What Scaled Composites does

Scaled Composites, LLC is an aerospace research and development company founded in 1982 by Burt Rutan in Mojave, California. The company designs, builds, and tests experimental aircraft and composite structures, averaging one new aircraft first flight per year across its 40+ year operating history. It operates as a wholly owned subsidiary of Northrop Grumman Corporation (acquired in 2007) with 501-1,000 employees based at the Mojave Air and Space Port in California's Aerospace Valley.

The company's product portfolio spans crewed technology demonstrators (Model 437 Vanguard), unmanned combat aerial vehicles (X-47A Pegasus, RQ-180), high-altitude research aircraft (Model 281 Proteus), air-launch platforms (Stratolaunch at 385-foot wingspan, the largest aircraft ever built), and historic record-setters such as SpaceShipOne and GlobalFlyer. Technical capabilities include advanced composite fabrication using carbon fiber, fiberglass, and Kevlar; a rapid design-build-test methodology; and integrated digital engineering (Northrop's Digital Pathfinder process) that reduces engineering rework from an industry-average of 15-20% to under 1%. Aircraft are developed both as customer deliverables and as airborne testbeds for autonomy, propulsion, and sensor experiments.

Scaled generates revenue primarily through fixed-price and cost-plus contracts with US government defense agencies (DARPA, US Air Force, Navy, AFRL) and through subcontracting arrangements with defense primes led by parent Northrop Grumman. Go-to-market is enterprise field sales via direct customer engagement and proposal-driven contract wins. Approximately 80% of broader Aerospace Valley work is classified, and Scaled's commercial customer base is broadening to include AI autonomy providers (Shield AI, Merlin Labs, Red 6, Applied Intuition) integrating their software onto Scaled-operated test platforms such as the Model 437 Beacon testbed.

Name

Scaled Composites

Legal name

Scaled Composites, LLC

Website

https://scaled.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Scaled Composites is a Mojave, California-based aerospace developer that designs, builds, and tests experimental aircraft and composite structures for US defense agencies and primes. A Northrop Grumman subsidiary, it averages one new aircraft first flight per year with integrated design-build-test capabilities.

Ownership category

akta.pro rank

Product category

Experimental Aircraft Development

NAICS

Aerospace Product and Parts Manufacturing (33641), Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)

SIC

Aircraft & Parts (3720), Aircraft Parts & Auxiliary Equipment, Nec (3728), Guided Missiles & Space Vehicles & Parts (3760), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Composite Structures & Layup Manufacturing (IMABAEAB)

akta.pro secondary industries

Structural Assemblies & Integration (Airframe Subassemblies) (IMABAEAD), Military Fixed-Wing Aircraft Manufacturing (IMABAAAB)

Keywords

• Experimental aircraft development
• Composite aerospace structures
• Rapid prototyping aviation
• Defense flight testing
• Aerospace engineering services

Headquarters

HQ city

Mojave

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Infrastructure, Supply Chain, Operations

Revenue model

1. Government Defense Contracts: Scaled Composites generates revenue primarily through fixed-price and cost-plus contracts with US government agencies including DARPA, Air Force Research Laboratory, and other defense departments for aircraft development, prototyping, and testing services.
2. Defense Contractor Subcontracting: As a subsidiary of Northrop Grumman, Scaled serves as a supplier and subcontractor on rapid development and technology demonstrator programs, contributing to larger defense contractor efforts including autonomous systems and collaborative combat aircraft.
3. Aerospace Research Flight Services: Scaled provides payload development testing and research flight services to a variety of customers including industry partners and government agencies using aircraft like Model 401 Sierra and Proteus.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Scaled Composites is an aerospace R&D company that designs, builds, and tests experimental aircraft under an integrated one-stop-shop capability. The company specializes in rapid prototyping of composite airframe demonstrators and research platforms (e.g., Model 437 Vanguard, Stratolaunch, SpaceShipOne) for U.S. government defense agencies and defense prime contractors. Revenue is generated primarily through fixed-price and cost-plus professional services contracts for design, fabrication, and flight testing services.

Product overview

Scaled Composites is a specialty aerospace and composites development company offering a unified platform of experimental aircraft products supported by integrated design, build, and test services. The company operates as a one-stop shop for rapid aerospace innovation, excelling at rapid development of demonstrator and prototype aircraft, research flight testing, and pushing aerospace boundaries. The product portfolio centers on unique experimental aircraft including the Model 437 Vanguard (multi-mission low-cost attritable aircraft), Model 401 Sierra (low-cost manufacturing demonstrator), Model 355 Old School (MALE payload testbed), Model 281 Proteus (high-altitude research platform), SpaceShipOne (suborbital spaceplane), and Stratolaunch (world's largest aircraft). These products are supported by in-house services spanning conceptual design through flight testing, with a track record of delivering approximately one new aircraft type per year since founding.

