Part 135 Charter Companies: How They Work, Why They Matter.

Private jet travel often feels like an exclusive club with complicated rules. But understanding how the industry actually works can unlock access to experiences that seem out of reach. At the center of legitimate on-demand private aviation sits one crucial designation: the Part 135 certificate.

This guide breaks down what Part 135 charter companies are, how the FAA regulates them, what drives their pricing, and how travelers can connect with these operators to access private jet services more affordably.

Key Takeaways

Part 135 charter companies are FAA-certificated on-demand air carriers that must meet strict safety, maintenance, and crew training standards. These regulations, codified in 14 CFR Part 135, govern everything from pilot qualifications to aircraft inspection schedules. The difference between a legitimate charter operation and an illegal “grey charter” often comes down to this certification.

Passengers should always verify a company’s Part 135 status before booking. This means asking for their FAA Air Carrier Certificate and Operations Specifications—particularly the D085 document that lists every aircraft approved for revenue flights. If an operator can’t produce these documents, that’s a red flag.

This article covers how to find legal Part 135 charter companies, understand safety oversight, decode pricing models, and explore ways to access cost-effective private jet travel through repositioning flights and other strategies.

What Is a Part 135 Charter Company?

A Part 135 charter company is an FAA-certificated on-demand or commuter air carrier operating under 14 CFR Part 135. This regulatory framework sits between Part 91 (private, non-commercial flight) and Part 121 (scheduled airlines like Delta or United). The distinction matters because it determines what level of oversight, training, and maintenance standards an operation must meet.

Part 121 carriers operate scheduled routes with large aircraft, consistent crews, and predictable flight patterns. Part 135 operators, by contrast, handle unscheduled, on-demand services using smaller aircraft—typically carrying fewer than 30 passengers. Think of the difference this way: Part 121 is the city bus running the same route every day, while Part 135 is the taxi service that goes where you need, when you need it.

Part 135 covers both passenger and cargo operations. This includes urgent medical transports (air ambulances, organ deliveries), critical cargo runs (automotive parts, lab samples), and executive travel. The flexibility of on-demand charter makes it indispensable for time-sensitive missions where commercial airline schedules simply don’t work.

Operations specifications (Ops Specs) issued by the FAA define exactly what each Part 135 company can legally do. These documents spell out approved routes, aircraft types, airports the operator can use, and any limitations on their certificate. An operator approved for VFR-only flights in light jets, for example, can’t suddenly start flying heavy jets into instrument-weather conditions.

A typical Part 135 mission might look like this: A CEO in New York needs to meet clients in Miami by noon, but there’s no convenient commercial option. A Part 135 operator provides a light jet departing at 7 AM from Teterboro, landing at Opa-locka Executive Airport by 10:30 AM—avoiding TSA lines, layovers, and the crowds at major airports. Alternatively, a medical lab in Chicago needs specimens delivered to a research facility in Nashville within hours. A Part 135 cargo operator dispatches a turboprop for the overnight run, ensuring the samples arrive before the morning shift.

Regulatory Framework: How FAA Part 135 Works

The regulatory framework under 14 CFR Part 135 establishes legal and safety standards that on-demand and commuter operators must follow. The FAA uses this framework to ensure aircraft operators maintain consistent safety practices, regardless of whether they’re flying a single King Air or managing a fleet of dozens of jets.

Crew Requirements and Training

Pilot qualification standards under Part 135 exceed those for private Part 91 operations. Crews must meet minimum flight hours and experience requirements before they can serve as pilot-in-command. Specifically, pilots must have at least 1,200 total flight hours, though many operators require more. Recurrent training is mandatory—pilots complete regular proficiency checks, including sessions with a check airman who evaluates their skills against FAA standards. Duty and rest limits prevent fatigue-related errors by capping how long crews can fly and ensuring adequate rest between assignments. Unlike Part 91, Part 135 allows pilots to be compensated for their services, reflecting its commercial nature.

Maintenance Standards

Every Part 135 operator must follow an approved maintenance program that specifies inspection intervals, required checks, and documentation procedures. Airworthiness directives (mandatory fixes issued by the FAA) must be complied with on schedule. Aircraft accumulate flight hours and cycles, and maintenance events are triggered by these metrics—not just calendar time.

FAA Oversight

The local Flight Standards District Office (FSDO) serves as the primary oversight body for Part 135 operators. FSDO inspectors conduct ramp checks (unannounced inspections), review training records, and approve the manuals that govern an operator’s procedures. Getting a Part 135 certificate typically takes 6-12 months of documentation, inspections, and proving flights before the FAA grants approval.

