international Contracts, such as moving resources between the North American and Australian fire seasons. By consolidating personnel transport and heavy-lift suppression into one airframe, agencies could potentially reduce the complexity and carbon footprint of large-scale deployments.

Frequently Asked Questions

What is the capacity of the new Coulson 767 VLAT?
While the exact gallon figure is to be determined during final engineering, Coulson Aviation states the capacity will exceed that of any currently operational VLAT (which generally tops out around 9,400 gallons).

When will the aircraft enter service?
The program was announced on December 22, 2025. Engineering and systems integration are currently in progress, but a specific entry-into-service date has not yet been released.

How does this differ from the 747 SuperTanker?
The Boeing 747 SuperTanker, which was retired in 2021, had a capacity of roughly 19,000 gallons but operated on four engines with higher operating costs. The 767 is a twin-engine aircraft, offering better fuel efficiency and lower maintenance costs while still aiming for the top tier of the capacity market.

Sources

• Coulson Aviation
• Industry Data (DC-10/MD-11 fleet status)