Differentiator

Problem solved

Functional benefit

Products and services

• Model 437 Vanguard Crewed multi-mission technology demonstrator aircraft powered by a single Pratt & Whitney 535 engine (~3,400 lb thrust), with 41-foot wingspan, 10,000-pound gross takeoff weight, an internal payload bay sized for two AIM-120 missiles, approximately 3,000 nautical miles range, and 6-hour endurance.
• Model 401 Sierra Low-cost manufacturing technology demonstrator consisting of two identical vehicles powered by Pratt & Whitney JT15D-5 engines, operating at medium altitudes up to 25,000 feet at Mach 0.6 cruise, with a 38-foot wingspan and 2,000-pound payload capacity. Used as a research flight services platform.
• Model 355 Old School Medium-altitude long-endurance (MALE) optionally piloted payload testbed aircraft in a twin-boom bronco-tail pusher configuration designed for rapid prototyping, with demonstrated up to 11 hours endurance and 1,280-pound payload capacity.
• Model 281 Proteus Twin-turbofan high-altitude research aircraft powered by Williams International FJ44-2E engines, designed for payloads up to 2,000 pounds to altitudes above 50,000 feet with up to 14-hour loiter time; holds three FAI world altitude records.
• SpaceShipOne Three-place rocket-powered suborbital spaceplane designed for flights to 100 km altitude using a hybrid rocket motor (nitrous oxide / rubber fuel) and a pneumatic feathering system for atmospheric reentry. Won the Ansari X-Prize in 2004 and holds the FAI altitude record of 367,487 ft in Class P-1 Category.
• Stratolaunch World's largest aircraft by wingspan (385 feet) with a twin-fuselage design and six Pratt & Whitney turbofan engines. Maximum takeoff weight of 1.3 million pounds and 550,000-pound payload capacity for air launch to space; achieved Guinness World Record for largest wingspan aircraft.
• GlobalFlyer Single-seat turbofan aircraft designed for nonstop, unrefueled around-the-world flight that set the FAI world record for fastest unrefueled circumnavigation at 67 hours and 1 minute with pilot Steve Fossett.
• White Knight Mothership aircraft designed to carry and launch SpaceShipOne to 49,000 feet altitude, powered by two General Electric J-85 turbojets producing 3,600 lb thrust each with afterburner; also served as a high-fidelity simulator for SpaceShipOne pilot training.
• ARES Full-scale proof-of-concept demonstrator for a low-cost battlefield attack aircraft — a highly maneuverable turbofan-powered experimental aircraft demonstrating departure-free handling at full aft stick. Currently serves as a research testbed.
• X-47A Pegasus Kite-shaped unmanned combat aerial vehicle (UCAV) demonstrator built for Northrop Grumman, featuring low-speed flying qualities, an automatic carrier landing system, and simulated arrestment capabilities.
• Swift Low-cost, high-performance proof-of-concept jet designed for high-G, high angle-of-attack maneuvers and powered by a General Electric F404-GE-102D turbofan engine.
• BiPod Roadable aircraft combining high-performance airplane with STOL capabilities (200 mph, 700-mile range) and road-commuter vehicle; twin-fuselage configuration with hybrid propulsion using 450cc gasoline engines and lithium batteries.
• XRQ-73 SHEPARD Series Hybrid Electric Propulsion AiRcraft Demonstration (SHEPARD) UAV developed with DARPA and Northrop Grumman. The hybrid-electric architecture combines a combustion engine with electric-motor-driven propulsion for reduced sound signature and improved fuel efficiency, intended for future military reconnaissance missions.

Quantifiable outcome

• 21 months from start of detailed design to first flight (Model 437)
• +5 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature5 records

Partnerships

Eight partnerships are on record, tiered core, major and minor.

