For discerning travelers who fly privately, the regulatory framework governing your flight is not a technicality—it is the foundation of your safety, legal protection, and peace of mind. Advisory Circular 120-12A provides guidelines for private carriage and distinguishes between private and common carriage operations, directly shaping how every private aviation flight in the United States is classified, certified, and overseen.
Executive Overview of AC 120-12A for Private Jet Users
AC 120-12A is the Federal Aviation Administration's primary guidance document for determining whether an operation that moves persons or property for compensation or hire constitutes private carriage or common carriage, and that classification analysis helps determine whether proposed transportation operations are private or common carriage. The clarification between common and private carriage affects operating rules and safety standards—from the type of certificate an operator must hold to the pilot training, maintenance programs, and insurance required for each flight.
For the aircraft owner considering billing clients, the corporate flight department weighing its obligations, or the executive choosing between ad-hoc charter and a Jet Card, this advisory circular is the document the FAA turns to first, and those distinctions stem from FAA interpretation under the Federal Aviation Act. Misclassifying operations can trigger enforcement actions, mandatory certification as a common carrier, and serious insurance and IRS exposure.
The core questions AC 120-12A asks are straightforward:
Are you carrying persons or property for compensation or hire?
Are you holding out to the public-or a segment of the public—as willing to furnish transportation?
How many customers or contracts form the sole basis of your operator's business?
Who maintains operational control of the flight?
At BlackJet, every member flight is arranged through properly certificated commercial operators, so you never have to guess whether a trip qualifies as private or common carriage. The regulatory work is already done.
Background: What Is Advisory Circular 120-12A?
An advisory circular is an FAA publication that offers general guidelines and interpretive guidance without carrying the direct force of regulation. AC 120-12A sits within the AC 120 series, which governs air carriers, commercial operators, and operations conducted for compensation or hire.
Titled "Private Carriage Versus Common Carriage of Persons or Property," the circular has been in effect since 1964 in its original form; the current AC 120-12A revision was issued in 1986. The FAA uses AC 120-12A to interpret situations involving charter operations and leasing arrangements, and it helps prevent unauthorized commercial operations that lack certification. It affects compliance requirements for private aviation operations broadly.
Applies to operations that transport persons or property in interstate or foreign air commerce
Influences when an operator must hold an air carrier or commercial operator certificate
Addresses maximum payload capacity thresholds and airplane size, though its principles apply across aircraft categories
Core Legal Concepts: Persons or Property, Compensation or Hire, and Holding Out
AC 120-12A revolves around four elements that, taken together, determine classification. Understanding each is essential for anyone involved in private aviation—whether you own an aircraft, fly as a commercial pilot, or hold a commercial pilot certificate and conduct charter flights.
Persons or property encompasses passengers, baggage, cargo, and freight. If you transport persons or property from place to place on behalf of clients, you are within scope.
Compensation or hire is defined broadly. Direct payment for a flight is the obvious case, but indirect benefits—business value, reciprocal arrangements, even reimbursement of operating expenses—may constitute compensation. Private pilots sharing costs under § 61.113(c) operate under narrow rules; the moment money flows beyond genuine cost-sharing, scrutiny increases.
Holding out is the central divider. Common carriage involves holding out a willingness to transport to the general public or any interested segments of it. Even without mass advertising, reputation or repeated offers to a broad client base can constitute holding out. Operations may still be classified as common carriage even with limited customer segments if the pattern suggests a willingness to serve generally.
BlackJet members bypass this complexity entirely. As a structured, Jet Card–based provider, every flight is operated under established commercial frameworks-no ambiguity, no risk of misclassification.
Private Carriage vs Common Carriage in AC 120-12A
Under AC 120-12A, private carriage is basically limited, contract-based transportation for selected customers without holding out, but not all operations by air constitute private carriage simply because service is limited or contract-based. Common carriage is any operation where the operator holds out willingness to transport the public for compensation.
Private carriage typically involves:
A small number of long-term contracts—historical interpretations cite three contracts as a benchmark for private carriage
No advertising or public solicitation; bespoke, negotiated arrangements only
Whether an operator’s service is treated as private carriage depends on the facts and not just the label used by the operator, so economic authority turns on the actual arrangement
Often associated with corporate flight departments flying employees under Part 91
Common carriage requires:
Common carriage requires an operating certificate from the FAA—either an air carrier certificate or commercial operator certificate
Operators may need economic authority from the Department of Transportation
Operations classified as common carriage must comply with strict regulations under FAR Part 121 or Part 135
Cases with 18–24 contracts have been determined to involve holding out and thus constitute common carriage
Consider these scenarios:
A corporation flying only its employees on a company-owned airplane: typically private carriage under Part 91-no deal with outside parties, no holding out
An owner invoicing 10–15 outside clients for flights from the same airport: likely crosses into common carriage, requiring certification
A membership Jet Card program like BlackJet, where certified operators serve members under Part 135: fully compliant common carriage with all required safety oversight
AC 120-12A also intersects with aircraft size. Airplanes with 20-plus passenger seats or maximum payload capacity of 6,000 pounds or more trigger additional regulatory layers—requirements that sophisticated providers already integrate into their operations.
