McNaughton Dynamics

What McNaughton Dynamics does

McNaughton Dynamics Limited is a privately-held UK company based in Long Crendon, Aylesbury, that designs and supplies cryogenic gas charging systems for civil and military aircraft ground support operations. Founded in 1987 and operating with 1-10 employees, the company has built a four-product portfolio — the Nitrogen Servicing Unit (NSU), Oxygen Servicing Unit (OSU), Sidewinder Recharging Unit (SRU), and Fast Tyre Fill (FTF) unit — all based on the Zwick range of cryogenic servicing units that have been in service with air forces worldwide for over 40 years. Core technology includes a patented internal pump providing instant high-pressure gas on demand, self-pressurizing 300-litre cryogenic tanks that require no external electrical power or fuel, aluminium heat exchangers that warm output gas to within 7°C of ambient, and optional molecular sieve purification systems.

The business operates as a B2B specialist supplier through direct enterprise sales to military air forces globally and commercial airlines. Revenue derives from capital equipment sales of complete gas charging systems and from a spare parts and accessories business that supplies both original equipment buyers and third-party ground support operators. McNaughton is ISO 9001 certified and holds a US Government CAGE code, qualifying it as an approved defence supplier. Pricing is not publicly disclosed and there are no indications of subscription, licensing, or recurring service revenue models. The company claims a global footprint with named commercial reference customer Ryanair using the FTF unit at Stansted and other European hubs to service over 40 aircraft nightly. There is no disclosed revenue figure, no external funding, and no evidence of acquisitions or leadership changes.

Name

McNaughton Dynamics

Legal name

McNaughton Dynamics Limited

Website

https://mcnaughton.co.uk

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

1–10 employees

Short description

McNaughton Dynamics Limited is a privately-held UK firm (founded 1987, 1-10 employees) that designs and supplies cryogenic nitrogen and oxygen servicing units, Fast Tyre Fill equipment, and Sidewinder missile recharging units to military air forces worldwide and commercial airlines, based on Zwick cryogenic technology with patented internal pump systems.

Ownership category

akta.pro rank

Product category

Aviation Ground Support Equipment

NAICS

Pump and Compressor Manufacturing (33391), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Aircraft Parts & Auxiliary Equipment, Nec (3728), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Military Aerospace Fuel, Hydraulic & Environmental Control Systems (IMABAMAJ)

akta.pro secondary industry

Gas Handling Equipment & Storage (Cylinders/Tanks/Valves) (IMAEACAL)

Keywords

• Aircraft gas charging systems
• Cryogenic servicing equipment
• Nitrogen servicing units
• Oxygen servicing units
• Aviation ground support

Headquarters

HQ city

Aylesbury

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Gas Charging Equipment Sales: Sale of specialized aircraft gas charging systems including Nitrogen Servicing Units, Oxygen Servicing Units, and Fast Tyre Fill units. These are complete self-contained units sold as capital equipment to airlines and military organizations.
2. Spare Parts and Accessories: Supply of spare parts, components, consumables and accessories for ground support equipment. The company has ISO Certification and US Government CAGE code giving them scope to supply a wide range of parts to military and civilian organizations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

McNaughton Dynamics Limited designs, manufactures and supplies aircraft gas charging systems for civil and military aviation, including nitrogen servicing units, oxygen servicing units, sidewinder missile recharging units and fast tyre fill equipment, all based on Zwick cryogenic servicing technology. The company also distributes spare parts, components and accessories for ground support equipment to military and civilian operators. Its units use patented internal pumps, self-pressurizing 300L cryogenic tanks, and aluminum heat exchangers to deliver high and low pressure gas without external power or fuel.

Product overview

McNaughton Dynamics is an ISO certified company supplying aircraft gas charging systems to civil and military aircraft organizations. Their product portfolio consists of four core product lines based on Zwick cryogenic servicing technology: the Nitrogen Servicing Unit (NSU) for high/low pressure nitrogen supply to aircraft tyres, struts and accumulators; the Oxygen Servicing Unit (OSU) for liquid and gaseous oxygen delivery to LOX pots and cylinders; the Sidewinder Recharging Unit (SRU) for specialized missile LAU-7 cylinder and test set charging; and the Fast Tyre Fill (FTF) Unit for rapid commercial airline tyre inflation. All units feature patented internal pumps, 300L cryogenic storage tanks, and aluminium heat exchangers. The company also supplies spare parts and accessories through its ISO-certified operations with US Government CAGE code approval.

