11. How do I verify a private jet charter operator?

Check the operating carrier and the aircraft, not only the seller’s name or the aircraft’s registration record. The FAA’s Part 135 Operators and Aircraft List is searchable by operator or N-number, is described as updated weekly, and identifies certificated operators and aircraft authorised for charter. (faa.gov)

Recommended sequence:

1. Obtain the operating carrier’s legal name, trading name and certificate details.
2. Obtain the allocated aircraft registration when available.
3. Check both against the FAA resource.
4. Save the evidence and date of the check.
5. If an operator or aircraft is absent, contact the relevant FAA Flight Standards District Office to verify status; the FAA expressly recommends this escalation. (faa.gov)

Then request the remaining procurement evidence: applicable insurance, mission confirmation, relevant safety-review information and substitution arrangements.

A missing listing is a question to resolve—not an automatic finding that the operation is unlawful. Equally, a registration certificate alone should not be accepted as the complete charter-authority check.

The FAA advises consumers to request an operator’s Air Carrier or Operating Certificate and warns against evasiveness about authority. If the operator will not provide the required evidence, its consumer guidance recommends finding one that will. (faa.gov)