Aircraft Bonus Depreciation: Eligibility & 2026 Rules

Last reviewed: October 13, 2026 | Tax year: 2026 | Jurisdiction: United States

Aircraft bonus depreciation can help eligible U.S. businesses claim accelerated tax deductions when they purchase qualifying business aircraft. The deduction depends on the aircraft type, acquisition date, placed-in-service date, qualified business use, and applicable tax law. By understanding these requirements before buying a private jet, business owners can plan their tax position, maintain accurate records, and reduce the risk of unexpected tax liabilities.

Aircraft purchases involve significant financial commitments. Therefore, buyers should understand the tax rules before signing a purchase agreement or arranging delivery. A well-planned acquisition can support cash-flow forecasting, but a poorly documented transaction can create tax problems.

Under current federal law, certain eligible property acquired and placed in service after January 19, 2025, may qualify for 100% bonus depreciation. However, this benefit does not automatically apply to every aircraft or taxpayer.

This guide explains the principal federal rules, qualified business-use requirements, tax basis, documentation, and potential recapture issues that aircraft owners should evaluate in 2026.

Table of Contents

Aircraft Bonus Depreciation at a Glance

Potential deduction: Eligible property may qualify for a 100% special depreciation allowance.
Acquisition date: The applicable acquisition rules can determine eligibility.
Placed-in-service date: The aircraft must meet the relevant readiness and business-use requirements.
Business use: Aircraft owners must evaluate general and aircraft-specific use tests.
Documentation: Flight logs, passenger details, purchase records, and business purposes support the tax position.
Future consequences: Changes in use or a later sale may create depreciation recapture or other tax liabilities.

These points provide a starting framework. A taxpayer must still evaluate the facts and applicable law before claiming a deduction.

1. What Is Aircraft Bonus Depreciation?

Aircraft bonus depreciation is a federal tax provision that allows eligible taxpayers to deduct a qualifying portion of an asset’s depreciable basis earlier than they could under the regular depreciation schedule.

Normally, businesses recover the cost of qualifying property through depreciation deductions over time. Bonus depreciation can accelerate that deduction into the year the property meets the applicable placed-in-service requirements.

For a qualifying aircraft, this treatment may produce a substantial first-year deduction. That deduction can reduce taxable income and improve short-term cash flow, depending on the taxpayer’s circumstances.

However, a deduction is not the same as a cash refund. The actual tax benefit depends on taxable income, applicable tax rates, business structure, and other limitations.

For example, assume an eligible business claims a $2 million deduction and receives a tax benefit at an illustrative 30% marginal rate. The simplified tax benefit would equal $600,000. Actual savings may differ considerably.

Aircraft owners should therefore assess the deduction as part of a broader financial strategy rather than treating it as an automatic discount on the purchase price.
When evaluating a purchase, aircraft bonus depreciation should form part of a broader tax strategy. Business owners should compare the potential first-year deduction with future depreciation, cash-flow needs, qualified business use, and possible recapture if the aircraft’s use changes.

2. Aircraft Bonus Depreciation Rules for 2026

Federal bonus depreciation rules changed under the One Big Beautiful Bill Act, Public Law 119-21. Current federal law generally reinstates a 100% special depreciation allowance for qualifying property acquired and placed in service after January 19, 2025, subject to the statutory requirements.

This change is important for businesses planning aircraft purchases in 2026. Nevertheless, the relevant dates and eligibility requirements still matter.

Taxpayers must review the acquisition terms, property classification, placed-in-service date, and any restrictions that apply to their circumstances. Special provisions can also affect certain aircraft with long production periods.

Property acquired before January 20, 2025, may fall under different transition rules. Consequently, buyers should not assume that every transaction follows the same treatment simply because the aircraft enters service during 2026.

Before forecasting a large first-year deduction, review the current IRS guidance and the applicable provisions of the Internal Revenue Code.

3. Which Aircraft May Qualify?

Aircraft used in a qualifying business activity may qualify for depreciation under federal tax rules. The aircraft’s ownership, operational purpose, and actual use all matter.

Potential examples include:

An aircraft used to travel to customer meetings and business locations.
A qualifying aircraft operated in a commercial aviation business.
An aircraft used for legitimate company operations.
An aircraft that supports documented business activities and meets the relevant statutory requirements.

These examples do not guarantee eligibility. A private jet used mainly for personal vacations may receive different tax treatment from an aircraft used in a qualifying business operation.

The taxpayer must also determine the correct depreciable basis, recovery system, and applicable use restrictions.

Does every private jet qualify?

