
Honeywell Aerospace Technologies is a business segment of Honeywell International, a publicly traded diversified technology company listed on NASDAQ under ticker HON. Honeywell announced plans in October 2024 to spin off Aerospace Technologies as an independent publicly traded company, expected to complete in the second half of 2026. The segment generated approximately $17.5 billion in revenue in 2024, making it Honeywell's largest business segment. Headquarters are in Phoenix, Arizona, USA.
Parent Company
Founded
1906
Status
Publicly Traded
Headquarters
| Brand | Parent Company | Ownership Type |
|---|---|---|
| Honeywell Aerospace Technologies | Honeywell International | Subsidiary |
Honeywell's aerospace origins trace back to the company's early 20th century roots in industrial controls. Albert Butz patented a furnace regulator in 1886, which led to the formation of the Minneapolis Heat Regulator Company. This company merged with Honeywell Heating Specialty Company in 1927 to form Minneapolis-Honeywell Regulator Company. The company expanded into aerospace in the mid-20th century through development of autopilot systems and flight control technologies.
A major expansion in aerospace capabilities came through the 1999 merger between Honeywell and AlliedSignal Corporation. AlliedSignal had already built significant aerospace operations through acquisitions of Garrett Corporation (aviation engines and APUs) in 1985 and Sundstrand Corporation (aerospace components and power systems) in 1999 for approximately $2.5 billion. The Honeywell-AlliedSignal merger was structured as a merger of equals, though AlliedSignal was technically the acquiring entity. The combined company adopted the Honeywell name and became one of the largest aerospace suppliers in the world.
Following the merger, Honeywell Aerospace became a primary supplier of auxiliary power units, turbofan engines, avionics systems, and flight management systems. The segment's product portfolio expanded to cover virtually every major aircraft system category. Honeywell's APUs are used on a wide range of commercial and military aircraft, including Boeing 737, 747, 777, and 787 models, as well as Airbus A320, A330, and A350 families.
In the 2000s and 2010s, Honeywell Aerospace continued to invest in next-generation technologies. The segment developed the Primus Epic integrated avionics system, which is used on multiple business jet platforms and regional aircraft. Honeywell also developed the HTF7000 turbofan engine for business aviation, which powers aircraft including the Bombardier Challenger 300 and 350, Gulfstream G280, and Embraer Legacy 450 and 500.
The segment expanded its connectivity and navigation offerings through the acquisition of Inmarsat's JetWave hardware business and development of the Honeywell GoDirect platform. Honeywell also invested in satellite-based navigation technologies, including its Compact Fly-By-Wire system for general aviation and its NextGen flight management system for commercial aircraft.
In 2024, Honeywell Aerospace continued to expand its portfolio through acquisitions. The company acquired Civitanavi Systems, an Italian inertial navigation technology provider, for approximately $220 million in March 2024. This acquisition strengthened Honeywell's navigation and guidance systems capabilities for both commercial and defense applications.
The October 2024 spin-off announcement marked a significant strategic shift for Honeywell. CEO Vimal Kapur stated that the separation would allow the aerospace business to accelerate innovation and pursue growth opportunities with greater agility. The announcement followed pressure from activist investor Elliott Investment Management, which had advocated for a breakup of Honeywell to unlock shareholder value. Elliott argued that Honeywell's diversified structure resulted in a conglomerate discount and that separating aerospace would create two more focused, higher-performing companies.
As of mid-2026, the spin-off preparation is ongoing. Honeywell has filed the necessary regulatory paperwork and is working through the operational separation of shared services, manufacturing facilities, and supply chain agreements. The new aerospace company is expected to trade on a major U.S. stock exchange, though the specific ticker symbol has not been finalized.
What does Honeywell own?
Following the completion of its three-way separation in 2026, Honeywell Technologies owns the automation businesses, including building automation, process automation and technology, and industrial automation. The former Aerospace Technologies business is now Honeywell Aerospace (HONA), and the former Advanced Materials business is now Solstice Advanced Materials (SOLS). Both are independent publicly traded companies. Honeywell Technologies' major product lines include Honeywell Building Technologies, Intelligrated warehouse automation, and UOP process technology.
Is Honeywell publicly traded?
Yes, Honeywell Technologies, Inc. is publicly traded on Nasdaq under ticker HON. The company completed a 1-for-2 reverse stock split on June 29, 2026, reducing total outstanding shares to approximately 317 million. Major institutional shareholders include Vanguard Group, BlackRock, and State Street. Honeywell Aerospace trades independently under HONA, and Solstice Advanced Materials trades under SOLS.
Who founded Honeywell?
Honeywell traces its origins to 1906 when Mark Honeywell founded the Honeywell Heating Specialty Company in Wabash, Indiana. The company merged with Minneapolis Heat Regulator Company (founded by Albert Butz in 1885) in 1927 to form Minneapolis-Honeywell Regulator Company. The company shortened its name to Honeywell Inc. in 1964 and merged with AlliedSignal Corporation in 1999.
Where is Honeywell headquartered?
Honeywell Technologies is headquartered in Charlotte, North Carolina, having relocated from Morris Plains, New Jersey, in 2019. Honeywell Aerospace is headquartered in Phoenix, Arizona. Solstice Advanced Materials is headquartered in Morris Plains, New Jersey.
