Aircraft Hangar
Written by Justin Goodman, CIC, CLCS, CISC, CEO and Co-Founder, Total CSR
Published: August 4, 2026 · Last reviewed: August 4, 2026
In plain language: An airplane hangar is a building where planes, helicopters, or other aircraft are stored, fueled, or repaired. If the hangar catches fire or collapses while someone else's aircraft is inside, standard property and liability policies often will not pay for the damage without a special add-on.
Technical definition: An airplane hangar is a structure classified as an aviation-related property exposure, typically excluded or sublimited under standard commercial general liability and property forms. Coverage for damage to aircraft in the insured's care requires hangarkeepers liability insurance or a specific aviation package policy.
Aircraft Hangar at a Glance
| Attribute | Detail |
|---|---|
| Also known as | Hangarkeepers exposure, aviation storage facility, airplane hangar, plane hangar |
| Category | Commercial property and liability exposure |
| Lines of business | Commercial Property, Commercial General Liability, Aviation Insurance |
| Industries most affected | Aviation, airport operations, flight schools, FBOs, agricultural aviation, charter companies, helicopter operators |
| Related forms or endorsements | CG 21 09 Exclusion – Aircraft Products; hangarkeepers liability endorsements |
| Who bears the risk | Hangar owner or operator storing aircraft they do not own |
| Common solution | Hangarkeepers liability policy plus commercial property coverage on the building |
| Also interacts with | Care, custody, and control exclusion; aviation products-completed operations |
Key Takeaways
- An airplane hangar is a building used to store, maintain, or repair aircraft, and it carries insurance exposures that go beyond ordinary commercial property risk.
- Agencies must recognize that most CGL and standard property policies exclude or restrict aviation-related exposures, making a separate aviation or hangarkeepers policy necessary for any client who stores third-party aircraft.
- The most common misunderstanding is assuming a general property policy covering the airplane hangar building automatically covers aircraft owned by others sitting inside it; it typically does not.
- A quick win for agencies is to ask every commercial property client with an airplane hangar or aircraft storage building whether they store, service, or fuel aircraft they do not own, since that single question uncovers the hangarkeepers exposure.
What Is an Aircraft Hangar in Insurance?
An airplane hangar is a building or structure designed to house aircraft for storage, maintenance, fueling, or repair. From an underwriting standpoint, an airplane hangar is not treated like an ordinary warehouse. Carriers view aviation exposures as a specialized class because aircraft losses are high-severity, involve federal regulatory oversight from the Federal Aviation Administration and aviation regulations, and often trigger both property and liability claims simultaneously.
The exposure exists because most commercial general liability policies contain an aircraft exclusion, and most commercial property forms are not built to value or underwrite aircraft contents. Whether the structure is a small plane hangar, jet hangar, or large maintenance facilities, a carrier insuring a strip mall has no appetite for the risk of a $2 million turboprop burning inside a tenant's storage unit. The legal doctrine behind this gap is similar to the care, custody, and control exclusion found throughout property and liability forms: insurers do not want to cover property that belongs to someone else and sits in the insured's physical possession, because valuation and moral hazard concerns multiply.
Consider a flight school that owns its training building and also rents hangar space to individual pilots who keep personal aircraft there. If an electrical fire spreads from the building's electrical systems and destroys three privately owned planes, the flight school's general liability policy will likely deny the claim outright under the aircraft exclusion, leaving the school exposed to lawsuits from three separate private aircraft owners with no coverage responding.
How Does Aircraft Hangar Coverage Work?
- The storage arrangement. A hangar owner or operator agrees to store, service, or fuel aircraft belonging to third parties, creating a bailment relationship similar to a garage keeping a customer's car. This applies whether operating private hangars, jet hangars, or rented hangars at airport-leased property.
- The loss event. A fire, hailstorm, roof collapse, or towing accident damages one or more aircraft while they sit inside or near the airplane hangar. Losses can affect aircraft clearance zones, door systems, or the steel structures themselves.
- The coverage check. The hangar operator's general liability and property policies are reviewed, and the aircraft exclusion typically bars any payment for damage to the aircraft itself, regardless of hangar size or airplane hangar dimensions.