Aircraft Authorization

Each individual aircraft used in Part 135 service must be listed on the operator’s D085 Operations Specifications. This document is the master list of tail numbers approved for revenue flights. If an aircraft isn’t on the D085, it legally cannot be used to generate income through charter operations. Before any flight, the tail number should match what’s on the FAA’s records for that certificate holder.

Types of Part 135 Charter Companies

Part 135 certification covers a wide range of business models. The industry is comprised of everything from boutique jet charter firms operating a handful of light jets to large cargo specialists with fleets of freighters. Understanding these categories helps travelers and shippers find the right operator for their specific needs.

Passenger-Focused Private Jet Operators

These companies represent the classic “private jet charter” experience. Their fleets often include light jets (like the Citation CJ series or Phenom 300), midsize jets (Hawker 800, Learjet 60), super-midsize jets (Challenger 350, Citation Latitude), and large cabin aircraft (Gulfstream G550, Falcon 7X). They serve executives, families, and leisure travelers who value time savings, privacy, and the ability to access thousands of airports that commercial airlines don’t serve.

Cargo Part 135 Airlines

Among cargo operators, Ameriflight stands out as the largest Part 135 cargo airline in the nation. Ameriflight’s pilots, mechanics, and ground crews are rigorously trained to handle any challenge, delivering necessities, supplies, and aid to those who live off the beaten path. These critical cargo runs include urgent medical shipments, just-in-time inventory, and aircraft-on-ground parts that keep airlines flying.

AirNet is another key player, providing superior logistics and transportation services across the U.S. and Canada. Leveraging the strength and resources of its partner company, AirNet offers 24/7/365 coverage with two FAA Part 135 airlines, operating a fleet of 45 aircraft supported by 245 team members. Their specialization in time-critical transport means they respond immediately when time means life.

Specialized Operators

Air ambulance services, organ transport teams, and time-critical charter specialists operate under intense deadlines where minutes matter. These operators often maintain enhanced medical equipment, specialized crew training, and response protocols that allow them to launch on short notice—sometimes within the hour.

Hybrid Management/Charter Companies

Many aircraft owners place their planes with management companies that hold Part 135 certificates. The management company handles maintenance, crew, insurance, and compliance, while also offering the aircraft for on-demand charter when the owner isn’t using it. This model creates the empty leg flights that travelers can sometimes access at reduced rates.

Safety Culture and Best Practices in Part 135 Operations

Safety culture is essential for Part 135 operators and should be built on four key pillars: safety policy, risk management, safety assurance, and safety promotion. These pillars create a framework that ensures continuous improvement and vigilance in flight operations.

Operators maintain dedicated safety departments responsible for managing safety policies and procedures effectively. Regular audits and safety programs evaluate the effectiveness of risk control strategies, helping operators identify and mitigate hazards proactively.

Many Part 135 companies participate in voluntary safety programs such as ASAP (Aviation Safety Action Program) and CASS (Continuing Analysis and Surveillance System) to encourage proactive safety reporting and foster a non-punitive environment.

Industry organizations like the NBAA provide valuable resources and best practices to assist operators in complying with FAA guidance on operational control and certification. The NBAA also offers support for obtaining new Part 135 certificates and adding aircraft to existing certificates, helping operators maintain compliance and operational efficiency.

Leading operators like Solairus Aviation exemplify high safety standards. Solairus offers personalized aircraft management and private jet charter services tailored to individual travel and financial requirements. Operating a fleet of over 355 aircraft across more than 75 base locations in the United States, Solairus is ARG/US Platinum-rated, Wyvern Wingman Certified, and IS-BAO Stage Three certified—recognitions that demonstrate compliance with the highest industry best practices. The ARG/US Platinum rating follows an intense audit, while Wyvern’s database verifies operator information daily to ensure ongoing validation. IS-BAO certification is recognized globally as the standard for aircraft operations and safety.

Pricing Transparency and Regulatory Compliance

Operators must provide transparent pricing without hidden fees, clearly outlining all costs including landing fees, fuel surcharges, crew charges, and overnight fees. This transparency helps travelers make informed decisions and avoid unexpected expenses.

Part 135 offers superior flexibility and privacy compared to Part 121 airlines but incurs higher regulatory costs than Part 91 private flights. This balance reflects the commercial nature of Part 135 operations and the rigorous oversight involved.

How to Find and Verify Legitimate Part 135 Charter Companies

Due diligence is crucial before booking any private flight. The steps below help ensure you’re flying with a legitimate, properly certificated operator.

