Standards · Edition II · September MMXXVI · 7 min
viii. Ramp · three standards, one tail
ARGUS, Wyvern, and IS-BAO come up constantly in charter safety conversations, but they aren't interchangeable labels. Comparing them as three versions of the same rating leads to mistakes. ARGUS combines data verification and audit products for charter operators. Wyvern applies its Wingman Standard and its own verification tools. IS-BAO is a voluntary standard for good practice and SMS in business aviation.
| Program | Primary focus | What the buyer must confirm |
|---|---|---|
| ARGUS | Registry, verification, and operator audits | Current level, scope, operator, and aircraft |
| Wyvern Wingman | Process audit — SMS, training, maintenance, controls | Active certification and verification applicable to this flight |
| IS-BAO | Management system and safety maturity | Registration, stage reached, and applicability to this provider |
ARGUS CHEQ is an operator database; TripCHEQ is a flight-rating tool that verifies crew, aircraft, operating certificate, operational control, and relevant background. It matters not to confuse a CHEQ or TripCHEQ lookup with a full audit of the management system.
ARGUS also runs tiered audits. Its own description of the audit ecosystem distinguishes an initial requirements check from an on-site Platinum audit, which examines SMS, emergency response planning, operational control, administration, training, and maintenance. Findings have to be corrected, and Platinum renews every two years.
Wyvern Wingman, for its part, is a certification based on conformance to the Wingman Standard. The audit reviews operational history, SMS, culture, internal evaluation programs, pilot and aircraft records, training, maintenance, and documentation. Standard certification goes through an initial audit and recurring audits every 24 months; certain programs add continuous monitoring on top.
IS-BAO works differently. IBAC defines it as a voluntary standard built specifically for business aviation, with a framework for operating processes, best practice, and SMS. Its stages reflect maturity: Stage 1 confirms the SMS infrastructure exists, Stage 2 evaluates whether risk is managed effectively, and Stage 3 verifies integration and a culture that holds up over time.
That creates a practical difference. IS-BAO can be especially informative for a flight department or a corporate operation, while a charter buyer also needs to confirm that the entity selling the flight is authorized to carry passengers for compensation, and that the aircraft and crew fall within the right operating scope. An IS-BAO registration doesn't replace a commercial-transport certificate.
It also doesn't follow that one program is abstractly "better." The value depends on the question. For a charter operation, a gatekeeper may want to verify authority, operational control, history, crew, aircraft, maintenance, SMS, and response capability. Each program covers a different combination — none of them removes the need to check the specific flight.
How to read an answer
Asking "do you have ARGUS or Wyvern?" is a starting question, not a conclusion. The follow-up should be: which level, which entity, which tail number, which expiration date, and which product was used for this flight. For IS-BAO, add: which stage, and which operation is covered.
A mature answer separates four layers: regulatory compliance, independent audit, flight-specific verification, and contractual or insurance control. If the broker collapses all four into the word "certified," they're simplifying exactly the information the risk committee needs.
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