No. A private jet does not qualify automatically because a corporation owns it or because the buyer uses a business account to pay for it.

Before claiming a deduction, answer these questions:

Who owns the aircraft for federal tax purposes?
What business activities does the aircraft support?
When did the taxpayer acquire the aircraft?
When was it ready and available for its intended use?
Does the aircraft satisfy the applicable qualified business-use requirements?
Do other tax limitations or special rules apply?

A qualified tax advisor can assess these issues before the owner relies on a projected tax benefit.

4. Why the Acquisition Date Matters

The acquisition date can affect which bonus depreciation rules apply. Purchase agreements, deposits, payment arrangements, and delivery documents may all help establish the transaction timeline.

However, no single document necessarily determines eligibility in every case.

Certain aircraft transactions may qualify for special rules involving long production periods. Those provisions have specific statutory requirements, which can include conditions relating to production time, cost, and purchase deposits.

Aircraft buyers should retain:

Signed purchase agreements and amendments.
Deposit receipts and payment confirmations.
Manufacturer or seller correspondence.
Delivery and acceptance documents.
Evidence of the aircraft’s production timeline, where relevant.
Records showing when the buyer entered into the acquisition arrangement.

These records help the tax advisor establish the relevant facts and evaluate the correct treatment.

Practical tip: Review the acquisition documents before closing, especially when the manufacturer expects delivery near the end of a tax year.

5. Understanding the Aircraft Placed-in-Service Date

The aircraft placed-in-service date is another critical consideration. Purchasing an aircraft or taking delivery does not necessarily establish that it has entered service for tax purposes.

Generally, property enters service when it is ready and available for its specifically assigned business use. The taxpayer must evaluate the actual circumstances.

For example, an aircraft delivered in December might still require inspections, equipment installation, or other work before it can perform its intended business function.

Keep records such as:

Delivery and acceptance certificates.
Maintenance and inspection documents.
Relevant airworthiness records.
Crew and operational readiness records.
Evidence of the aircraft’s first availability for business operations.
Dispatch schedules and operational documentation.

These records should reflect what actually happened. A taxpayer should never choose a placed-in-service date merely to secure a preferred deduction.

The correct date helps establish the tax year in which depreciation may begin.

6. Qualified Business Use: The Rules Aircraft Owners Must Understand

Business use plays a major role in aircraft tax planning.

For aircraft subject to the listed-property provisions, the Internal Revenue Code generally requires more than 50% qualified business use for accelerated depreciation under the applicable rules. Aircraft also have a separate statutory test involving at least 25% qualified business use that is not within certain related-party or owner-use exclusions.

These are distinct requirements. Meeting one does not automatically satisfy the other.

Aircraft owners must classify business travel, personal trips, entertainment-related travel, owner use, and related-party use correctly. The legal treatment depends on the facts and applicable provisions.

What counts as qualified business use?

Qualified business use generally involves using the aircraft in the taxpayer’s trade or business. The actual purpose of each trip matters.

Examples may include travel to a business location, visits to customers or suppliers, or transportation required for documented business operations.

However, a trip does not become business use simply because a business owner travels on the aircraft. A primarily personal trip needs to be classified according to the applicable rules, even when the owner also conducts a brief business activity during the journey.

For mixed-purpose trips, the taxpayer may need to evaluate individual flight legs, passenger relationships, and the purpose of the travel.

How do related-party rules affect eligibility?

Special rules may apply when an aircraft serves a significant owner, a related person, or a party receiving use as compensation.

A company should not assume that every flight by its owner, family member, employee, or related entity counts toward the required business-use percentage.

Instead, it should document the relationship, purpose, compensation arrangements, and circumstances of each flight. A tax professional familiar with aircraft transactions can determine the proper classification.

7. Calculating the Aircraft Tax Basis

The aircraft tax basis forms the starting point for depreciation calculations. It may differ from the advertised purchase price because certain additional costs may require capitalization.

Depending on the transaction, the basis may include the purchase price and qualifying costs necessary to acquire or prepare the aircraft for its intended use. Other expenses may require separate treatment.

Review records for:

Aircraft purchase price.
Qualifying acquisition and closing costs.
Eligible installation or modification costs.
Other costs that tax rules require the taxpayer to capitalize.
Adjustments for credits, reimbursements, or other applicable provisions.

Do not automatically add every expense to the depreciable basis. The correct treatment depends on the nature of each cost and the applicable rules.

Illustrative aircraft tax basis calculation

Assume a company purchases an aircraft for $4 million and incurs $100,000 in additional costs that its tax advisor determines belong in the depreciable basis.