Practical Implications for Commercial Operators, Owners, and Jet Card Members
AC 120-12A translates into real decisions. If you are an aircraft owner weighing whether to bill a client for flight time, a corporate flight department assessing its obligations, or a traveler choosing between ownership and a Jet Card program, classification matters.
Operators should consult FAA guidance when unsure about classification to avoid misclassification risks. Invoicing clients for flights may classify operations as common carriage—even billing two or three outside parties without a Part 135 certificate can result in enforcement, because the key matter is how regulators evaluate the facts of the operation, not how the operator describes it. In the CSI Aviation case, DOT cease-and-desist orders threatened civil penalties up to $27,500 per violation per day.
The risks of grey charter include:
Certificate revocation, as seen in enforcement cases where operators lost airman credentials
Insurance policies voided when the true nature of operations is misrepresented
IRS and DOT exposure from operating as an uncertified air carrier
Involvement of real-time support and booking tools can influence perceived service availability, potentially reinforcing a holding-out determination
BlackJet eliminates this exposure for travelers. Every flight is operated by a properly certificated operator. Safety, maintenance, and crew standards meet or exceed the requirements applied to common carriers—so you fly with confidence, not compliance risk.
FAQs on Advisory Circular 120-12A and Private vs Common Carriage
Q1: What is the main purpose of Advisory Circular 120-12A?AC 120-12A provides FAA guidance to distinguish between private carriage and common carriage operations, helping determine the certification and regulatory requirements for air transportation involving compensation or hire.
Q2: How does AC 120-12A affect private jet travelers?It ensures that flights are operated under the correct regulatory framework, impacting safety standards, pilot qualifications, and insurance coverage, thereby protecting passengers and operators alike.
Q3: What is the difference between private carriage and common carriage?Private carriage involves limited, contract-based transport for selected customers without holding out to the public, while common carriage involves offering transportation services to the public or a broad segment for compensation.
Q4: Can invoicing clients for flights make an operation common carriage?Yes. Billing even a few outside clients without proper certification can lead to classification as common carriage, requiring an air carrier certificate and compliance with stricter regulations.
Q5: Does private carriage require economic authority as an air carrier?No. Private carriage does not require economic authority from the Department of Transportation, unlike common carriage which does.
Q6: How many contracts typically define private carriage?Historical FAA interpretations suggest that having three or fewer long-term contracts may qualify as private carriage, but the actual facts of the operation are decisive.
Q7: What risks come with misclassifying operations under AC 120-12A?Risks include enforcement actions, certificate revocation, voided insurance, and exposure to IRS and DOT penalties.
Q8: How does BlackJet ensure compliance with AC 120-12A?BlackJet partners only with fully certificated commercial operators who meet or exceed FAA safety and operational standards, eliminating risks related to misclassification.
Q9: How does AC 120-12A relate to aircraft size and payload?Aircraft with 20 or more passenger seats or payload capacity over 6,000 pounds trigger additional regulatory requirements, which AC 120-12A helps clarify.
Q10: What is "holding out" in the context of AC 120-12A?Holding out means offering transportation services to the general public or a segment of it, which typically classifies an operation as common carriage requiring certification.
Regulatory Context, Safety, and BlackJet's Compliance-First Approach
AC 120-12A sits within a broader ecosystem of Federal Aviation Administration guidance that governs air traffic safety, crew qualifications, maintenance, and operational control. Common carriers must meet higher safety standards, including pilot training and maintenance programs that go well beyond what purely private operations under Part 91 require.
BlackJet partners exclusively with operators who satisfy rigorous certification benchmarks. Precise flight planning and digital booking tools reduce unnecessary repositioning, while carbon-neutral operations address environmental considerations where advisory circulars like AC 120-12A remain silent.
In a regulatory landscape where misclassification carries real consequences, flying with a fully certificated provider is not convenience-it is strategy. Explore BlackJet's Jet Card options as a fully compliant alternative that blends common carriage safety with the privacy and flexibility of bespoke private air travel.
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