- The hangarkeepers claim. If the operator purchased a hangarkeepers liability policy, that coverage responds to pay for damage to aircraft in the operator's care, custody, or control, subject to a per-aircraft and per-occurrence limit.
- The resolution or lawsuit. Without hangarkeepers coverage, the aircraft owner sues the hangar operator directly, and the operator is forced to pay out of pocket or rely on umbrella coverage that may also exclude aviation risk.
Real Claim Examples Involving Aircraft Hangars
Hailstorm damage to stored private aircraft
A regional airport hangar operator stored six privately owned single-engine planes for local pilots in steel airplane hangars. A severe hailstorm dented the hangar roof and several panels failed, allowing hail to strike two aircraft inside due to inadequate aircraft clearance from the damaged sections. The operator's commercial property policy paid for roof repairs to the steel structures, but the aircraft owners' claims for cosmetic and structural aircraft damage were denied because the operator had not purchased hangarkeepers liability. The two private aircraft owners pursued separate lawsuits against the operator.
Fuel truck collision damaging a customer's helicopter
An FBO's ground crew was repositioning a fuel truck inside a hangar bay near the fueling areas and struck the tail rotor of a customer's helicopter, causing significant structural damage. The incident occurred in one of their jet hangars despite proper wingspan clearance protocols. The FBO carried a hangarkeepers liability policy with a $500,000 per-aircraft limit, which paid for the repair and adjusted the claim directly with the helicopter owner, avoiding litigation entirely.
Hangar collapse during a snowstorm
A heavy snow load caused a metal hangar roof to collapse onto three aircraft owned by different tenants in their private hangars. The building owner's commercial property policy paid to rebuild the airplane hangar, but because the owner had never disclosed the aviation storage use or proper airplane hangar dimensions to the carrier during site planning, the underwriter argued the occupancy was misrepresented at binding. The dispute delayed the building claim by several months and left the tenants' aircraft damage entirely uninsured.
Aircraft Hangar vs. Hangarkeepers Liability: What Is the Difference?
An airplane hangar is a physical structure and the underlying exposure it creates, while hangarkeepers liability is the specific insurance product built to cover damage to third-party aircraft stored inside that structure. Whether dealing with aircraft hangar buildings constructed with structural steel framing, clear span layouts, or traditional support columns, agencies need both concepts clearly separated because a client can own or lease an airplane hangar without ever purchasing the liability coverage that protects against its most expensive exposure.
| Comparison area | Aircraft Hangar | Hangarkeepers Liability |
|---|---|---|
| Primary use case | Physical building housing aircraft for storage, repair, or fueling; includes jet hangar space, maintenance bays, and parts storage areas | Liability coverage for damage to aircraft in the insured's care, custody, or control |
| Coverage / concept type | Underlying property and occupancy exposure involving hangar construction, door installation, and site preparation | Specialized aviation liability insurance product |
| Typical exclusions | Aircraft contents excluded from standard property forms; may include construction coordination and structural engineering issues | Owner's own aircraft, war, and certain FAA violations often excluded |
| Who is most affected by errors | Hangar owner facing uninsured property loss on steel aircraft hangars or other structures | Hangar operator facing uninsured third-party liability |
| Common mistakes | Failing to disclose aviation occupancy, hangar design specifications, or aircraft type to the property carrier | Assuming general liability or umbrella policies cover aircraft damage |
What Are the Most Common Mistakes With Aircraft Hangar Coverage?
- Agencies assume a standard CGL policy covers damage to stored aircraft in private hangars, when the aircraft exclusion bars nearly all such claims, leaving the client uninsured after a loss.
- Producers fail to ask commercial property clients whether their airplane hangar buildings store aircraft owned by others, missing the hangarkeepers exposure entirely during account rounding.
- Clients under-report the number and value of aircraft typically stored, leading to inadequate per-aircraft limits that leave a coverage gap after a multi-aircraft loss, particularly in fleet hangars or jet hangar building operations.
- Agents overlook that umbrella and excess policies frequently follow the aviation exclusion from the underlying CGL, meaning umbrella limits will not drop down to fill the gap for charter companies or corporate aviation departments.