How many employees does Honeywell have?
As of December 31, 2025, the pre-separation Honeywell employed approximately 101,000 people across 79 countries, with approximately 36,000 in the United States. Following the separation, Honeywell Technologies has approximately 50,000 employees, Honeywell Aerospace has over 36,000 employees, and Solstice Advanced Materials has the remainder. The employee count excludes approximately 19,000 employees at Sandia National Laboratories and the Kansas City National Security Campus, which Honeywell manages as a U.S. Department of Energy contract operator.
Who owns Honeywell?
Honeywell Technologies, Inc. is publicly traded on Nasdaq with a broad institutional and retail shareholder base. No single shareholder holds a controlling stake. Major institutional shareholders include Vanguard Group, BlackRock, and State Street. Vimal Kapur serves as Chairman and Chief Executive Officer.
What is Honeywell's revenue?
For fiscal year 2025, the pre-separation Honeywell reported sales of $37.4 billion, up 8% year-over-year, with organic growth of 7%. Adjusted EPS was $9.78, up 12%. Operating cash flow was $6.1 billion and free cash flow was $5.1 billion, up 20%. For 2026, the company issued guidance of $38.8 to $39.8 billion in sales with 3% to 6% organic growth and adjusted EPS of $10.35 to $10.65.
Is Honeywell separating into multiple companies?
The separation is complete. Honeywell completed the spin-off of Solstice Advanced Materials (SOLS) on October 30, 2025, and the spin-off of Honeywell Aerospace (HONA) on June 29, 2026. The remaining entity, Honeywell Technologies, trades under HON and operates as a pure-play automation company. The three-way separation was announced in February 2025 and completed ahead of the company's prior expectations.
Honeywell Aerospace Technologies develops technologies aimed at reducing aviation's environmental impact. The segment's flight management systems provide optimized routing and altitude management that can reduce fuel consumption by up to 5% per flight. Honeywell's GTCP36 and GTCP131 auxiliary power units incorporate fuel efficiency improvements over earlier generations.
The segment invests in sustainable aviation technologies including electric and hybrid-electric propulsion research. Honeywell has partnered with multiple companies on urban air mobility and electric aircraft projects. The segment also develops technologies for sustainable aviation fuel compatibility, ensuring that its engines and APUs can operate with SAF blends.
Honeywell International publishes a corporate sustainability report that includes environmental metrics for the aerospace segment. The company has committed to achieving carbon neutrality in its operations by 2030. Specific emissions reduction targets for the aerospace segment's manufacturing facilities are included in Honeywell's corporate ESG disclosures.
The segment's products are subject to certification by aviation regulatory bodies including the FAA, EASA, and other national aviation authorities. These certifications ensure that products meet safety and environmental standards for aircraft operations. Honeywell maintains compliance with international trade regulations, including ITAR (International Traffic in Arms Regulations) for defense products and export controls for dual-use technologies.
Honeywell Aerospace Technologies has received recognition from aviation industry organizations. The segment has been recognized by Aviation Week Network for contributions to aviation technology and safety. Honeywell's flight management systems and avionics products have received FAA and EASA type certifications, which are required regulatory approvals rather than competitive awards.
The segment has received supplier recognition awards from major aircraft manufacturers including Boeing and Airbus. These awards recognize performance in quality, delivery, and cost management. Honeywell has been a Tier 1 supplier on multiple Boeing and Airbus programs.
Honeywell Aerospace's technologies have been featured in industry publications including FlightGlobal, Aviation International News, and AIN Online for innovations in connectivity, navigation, and propulsion. The segment's GoDirect platform and Compact Fly-By-Wire system have received coverage as notable technology developments in general aviation.
The segment has not prominently received independent consumer product awards, as its products are business-to-business aerospace components rather than consumer products. Recognition is primarily from industry trade publications and customer organizations.
Honeywell Aerospace Technologies has faced product safety issues typical of major aerospace suppliers. The segment has issued service bulletins and product modifications for various components over its history. These actions are coordinated with aviation regulatory bodies including the FAA and EASA.
In 2013, Honeywell faced scrutiny related to its 787 Dreamliner auxiliary power unit following the grounding of the Boeing 787 fleet due to battery fire incidents. While the primary issue was traced to lithium-ion batteries manufactured by GS Yuasa, Honeywell's APU and electrical systems were also examined as part of the investigation. The FAA issued airworthiness directives related to the 787 electrical system. Honeywell cooperated with the investigation and implemented design modifications as required.
In 2020, Honeywell faced a securities class action lawsuit related to its Boltlite breathing apparatus used in oil and gas applications. The lawsuit alleged that Honeywell made misleading statements about the product's safety and reliability. The case was resolved through settlement.
The segment has faced supply chain challenges, particularly during the COVID-19 pandemic and subsequent recovery. Shortages of semiconductors, raw materials, and skilled labor have affected production schedules. Honeywell has invested in supply chain resilience and inventory management to address these challenges.
The planned 2026 spin-off has created some uncertainty among customers and employees regarding the future structure of the aerospace business. Honeywell has stated that customer contracts, supplier relationships, and employee benefits will be maintained through the separation process. The company has established a transition team to manage the operational separation.
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