- Company name
- Honeywell Aerospace
- Sector
- Aerospace systems & defense electronics
- About
- Honeywell Aerospace makes equipment and parts for aircraft and spacecraft. Its main product lines are avionics and navigation systems, engines and auxiliary power units, and aircraft control systems, plus satellite communication products, including laser links. Aircraft makers like Airbus and Boeing, and business jet makers, buy this equipment new as original equipment (OE), a lower-margin sale. Once the equipment is installed, Honeywell then earns higher-margin, recurring revenue for decades by selling replacement parts, repairs, and overhauls, called the aftermarket. A separate Defense and Space segment sells to the US and allied militaries. Honeywell Aerospace became an independent public company on June 29, 2026, when Honeywell International, renamed Honeywell Technologies (ticker HON), spun it off. This followed Honeywell's earlier spin-off of Solstice Advanced Materials (ticker SOLS) on October 30, 2025, completing a three-way breakup that left Honeywell Technologies as a smaller, pure-play automation company. Honeywell Aerospace is headquartered in Phoenix, Arizona, employs more than 36,000 people, serves more than 10,000 customers worldwide, and joined the S&P 500 and S&P 100 the day it began trading.
- Thesis
- Most of the discount opened on a single day, August 5, 2026. That day, Honeywell Aerospace cut its first full-year guidance as an independent company. It blamed a shortage of castings, forgings, and other mechanical parts from a small group of suppliers. The stock fell as much as 24% that day. A securities class action lawsuit filed weeks later argues management understated how bad the shortage was. The company also carries about $16 billion of debt from its own spin-off and pays no dividend yet. That leaves little financial room for a further setback. The gap can close if the supply shortage eases as management now expects. That would let deferred aftermarket revenue, Honeywell's highest-margin business, reach customers. Orders still grew 8% in the most recent quarter and the backlog stands around $18 billion. So the case rests on supply catching up with demand, not on demand itself. A large order win, like the 2026 IndiGo avionics deal covering more than 800 aircraft, needs to keep showing up in revenue rather than staying stuck in the backlog. Management has reaffirmed its 2030 targets, but investors have no multi-year standalone track record to check that against yet. Honeywell Aerospace is expected to report third-quarter 2026 results in early November 2026. That is the next chance to show supply is improving. If the shortage eases and the pending class action does not produce a large judgment, the discount could start to close over the next three to five quarters, not before 2027.
- Risks
- A shortage of mechanical parts, such as castings, forgings, and bearings, from a small number of suppliers forced Honeywell Aerospace to cut its full-year 2026 sales growth guidance from 7%-9% to 4%-5%, and cut adjusted EBIT guidance by roughly $300 million, in its very first quarter as a public company. The CEO has already admitted he misjudged how long the fix would take once.
Honeywell Aerospace issued about $16 billion of senior notes to fund its own spin-off from Honeywell Technologies, and pays no dividend yet as of September 2026. This debt load leaves less room to absorb a further supply chain delay or a slowdown in aircraft or defense demand.
The company has no earnings history as an independent business before its August 2026 debut report. Investors cannot yet check management's guidance and cost estimates against a multi-year standalone track record.
The parts shortage pushed Honeywell Aerospace's mix toward lower-margin original equipment and domestic defense sales, and away from its higher-margin commercial aftermarket and international defense business. If that mix does not recover once supply improves, margins stay under pressure.
Revenue depends on aircraft production rates at Boeing and Airbus, airline flight activity, and US and allied defense budgets, none of which Honeywell Aerospace controls. A slowdown in any of these would slow growth further on top of the current supply problem.
A securities class action (Green v. Honeywell Aerospace Inc., filed in the District of Arizona) alleges the company misled investors about supplier concentration risk and did not disclose a DOJ cybersecurity investigation before its August 2026 guidance cut. The case is at an early stage, with a lead-plaintiff deadline of November 23, 2026, but an adverse outcome could add legal costs and management distraction on top of the supply-chain problem.
- Recent events
- 2026-09-24: A securities class action, Green v. Honeywell Aerospace Inc. (D. Ariz., No. 26-cv-06779), was announced on behalf of investors who bought shares between June 29 and September 1, 2026. It alleges Honeywell Aerospace made false or misleading statements about supplier concentration risk and did not disclose the DOJ cybersecurity investigation before its August 5, 2026 guidance cut. The lead-plaintiff deadline is November 23, 2026.
2026-09-14: Melius Research downgraded Honeywell Aerospace to Hold from Buy and cut its price target to $190, citing worry that the rate of change in its fundamentals and valuation could turn negative.
2026-09-01: A company director bought 6,400 Honeywell Aerospace shares at $156.00 each, an open-market insider purchase.
2026-09-01: The US Department of Justice announced that Honeywell Aerospace agreed to pay more than $2 million to settle False Claims Act allegations that it failed to comply with cybersecurity requirements in a US Department of Defense contract.
2026-08-12: Honeywell Aerospace completed an exchange offer, swapping about $16 billion of unregistered senior notes issued for the spin-off into registered notes, with 98% or more of each series tendered.
2026-08-05: Honeywell Aerospace reported its first quarterly results as an independent public company: Q2 2026 revenue of $4.52 billion, up 5% organically, but full-year 2026 guidance was cut on supply chain constraints. Shares fell as much as 24% the next trading day, to a 52-week low of $150.03.
2026-06-29: Honeywell Aerospace completed its spin-off from Honeywell Technologies and began trading on Nasdaq as HONA, joining the S&P 500 and the S&P 100 the same day.
2025-10-30: Honeywell completed the spin-off of Solstice Advanced Materials (ticker SOLS), the first of the two spin-offs that separated Honeywell into three independent companies.