By invitation only

Kordial & Montrose

Total control of the aircraft as an asset. From the right airframe to the right moment to let it go.

We find the aircraft, keep it in form, audit what it costs to own, and decide when it should be replaced.

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An aircraft is not a transaction. It is a depreciating, regulated, highly contracted industrial asset. We take control of it on behalf of the principal.

Our Philosophy

Discretion above all.
Control underneath.

Private aviation fails in the quiet places: a missed record, an inflated workscope, a support programme that does not match the hours, a replacement delayed until the residual has already left.

We work only for the principal. Not the seller. Not the shop. Not the operator. The mandate is the asset — its identity, its condition, its contracts, and its timing.

We do not advertise inventory. We do not broker seats. We do not become the company we are supposed to supervise.

01 Privacy

Off-market where the market should not see the principal. Correspondence held. Names withheld. Files closed.

02 Custody

The owner remains the owner. We act as custodian of decisions that protect the asset and the balance sheet behind it.

03 Independence

Providers are selected, instructed, and replaced. They are not partners in the fee.

The Mandate

One instruction.
Total asset control.

Affiliation is not access to a catalogue. It is a standing instruction to govern an aircraft — or a small fleet — across its useful life.

Most owners assemble this work from separate desks: a broker to buy, a manager to operate, a shop to repair, a programme to cover engines, a lawyer to read the contract after it is signed. Cost and condition leak in the gaps.

We close the gaps. Search, technical standard, invoice integrity, support architecture, parts discipline, and replacement timing sit in one mandate, on one side of the table.

We do not broker hours. We govern the asset.

Asset Control

Every point where value leaves the airframe.

01 The right aircraft

The assignment is not to buy what is offered. It is to specify the airframe against mission, support network, remaining programme life, records quality, and residual path — then find that aircraft, including off-market, before it is dressed for a wider sale.

Scope: Specification · off-market approach · records screen · pre-buy architecture · acquisition

02 The asset in form

Condition is not a feeling at handover. It is a standard that has to survive shops, workscopes, and the temptation to defer. We set the technical bar, watch the work, and keep the aircraft in the state a later buyer — and a later you — will still pay for.

Scope: Technical standard · workscope control · shop selection · airworthiness discipline · cabin and systems condition

03 The cost of ownership

Invoices and contracts are where ownership is quietly taxed. We audit bills, challenge duplicate or elastic workpacks, and read operational agreements as commercial documents — not as stationery. Maintenance support agreements and spare-parts supply are negotiated to the aircraft’s actual utilisation, not to a brochure.

Scope: Invoice audit · operational contracts · support programmes · parts supply · AOG exposure

04 The moment to replace

Every aircraft has a point where holding it becomes the expensive choice: a shop visit, a programme cliff, a cabin that will not recover its cost, a market that will pay more now than later. We name that point with evidence, then run the next acquisition under the same control.

Scope: Residual watch · event calendar · hold-or-replace · disposal · next airframe

Principal’s side. Always.

We advise and we control. We do not operate the aircraft, and we do not take the place of a management company, or a maintenance organisation. Those providers remain in their lane. We select them, instruct them, audit them, and replace them when they fail the asset.

Select the provider.

Supervise the work.

Replace what leaks.

Membership remains capped. Figures describe advisory work, not advertised inventory.

The work

A mandate has a sequence.

I Specify — Mission, budget, residual thesis, support map. What the aircraft must be, and what it must never become.

II Acquire — Search, approach, technical discovery, contracts, close. Off-market when visibility would cost the principal.

III Hold — Condition standard, invoices, programmes, parts, operator and shop performance. The year after delivery is part of the acquisition.

IV Release — Replace when the file says so. Dispose with the same discretion as the purchase. Begin the next airframe without starting from zero.

Membership

Not for everyone.

Fewer than ten new principals are accepted in a year. The review is financial and personal: whether the asset will be treated as an asset, and whether the relationship can be conducted in confidence.

Affiliation is a mandate over an aircraft or a small fleet. It is not a listing feed, a charter desk, or a club for hours.

I Submit application II Confidential review III Mandate granted

All applications are read by the principals. We do not outsource judgement.

Questions we are prepared to answer

Plain definitions.

What is aviation asset control?

A standing mandate to govern an aircraft as an industrial asset: finding the right airframe, keeping it in condition, auditing invoices and operational contracts, arranging support agreements and parts supply, and deciding when the asset should be replaced.

Do you arrange charter or sell seats?

No. We do not broker hours and we do not market inventory. The work is ownership, not travel.

Do you manage the aircraft day to day?

No. Flight operations, Ground operations crewing, and if the principal desires even continuing airworthiness remain with the chosen operator. We follow the asset and stay on the principal’s side of those relationships.

What do you review after the aircraft is bought?

Technical condition against an agreed standard, maintenance workscopes, invoices, operational contracts, programme fit, spare-parts cover, and the calendar of events that will move residual value.

When should an aircraft be replaced?

When the cost of holding — shop events, programme changes, cabin and systems age, and the bid for that serial in the market — exceeds the cost of a controlled replacement. Not when a brochure cycle says so.

Is affiliation a public service?

No. Applications are by request, reviewed in confidence, and limited in number.

Apply for Affiliation

The file is read.
It is not circulated.

Tell us who you are, what you own or intend to own, and whether the mandate is acquisition, control of an aircraft already on the line, or replacement. We reply only when the application is complete.

Your information is held in confidence. We do not share data with third parties and we do not use applications as a marketing list.

KORDIAL & MONTROSE AVIATION ADVISORY

Aviation Asset Advisory
By invitation only

Mandate — Acquisition · Condition · Cost and contracts · Replacement

House — Philosophy · Affiliation · Privacy · Apply

© 2026 Kordial Holdings GmbH
Advisory only. We are not an operator, broker of charter, or maintenance organisation.
Applications and aircraft files are confidential to the principals.