- Occupancy misrepresentation at binding, such as describing an airplane hangar as general storage rather than aircraft storage, or failing to disclose hangar construction details, concrete foundation specifications, or door system selection, can give the property carrier grounds to deny or delay a claim.
- Agencies forget that hangarkeepers limits apply per aircraft and per occurrence, so a multi-aircraft loss can exceed the policy limit even when coverage applies, especially in facilities serving agricultural aviation operators or helicopter hangars.
- Failing to account for hangar design planning requirements, including proper aircraft clearance, wingspan considerations, aircraft tail height, hangar width, and wide aircraft clearance needs during construction review and engineering approval processes.
- Not verifying compliance with local zoning, airport regulations, and aviation safety standards before airplane hangar construction begins, leading to coverage disputes over regulatory violations.
How to Explain Aircraft Hangar Coverage to a Client
Explaining aircraft hangar coverage to a personal lines client
If you keep your personal plane in a private aircraft hangar you rent from someone else, your own aircraft policy usually needs to cover the plane itself, since the hangar operator's insurance may not pay if something happens to your aircraft while it's stored there. It's worth asking the hangar operator directly whether they carry hangarkeepers liability, because that tells you how much protection you're really relying on. This applies whether you're renting space in a small plane hangar or a larger facility with multiple maintenance bays.
Explaining aircraft hangar coverage to a small business owner
If your business stores, services, or fuels aircraft that belong to other people in your airplane hangar, your general liability policy almost certainly will not pay if one of those planes gets damaged on your property. You need a separate hangarkeepers liability policy built specifically for that risk, and we can help size the limit based on how many aircraft you typically have on-site, what they're worth, and your airplane hangar dimensions. This is critical whether you operate training facilities, provide aviation maintenance services, or run fleet operations for private aircraft owners.
Explaining aircraft hangar coverage to a CFO or risk manager
Your airplane hangar operation creates a bailment exposure that sits entirely outside your standard CGL and property towers, since aircraft-related liability is excluded almost universally in commercial forms. We recommend a dedicated aviation package with hangarkeepers limits sized to your peak aircraft count and average per-unit value, and we should confirm your umbrella does not silently follow the same exclusion. This applies across all your facilities, whether you operate jet hangars with bi-fold hangar doors, steel airplane hangars with sliding hangar doors, or single-engine aircraft hangar space with clear spans and minimal support columns.
Frequently Asked Questions About Aircraft Hangars
Does a standard commercial property policy cover an aircraft hangar building?
A standard commercial property policy can cover the airplane hangar structure itself, including the concrete slab, structural steel framing, door systems, and electrical systems, but it typically will not cover aircraft stored inside that belong to someone other than the named insured. The building and its contents owned by the insured are separate exposures from third-party aircraft, which require hangarkeepers liability or an aviation-specific policy. Coverage considerations vary based on hangar construction methods, whether using steel structures, concrete foundation specifications, and site preparation quality.
What is hangarkeepers liability insurance?
Hangarkeepers liability insurance covers legal liability for damage to aircraft that are in the insured's care, custody, or control while stored, serviced, or fueled at the insured's airplane hangar. It responds when the aircraft owner is not at fault for the damage but the hangar operator's negligence, structural failure, equipment malfunction, or inadequate aircraft clearance caused the loss. This coverage is essential for operators of private hangars, rented hangars, and facilities serving aircraft maintenance companies.
Why does a general liability policy exclude aircraft?
A general liability policy excludes aircraft because carriers writing standard CGL forms do not underwrite aviation risk, which involves specialized federal regulation, high-value assets, and severity levels far beyond typical premises liability. The exclusion pushes aviation exposures toward carriers and forms specifically designed to price and manage that risk, whether for jet hangar operations, helicopter hangars, or facilities serving corporate aviation departments and charter companies.
Can an umbrella policy cover aircraft hangar liability?
An umbrella policy usually will not cover airplane hangar liability if the underlying CGL policy already excludes aviation exposure, since most umbrella forms follow the exclusions of the underlying policies they sit above. Coverage for aviation liability generally requires a standalone aviation policy or a specifically endorsed umbrella that removes the aircraft exclusion, regardless of hangar size or whether operating private aircraft hangar facilities.
