
FAA — Part 135
14 CFR § 135.107: a certificate holder may not operate an aircraft with a passenger seating configuration of more than 19 (excluding pilot seats) without a flight attendant crewmember on board.
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Status depends on the rule, not the uniform.
Whether a person is legally treated as a required safety crewmember depends on the applicable civil aviation framework — the aircraft, its passenger seating configuration, the type of operation, the operator and the jurisdiction. This page is general orientation, not legal or regulatory advice. Requirements depend on the aircraft, its configuration, the type of operation, the operator and the jurisdiction — always confirm against the rule that applies to the specific operation.

14 CFR § 135.107: a certificate holder may not operate an aircraft with a passenger seating configuration of more than 19 (excluding pilot seats) without a flight attendant crewmember on board.

14 CFR § 91.533 applies to Part 91 Subpart F operations; for example, airplanes with more than 19 but less than 51 passengers on board require one flight attendant.

For aircraft with a maximum operational passenger seating configuration (MOPSC) of more than 19, at least one cabin crew member shall be assigned when carrying passengers.

Each authority applies its own rules and certification requirements — confirm against the regulation in force for the operation.
When is a cabin crew member legally a required crewmember?
Identify the aircraft and its passenger seating configuration
Identify the type of operation (e.g. private or commercial)
Identify the authority and rule that applies
Confirm required crew and training obligations
It depends. Under FAA and EASA rules, the thresholds above relate to passenger seating or passengers carried; smaller aircraft and some operations may not require one. Always check the rule that applies.
No. EDAERO does not determine regulatory status or eligibility. The operator remains responsible.
Speak directly with EDAERO about your mission.