Item	Illustrative amount
Aircraft purchase price	$4,000,000
Eligible capitalized costs	$100,000
Preliminary depreciable basis	$4,100,000

If the entire $4.1 million qualifies for 100% bonus depreciation and no other limitation applies, the potential special depreciation allowance could equal $4.1 million.

This example illustrates the calculation only. Personal use, business-use restrictions, basis adjustments, elections, and other provisions can change the result.

8. How Business Use Affects the Deduction

Even when an aircraft meets the general requirements for bonus depreciation, qualified business use can affect the available deduction.

Suppose a company records 100 units of aircraft use during a tax year. Seventy units qualify as business use, while 30 units represent personal or other nonqualifying use. Assuming the units and classifications are appropriate, qualified business use would equal 70%.

That percentage alone does not prove eligibility. The taxpayer must also evaluate the separate aircraft test and other applicable requirements.

If qualified business use fails to exceed the relevant threshold, the taxpayer may lose access to accelerated depreciation under the applicable rules and may need to use the alternative depreciation system.

A later reduction in business use can also trigger recapture.

For that reason, maintain detailed flight records and review the classifications throughout the year rather than waiting until tax preparation begins.

9. Documentation Every Aircraft Owner Should Maintain

Accurate records help support the original deduction and demonstrate whether the aircraft continues to meet the applicable requirements.

For each flight, record:

Date and route.
Departure and arrival locations.
Passenger names and business relationships.
Purpose of the trip.
Classification of each flight leg.
Personal, entertainment-related, or other nonqualifying use.
Supporting business documents.

Supporting documents may include meeting agendas, customer appointments, conference details, project records, and other contemporaneous evidence.

Also retain the purchase agreement, invoices, payment records, basis calculations, depreciation schedules, and relevant tax elections.

A flight log that records only departure and arrival locations may not provide enough information to support the business-use classification.

Build a consistent recordkeeping process

A repeatable process works better than reconstructing flight details at year-end.

Assign responsibility for recording trips, collecting passenger information, documenting business purposes, and reviewing classifications. Reconcile the records regularly with the flight department and accounting system.

If the aircraft has mixed business and personal use, investigate questionable trips before preparing the tax return.

Good documentation cannot guarantee eligibility, but it helps substantiate the facts behind the tax position.

10. Comparing Bonus Depreciation With Other Tax Methods

Bonus depreciation is not the only method that can affect an aircraft’s depreciation schedule.

MACRS depreciation: The Modified Accelerated Cost Recovery System lets eligible taxpayers recover property costs over the applicable recovery period.

Section 179 expensing: A separate election may let eligible taxpayers expense qualifying property, subject to statutory requirements and limits.

Alternative depreciation system: ADS applies in specified circumstances, including certain situations involving business-use requirements.

Regular depreciation: Depending on eligibility and applicable rules, a taxpayer may deduct depreciation over time rather than claim the maximum available accelerated deduction.

These methods are not interchangeable. Elections can affect future deductions, so taxpayers should consider taxable income, future investments, expected aircraft use, and other tax factors.

When comparing tax strategies, aircraft bonus depreciation should be evaluated alongside regular MACRS depreciation, Section 179 expensing, and potential future recapture. A tax advisor can assess the available options based on the aircraft’s expected business use, acquisition terms, and the owner’s broader financial position.

Read more about business aircraft tax deductions to understand how depreciation fits into a broader aircraft tax strategy.

11. What Is Aircraft Depreciation Recapture?

Aircraft depreciation recapture is a potential tax consequence when the taxpayer must include previously deducted depreciation in income because of a later event or a change in use.

For example, an aircraft may initially meet the qualified business-use requirements. If qualified business use later falls to 50% or less during a relevant period, the taxpayer may need to recapture excess depreciation under the applicable rules and change the depreciation method going forward.

A later sale can also create tax consequences. Depending on the amount realized, adjusted basis, and applicable provisions, some or all of the gain may qualify as ordinary income under depreciation recapture rules.

The outcome depends on the transaction and the applicable tax provisions. Recapture is not the same as the general capital gain calculation, and not every sale produces the same result.

Before buying or selling an aircraft, consider both the initial deduction and the potential future tax treatment. This is especially important when the owner expects business use to change or plans to sell the aircraft within a relatively short period.

For related guidance, see our article on aircraft tax planning.

12. Common Mistakes to Avoid

Aircraft owners can undermine their tax position by overlooking basic requirements.

Assuming the purchase guarantees a deduction. Eligibility depends on the facts and applicable law.

Ignoring the placed-in-service date. A signed agreement or delivery date does not always prove that the aircraft was ready for business use.