How much hangarkeepers liability coverage does a hangar operator need?
The right limit depends on the number of aircraft typically stored at once and the average value of each aircraft, since most hangarkeepers policies apply a per-aircraft sublimit within an overall per-occurrence limit. An operator storing several high-value aircraft simultaneously needs a limit large enough to cover a total loss to more than one aircraft in a single event. Factors include aircraft type, wingspan requirements, whether serving jet hangars or smaller aircraft, hangar rental costs that reflect asset values, and whether the facility provides maintenance workspace or just aircraft storage.
Does hangarkeepers liability cover the hangar owner's own aircraft?
Hangarkeepers liability generally does not cover aircraft owned by the insured hangar operator, since the coverage is designed to address liability for damage to third-party property. The operator's own aircraft would need to be insured under a separate aircraft hull policy, protecting against weather exposure, UV damage, and other perils.
What construction factors affect airplane hangar insurance?
Insurance carriers evaluate hangar design elements including clear spans that eliminate interior support columns, track system quality for door systems, fire resistance of building materials, wind resistance of steel structures, grading and drainage for site preparation, utility access for electrical systems, and compliance with airport approvals. Proper hangar design planning, construction coordination, and engineering approval help ensure adequate coverage and may reduce premiums. Factors like runway clearance, taxiway access, taxi access patterns, and long roof spans also influence underwriting decisions for airplane hangar construction projects.
How does aircraft clearance affect hangar insurance?
Adequate aircraft clearance—including wingspan clearance, vertical clearance for aircraft tail height, and hangar width sufficient for the largest aircraft type stored—is critical for both safety and insurance purposes. Insufficient clearance increases the likelihood of damage during aircraft movement, which can lead to claims. Insurers may request airplane hangar dimensions and verification of wide aircraft clearance capabilities during underwriting, particularly for facilities storing multiple aircraft types or operating jet hangar space for larger aircraft.
Related Insurance Terms
- Hangarkeepers Liability: Specialized aviation liability coverage that pays for damage to third-party aircraft in the insured's care, custody, or control, directly filling the gap left by the aircraft exclusion in standard policies covering airplane hangar operations.
- Care, Custody, and Control Exclusion: A common liability exclusion barring coverage for damage to property in the insured's physical possession, which is the legal principle underlying why standard policies exclude stored aircraft in private hangars and rented hangars.
- Aviation Liability Insurance: A broader category of liability coverage addressing aircraft ownership, operation, and premises exposures, of which hangarkeepers liability is one specific component, serving aircraft restoration facilities, training facilities, and fleet operations.
- Fixed Base Operator (FBO): A business authorized to operate at an airport providing services like fueling, maintenance, and hangar storage, making it one of the most common purchasers of hangarkeepers coverage for their jet hangars and maintenance facilities.
- Aircraft Products Exclusion: A CGL exclusion, addressed by forms like CG 21 09, that removes coverage for products liability related to aircraft parts or components, often paired with the broader aircraft exclusion affecting airplane hangar operators and parts storage facilities.
- Bailment: A legal relationship where one party temporarily holds another's property, forming the basis for why airplane hangar operators face liability exposure for aircraft they do not own, whether in private hangars or commercial facilities.
Sources and References
- International Risk Management Institute (IRMI). Hangarkeepers Liability Insurance.
- International Risk Management Institute (IRMI). Aircraft Insurance.
About the Author
Justin Goodman, CIC, CCIP, CISC, CLCS, CRIS, PCIA, QCLS, MFHR
CEO and Co-Founder, Total CSR, Inc.
Justin Goodman is a third-generation insurance broker with over two decades in agency operations. He has trained more than 50,000 CSRs, account managers, and producers in commercial and personal lines coverage, from workers' compensation to construction risk. He was named 2024 Insurance Journal Agent of the Year and one of the nation's top five construction insurance experts by Risk & Insurance. He is the author of Retain, which applies cognitive science research on memory and knowledge transfer to insurance training, and speaks nationally on how agencies build durable technical expertise in their teams.