Differentiator

Problem solved

Functional benefit

Products and services

• Nitrogen Servicing Unit (NSU)

Quantifiable outcome

• Fills approximately 80 Boeing 737 tyres from 30 psi to 220 psi using single 300L liquid nitrogen tank
• +2 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core and minor.

• ZwickcoreTechnology or IntegrationMcNaughton Dynamics products are based on the successful Zwick range of cryogenic servicing units, which have been in service with air forces worldwide for the last forty years. The company has developed their nitrogen and oxygen servicing systems using Zwick technology as the foundation.
• BOCminorChannel Partner/ Reseller/ DistributorBOC (a Linde company) is mentioned as the supplier of liquid nitrogen gas for the Fast Tyre Fill units. Ryanair originally used BOC cylinders for tyre filling before implementing McNaughton's solution.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Tronair: Tronair is one of the largest independent manufacturers of aircraft ground support equipment, including tow bars, jacks, and service carts. It competes with McNaughton Dynamics in the broader aviation GSE market and serves the same commercial and military airline/MRO customer base.
• Cox & Company: Cox & Company specialises in aircraft anti-icing and environmental control systems, including oxygen and pneumatic ground support equipment. It is a direct competitor in the specialised military aviation gas-servicing equipment category.
• Columbus Jack / Carleton Technologies: Carleton Technologies (including the Columbus Jack product line) supplies military and commercial aircraft ground support and life-support equipment, including oxygen and nitrogen servicing units. It is a direct peer in the specialised military GSE category, particularly for breathing-gas systems.
• Hydraulics International (HII): HII manufactures hydraulic and pneumatic power sources, gas boosters, and high-pressure ground support equipment for military and aerospace applications. Its high-pressure gas systems overlap with McNaughton's NSU/SRU pumped-gas delivery product lines.
• Zwick (Aero/Zwick Energia): Zwick is the originator of the cryogenic servicing unit technology that McNaughton's NSU, OSU, and SRU products are explicitly based on. It is the historical technology incumbent in military aircraft LOX/GN2 charging and remains in service with air forces worldwide, making it the closest functional alternative to McNaughton's offering.
• PowerTest Inc. PowerTest designs and manufactures specialised aircraft ground support equipment, including nitrogen and oxygen servicing units for military and commercial aviation. It sells into the same customer segments (air forces, airlines, MROs) and overlaps directly with McNaughton's NSU/OSU product lines.

Broad incumbents

• B/E Aerospace (now part of Rockwell Collins / RTX): Collins Aerospace (legacy B/E Aerospace) supplies oxygen systems and related ground support equipment for commercial and military aircraft, including LOX/GOX servicing components. It is a much larger incumbent whose portfolio competes with McNaughton at the system-integration level.
• Parker Hannifin (Aerospace division): Parker Hannifin's Aerospace segment supplies fluid handling, gas, and hydraulic systems for aircraft and ground support, including components used in aircraft oxygen and nitrogen servicing. It is a much broader incumbent whose portfolio overlaps with McNaughton's gas-charging functionality at the component/system level.

Emerging players

• TemPest Aviation / ASAP Aerospace: ASAP Aerospace (formerly TemPest Aviation) supplies military aircraft ground support equipment and spare parts, with active US CAGE code registrations like McNaughton's. It is a comparable niche distributor/manufacturer competing in the same aviation GSE procurement channels.

Others

• Norgren / IMI Precision Engineering: Norgren/IMI supplies fluid handling, gas regulation, and pneumatic components used in aircraft and industrial gas-servicing equipment. While not a direct competitor, it is an enabling supplier whose regulators, valves, and cryogenic components overlap with subsystems in McNaughton's NSU/OSU units.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mcnaughton-dynamics-limited

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about McNaughton Dynamics