Ask the Right Questions

When evaluating any charter company or broker, start with this question: “Who is the direct Part 135 certificate holder operating this flight?” The answer should be a specific company name, not a vague reference to “our network” or “partner operators.” Request their Air Carrier Certificate number so you can verify it independently.

Verify Documentation

Cross-reference the operating company name against its d.b.a. listing in Ops Specs A001. Confirm that the aircraft tail number assigned to your flight appears on the operator’s D085 list. These documents are the ground truth for legal Part 135 operations. Any mismatch warrants further investigation before proceeding.

Use Available Resources

The FAA maintains databases where you can search for certificated operators and registered aircraft. This list is updated monthly and includes all aircraft operators and aircraft certificated under 14 CFR Part 135 for commuter or on-demand operations. Contacting the local FSDO can provide additional confirmation if needed. Third-party accreditation from bodies like ARGUS or Wyvern serves as a supplemental check—these audits evaluate operators against standards that often exceed FAA minimums.

Use Cases: When Part 135 Charter Makes Sense

Part 135 charter is best suited for time-sensitive, high-value, or privacy-critical travel and cargo needs. The ability to operate on your schedule, access remote airports, and avoid commercial aviation hassles creates unique value for specific situations.

Passenger Scenarios

• Executive teams visiting multiple cities in a single day—commercial connections would add hours of transit time

• Families traveling during peak seasons when commercial options are sold out or prohibitively expensive

• VIPs and celebrities requiring discreet travel without the public exposure of commercial terminals

• Medical patients needing comfortable transport to specialized treatment facilities

Cargo Scenarios

• Urgent medical shipments: lab specimens, blood products, organs for transplant

• Aircraft-on-ground (AOG) parts: airlines pay premium rates to get grounded planes flying again

• Just-in-time inventory: manufacturers avoiding production line shutdowns

• Critical documents: legal filings, signed contracts, irreplaceable materials

The Empty Leg Advantage

Flexible leisure travelers are particularly well-positioned to leverage empty leg flights from Part 135 operators. If your dates and destinations have some flexibility, the ability to monitor available repositioning flights opens up private jet experiences at accessible price points.

Consider your priorities when deciding between commercial flights, full-price on-demand charter, and empty leg options:

• Maximum schedule flexibility: Full-price on-demand charter

• Lowest absolute cost: Commercial airline

• Balance of cost and experience: Empty leg flights from Part 135 operators

• Time-critical departure: On-demand charter with guaranteed availability

FAQ

How can I quickly confirm that a company is a real Part 135 charter operator?

Ask for the operator’s FAA Air Carrier Certificate and note their certificate number. Confirm the legal or d.b.a. name matches what’s listed in Ops Specs A001. Most importantly, verify that the specific aircraft tail number for your flight appears on Ops Specs D085. Legitimate operators will produce these documents without hesitation. If there’s resistance or delay, that response should give you pause.

Are Part 135 charter flights safer than flying under private Part 91 rules?

Safety depends heavily on individual operator practices, but Part 135 imposes higher levels of oversight than non-commercial Part 91 operations. Part 135 requires more rigorous crew training, stricter duty and rest limits, enhanced maintenance standards, and FAA surveillance through FSDOs. These requirements don’t guarantee safety in every instance, but they establish a regulatory floor that Part 91 private flights aren’t required to meet.

What kind of aircraft typically operate under Part 135?

Part 135 fleets span a wide range of aircraft types. Common options include turboprops like the King Air series, light jets such as the Citation CJ and Phenom, midsize jets including Hawker and Learjet models, and super-midsize jets like the Challenger 350. Large cabin aircraft—Gulfstreams, Falcons, and Global Express jets—also operate under Part 135, as do cargo-configured aircraft for freight operations.

Conclusion

Part 135 charter companies play a vital role in the aviation industry by providing flexible, on-demand air travel and cargo services that meet the highest standards of safety and operational control. Their FAA certification ensures rigorous oversight, including strict maintenance requirements, pilot training, and compliance with regulatory frameworks. Whether serving executives, medical emergencies, or critical freight, these operators deliver unparalleled access to thousands of airports and customized flight solutions.

For travelers seeking private jet experiences without the traditional high costs, understanding how to verify legitimate operators and navigate pricing structures is essential. By doing so, passengers can confidently enjoy the benefits of Part 135 charters.

As the industry continues developing, Part 135 charter companies remain committed to safety, innovation, and meeting the evolving expectations of clients. Whether for business or personal travel, these operators offer a unique blend of convenience, efficiency, and professionalism that sets them apart in the future of air travel.