• DARPAcoreStrategic or Co-development Partner · 1 April 2026Scaled Composites collaborated with DARPA and Northrop Grumman on the XRQ-73 SHEPARD program, successfully demonstrating hybrid-electric propulsion technology for future military reconnaissance missions. Scaled performed flight testing of the experimental aircraft at Edwards Air Force Base.
• Northrop Grumman (Beacon)coreStrategic or Co-development Partner · 24 June 2025Scaled partnered with Northrop Grumman on the Beacon autonomous testbed ecosystem, using Model 437 as an airborne test platform to rapidly iterate and mature autonomy software in a flying environment.
• Northrop Grumman (Digital Pathfinder)coreStrategic or Co-development Partner · 29 August 2024Partnership on Digital Pathfinder program demonstrated advanced digital engineering tools through Model 437 development. Northrop Grumman designed and manufactured wing assemblies using digital processes while Scaled handled fuselage, empennage, assembly, and flight testing.
• Stratolaunch CorporationmajorStrategic or Co-development Partner · 1 January 2011Scaled was contracted in 2011 by Stratolaunch (Paul G. Allen company) to design, build, and test the world's largest aircraft by wingspan. Scaled successfully completed its Statement of Work and transitioned the vehicle to Stratolaunch Corporation in 2019.
• Air Force Research Laboratory (AFRL)minorStrategic or Co-development Partner · 31 January 2008AFRL and Innovative Scientific Solutions Inc. (ISSI) brought the Borealis PDE project to Scaled to test pulse detonation engine thrust production and validate aircraft structural survivability.
• Northrop GrummancoreStrategic or Co-development Partner · 1 August 2007Northrop Grumman acquired Scaled Composites in August 2007. Scaled operates as a wholly owned subsidiary, preserving its unique offerings while closely collaborating as a supplier on rapid development and technology demonstrator programs. The partnership enables Northrop to leverage Scaled's rapid prototyping capabilities for collaborative combat aircraft, autonomous systems, and other defense programs.
• NASAminorStrategic or Co-development Partner · 25 October 2000NASA loaned pressure suits to Scaled for Proteus world record flights. Additionally, Proteus acted as surrogate UAV in NASA ERAST 'Detect, See, Avoid' missions and tested Multiple Altimeter Beam Experiment Lidar.
• Angel TechnologiesminorStrategic or Co-development Partner · 1 January 1996Scaled worked with Angel Technologies to develop Proteus as a high-altitude telecommunications aircraft. The original concept involved a team of aircraft operating in circular patterns for 12-hour shifts over populated areas to provide broadband access.

Scale indicators5 records

Recent moves12 records

Expansion highlights5 records

Direct peers

• Virgin Galactic: Virgin Galactic's SpaceShipTwo is a direct derivative of Scaled's SpaceShipOne, and the company operates in the same suborbital commercial spaceflight niche. Both companies share composite airframe heritage, hybrid rocket motor approaches, and air-launch architectures.
• Stratolaunch: Stratolaunch is an air-launch-to-space company whose carrier aircraft (the world's largest by wingspan) was designed and built by Scaled Composites. They remain a peer in the air-launch-to-orbit platform category with overlapping mission profiles.
• Aurora Flight Sciences: Aurora Flight Sciences is a direct peer specializing in rapid prototyping of unmanned and experimental aircraft, with deep ties to DARPA and the US Air Force. Acquired by Boeing in 2017, it competes head-to-head with Scaled on autonomy, rapid fabrication, and flight test programs.
• Van's Aircraft: Van's Aircraft is a leading manufacturer of experimental and kit aircraft using composite and metal construction. Comparable in the experimental aviation community and in producing rapid-prototype composite airframes, though serving recreational pilots rather than defense customers.

Emerging players

• Joby Aviation: Joby Aviation is a leading eVTOL developer pursuing FAA type certification and defense applications. Comparable to Scaled in spirit as a prototype-heavy experimental aircraft developer, though focused on electric vertical takeoff rather than high-speed or space-related platforms.
• Boom Supersonic: Boom Supersonic is developing the XB-1 demonstrator and Overture airliner for supersonic commercial flight. It shares Scaled's culture of iterative, demonstrator-driven development but focuses on commercial rather than defense customers.
• Area-I: Area-I (now part of General Atomics) developed low-cost unmanned air vehicles such as the ALTIUS series. It was a comparable rapid-prototyping shop in the same unmanned and launch-effects segment Scaled serves via Northrop Grumman.

Broad incumbents

• Lockheed Martin Skunk Works: Skunk Works is Lockheed Martin's advanced development unit for secret and rapid aircraft programs. While broader in scope than Scaled, it directly competes for the same classified prototyping and first-flight mandates that Scaled pursues for DARPA and USAF customers.
• General Atomics Aeronautical Systems: General Atomics is a major manufacturer of unmanned aerial systems (Predator, Reaper, Avenger). It competes with Scaled-served Northrop programs in the autonomy and CCA segments and has expanded into rapid-prototyping acquisitions (Area-I).
• Boeing Phantom Works: Boeing Phantom Works is Boeing's advanced R&D and prototyping division focused on next-generation aircraft and autonomous systems. Overlaps with Scaled on rapid prototyping, autonomy integration, and experimental air vehicle development for DoD customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/scaledc
• LinkedInlinkedin.com/company/scaled-composites

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

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 Scaled Composites