Treating every owner flight as business use. Document the genuine purpose of each trip.

Overlooking related-party rules. Owner use, related-party arrangements, and compensation can affect the analysis.

Using an unsupported tax basis. Review each cost before including it in the depreciable basis.

Failing to monitor business use. A later change in use can affect depreciation and trigger recapture.

Planning only for the first year. Future sales, changing operations, and other deductions can influence the overall tax result.

A documented acquisition and operating plan helps identify these issues before they become expensive problems. For additional guidance, review our page on private jet tax deductions.

13. A Practical Aircraft Purchase Tax Strategy

A sound aircraft purchase tax strategy starts before the buyer signs the final documents.

Step 1: Review ownership and operations

Determine how the aircraft will be owned and operated. Tax treatment may differ depending on whether the taxpayer holds the aircraft directly, through a business entity, or under a leasing arrangement.

Step 2: Confirm the acquisition timeline

Review the acquisition documents and expected delivery date. Establish when the aircraft will become ready and available for its intended use.

Step 3: Forecast qualified business use

Identify expected trips, passengers, business purposes, and potential personal use. Evaluate the aircraft-specific requirements and rules that apply to owners and related parties.

Step 4: Calculate the potential deduction

Estimate the depreciable basis and compare the available tax methods. Consider whether the deduction may be limited and whether future changes in use could trigger recapture.

Step 5: Establish recordkeeping procedures

Create a process for recording each flight before the aircraft begins operating. Make sure the flight department, accounting team, and tax advisor can follow the same procedure.

This approach connects the tax analysis with the aircraft’s actual use. It also helps business owners evaluate the financial impact beyond the first year.

For ownership and transaction considerations, see our guide to aircraft tax structuring.

14. Frequently Asked Questions

Is 100% aircraft bonus depreciation available in 2026?

Certain qualified property acquired and placed in service after January 19, 2025, may qualify for a 100% special depreciation allowance under current federal law. However, aircraft-specific requirements and other limitations can apply.

Does every private jet qualify for bonus depreciation?

No. Eligibility depends on the aircraft, acquisition terms, placed-in-service date, qualified business use, and applicable tax rules. A personal-use aircraft does not qualify automatically because a business entity owns it.

Does an aircraft need to enter service in 2026?

The applicable tax year depends on the acquisition and when the aircraft becomes ready and available for its intended business use. An aircraft purchased in one year may not enter service until a later year.

What is the 50% business-use test?

For aircraft subject to the relevant listed-property rules, qualified business use generally must exceed 50% to use accelerated depreciation under those provisions. Aircraft also have a separate statutory test involving at least 25% qualified business use outside certain excluded uses. Taxpayers must review both tests.

Can personal use affect aircraft depreciation?

Yes. Personal and other nonqualifying use can affect the business-use calculation and available depreciation treatment. A later change in qualified business use may also create recapture consequences.

Can an aircraft owner claim Section 179 instead?

Potentially, if the taxpayer and property satisfy the relevant requirements. Section 179 has its own eligibility rules and limits. A tax advisor can compare it with other depreciation methods.

What records should an aircraft owner keep?

Maintain acquisition documents, basis calculations, placed-in-service evidence, flight logs, passenger information, business-purpose records, depreciation schedules, and relevant tax elections.

Does bonus depreciation guarantee tax savings?

No. Bonus depreciation provides a deduction that may reduce taxable income. The actual benefit depends on the taxpayer’s circumstances, applicable rates, and other tax rules.

Conclusion

Aircraft bonus depreciation can play an important role in planning a qualifying business aircraft purchase. Under current federal law, certain eligible property acquired and placed in service after January 19, 2025, may qualify for a 100% special depreciation allowance.

However, eligibility is not automatic. Aircraft type, acquisition terms, placed-in-service timing, qualified business use, tax basis, and documentation all matter. Owners should also consider potential depreciation recapture when business use changes or the aircraft is sold.

The most reliable approach is to review the transaction before closing, maintain accurate flight records, and coordinate the tax analysis with a qualified U.S. tax professional experienced in aircraft transactions.

For a broader overview of aircraft-related tax considerations, read our complete aircraft tax guide.

Official tax resources

Important tax disclaimer

Aircraft bonus depreciation is not automatic. Eligibility may depend on aircraft type, acquisition terms, the placed-in-service date, qualified business use, the applicable tax year, and federal or state law. This article provides general educational information and does not constitute individualized legal, accounting, or tax advice. Consult a qualified tax professional before purchasing an aircraft or claiming a deduction.