Pre-Buy Inspection: What to Check Before Buying a Private Jet (2026 Guide)
- May 27
- 4 min read
A pre-buy inspection is the single most important step in any private jet purchase. It is the moment between offer and commitment where the aircraft's true condition is independently verified — and where the difference between a good transaction and an expensive mistake is established. This guide explains what a pre-buy inspection covers, who conducts it, what it costs, and what happens when problems are found.
What Is a Pre-Buy Inspection?
A pre-buy inspection (PBI) is a detailed technical review of an aircraft conducted by an independent maintenance organisation, at the buyer's request and expense, before a purchase is finalised. It is not the same as a regular scheduled maintenance check — it is a buyer-commissioned audit designed to reveal the aircraft's true condition and identify anything the seller has not disclosed.
The inspection is physically independent from any maintenance organisation associated with the seller. This independence is not optional — a PBI conducted by the seller's own maintenance provider has a fundamental conflict of interest and is not recognised as adequate due diligence by most brokers or financiers.
Who Conducts a Pre-Buy Inspection?
A pre-buy inspection must be carried out by a maintenance organisation approved under the applicable regulatory framework (EASA Part 145 in Europe, FAA Repair Station in the US, or equivalent). The buyer — or their broker — typically selects the MRO (Maintenance, Repair & Overhaul) facility. For aircraft types with specialist requirements (e.g. Gulfstream, Bombardier, Dassault), manufacturer-authorised service centres are often preferred.
What Does a Pre-Buy Inspection Cover?
A thorough pre-buy inspection covers:
Airframe inspection — physical condition of the fuselage, wings, control surfaces, and structure. Any evidence of repairs, corrosion, or damage history
Engine borescope inspection — internal visual inspection of turbine engine components using a borescope camera. Identifies wear, erosion, or damage not visible externally
Avionics review — verification that all avionics and navigation equipment are functioning correctly and current with applicable software versions
Logbook and technical record audit — review of all maintenance logs, airframe and engine logbooks, Supplemental Type Certificate (STC) documentation, and modification records
Airworthiness Directive (AD) compliance — confirmation that all mandatory ADs applicable to the airframe, engines, and components have been complied with
Service Bulletin review — identification of any outstanding manufacturer service bulletins and their status
Interior and cabin systems — condition of cabin interior, in-flight entertainment, galley, lavatory, and pressurisation systems
Landing gear and brakes — inspection and wear assessment
How Long Does a Pre-Buy Inspection Take?
A comprehensive pre-buy inspection typically takes 3–7 working days depending on aircraft complexity, the MRO's workload, and whether any findings require further investigation. For heavy jets or aircraft with complex histories, allow up to two weeks. The aircraft must be made available at the chosen MRO facility for the duration.
What Does a Pre-Buy Inspection Cost?
Costs vary by aircraft type and the scope of inspection agreed. As a general guide:
Light jets — approximately €3,000 to €8,000
Midsize jets — approximately €6,000 to €15,000
Heavy jets — approximately €12,000 to €30,000+
These costs are paid by the buyer and are non-refundable regardless of outcome — they are the cost of due diligence, not a deposit. In the context of an aircraft purchase of €1M–€50M+, they represent a modest insurance premium.
What Happens If Problems Are Found?
This is the pre-buy inspection doing its job. When findings emerge, the buyer typically has three options:
Renegotiate the price — findings that represent future cost are reflected in a reduced purchase price. This is the most common outcome for minor to moderate findings.
Require the seller to rectify — the seller agrees to remedy specific findings before closing. Common for clear maintenance deferrals or AD items.
Walk away — for significant undisclosed damage, fraudulent records, or structural issues, the buyer withdraws from the transaction. Deposits held in escrow are typically returned in this scenario.
A good broker prepares the buyer for this process in advance and manages the negotiation around findings professionally.
Frequently Asked Questions
Can the seller's maintenance organisation conduct the pre-buy inspection?
No — this creates a direct conflict of interest. The pre-buy must be conducted by an independent MRO with no existing relationship to the seller. Your broker will recommend suitable independent facilities for the aircraft type.
What is a records review and is it part of the pre-buy?
A records review is typically the first phase of a pre-buy inspection — the inspector audits all technical documentation, logbooks, and maintenance records before the physical inspection begins. Discrepancies in records can be as significant as physical findings. A thorough records review is not optional.
Does a clean pre-buy guarantee the aircraft is problem-free?
A pre-buy inspection significantly reduces risk but cannot guarantee zero future issues — no inspection of any asset can. What it does is verify the aircraft's condition at a specific point in time and confirm that its technical records are accurate and complete. It is the industry-standard level of due diligence for a reason.
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