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Costing architecture, operations design, and regulatory compliance consulting for private aviation owners and operators in Australia, from PATL.
PATL turns the hard problems of a private aviation business — costing, operations, ownership structure, data, and regulatory obligations — into documented operating models that match what your crews, dispatchers and accountants actually do.
Get started →15 years of leadership across military, commercial, and business aviation held by Ray Wilson, PATL's IS-BAO Stage 3 auditor. IS-BAO Stage 1, 2, and 3 audit and preparation support, plus IS-BAH set-up. L'VOYAGE's Hong Kong operator network since 2014 feeding into every engagement.
PATL builds costing, operations, and regulatory work as one architecture, so your cost models, your procedures, and your daily workflow describe the same operation. Compliance with CASA's framework and an IS-BAO Stage 3 auditor's standards is one part of that architecture, not the whole of it.
| Hard problem | What PATL delivers |
|---|---|
| Costing architecture | Cost models that reconcile quotes to actuals |
| Operations design | Documented workflows that reconcile manuals, procedures and field operations |
| Financial and ownership structure advisory | Guidance for owners and ownership groups |
| Data integration | Operating rules turned into software for real-time visibility |
| Regulatory and compliance support | AOC exposition, key-personnel structure, IS-BAO audit preparation under CASA's Part 119 framework |
PATL scopes work to the fleet, bases and partners you actually have. A single-aircraft start-up needs lean documentation and a cost model its people can run. A multi-registry operation moving aircraft between the VH- register and Asian registries needs procedures and costing that satisfy each authority without duplicating effort.
As one part of the wider consulting engagement, PATL supports the AOC exposition and key-personnel structure for CASA's Part 119 framework, IS-BAO Stage 1, 2, and 3 set-up, preparation and audits, and IS-BAH set-up for FBOs and ground handlers. Ray Wilson brings multi-registry AOC compliance expertise to this work.
| Stage | What the auditor checks | PATL's role |
|---|---|---|
| IS-BAO Stage 1 | SMS established and in place | Gap analysis, manual build, preparation |
| IS-BAO Stage 2 | Safety risk management working in practice | Process design, evidence trails, mock audits |
| IS-BAO Stage 3 | SMS embedded in organisational culture | Audit by an IS-BAO Stage 3 auditor |
| IS-BAH | Ground handling SMS and procedures | Set-up and preparation for FBOs and handlers |
Single-discipline firms solve one layer and hand you the integration problem. Pure-audit firms find gaps, pure-strategy firms write recommendations, and pure-training firms train against manuals someone else wrote. PATL designs the operation, structures the costing, builds the data tools that monitor it, and keeps it audit-ready, all within one confidential engagement.
No. Compliance under CASA's Part 119 framework is one of several services. PATL also builds costing architecture, designs operations, advises on financial and ownership structures, and builds data integration tooling.
Yes. PATL's costing architecture service designs cost models that reconcile quotes to actuals, so operators can see where variance enters: fuel, handling, crew, positioning or fees.
Yes. Multi-registry AOC compliance is a core PATL capability, led by Ray Wilson, an IS-BAO Stage 3 auditor with 15 years of aviation leadership. PATL builds one procedural framework and maps it to each registry's requirements.
Yes, ground handlers and FBOs are a PATL expansion focus. In Europe, Commission Delegated Regulation (EU) 2025/20 and Commission Implementing Regulation (EU) 2025/23 apply from 27 March 2028, and EASA guidance recognises IBAC's IS-BAH as an industry standard, connecting directly to PATL's IS-BAH preparation service.
Yes. PATL is independent and strictly confidential. Client data, cost architectures and operational strategies stay secure and are never shared across engagements.
Private Aviation Technology Ltd. (PATL) is an independent consulting firm that solves the technical and regulatory hard problems underneath private aviation, including costing architecture, operations design, AOC compliance, and IS-BAO/IS-BAH auditing. It serves aircraft owners, private flight departments, and operators from single-aircraft startups to multi-registry fleets, with FBOs and ground handlers as an expansion focus. PATL is the sister company of L'VOYAGE, a Hong Kong-based private aviation consultancy and travel agency founded in 2014, and draws on that operator network and regulatory experience across its engagements.