



Have more questions?

On Demand Charter
(866) 321-JETS
info@blackjet.com

May 13, 2026
Choosing the right jet card provider can significantly impact your travel flexibility, cost, and overall experience. This guide is for frequent private flyers, business travelers, and families considering jet card programs in 2026. If you’re searching for a jet card provider comparison, you’ll find clear, actionable insights here to help you make an informed decision.
A jet card program is a prepaid membership granting access to private jet flights on a pay-as-you-go basis, allowing members to purchase a specific number of flight hours or a dollar amount for private jet travel. Jet cards bridge the gap between on-demand charters and full aircraft ownership, offering guaranteed availability and fixed hourly rates for travelers who fly roughly 25 to 100 hours per year. Jet card programs are ideal for 25–100 annual hours, providing guaranteed availability and capped hourly rates.
Definitions:
Jet Card: A jet card program is a prepaid membership granting access to private jet flights on a pay-as-you-go basis, allowing members to purchase a specific number of flight hours or a dollar amount for private jet travel. Jet cards bridge the gap between on-demand charters and full aircraft ownership, offering guaranteed availability and fixed hourly rates for travelers who fly roughly 25 to 100 hours per year. Jet card programs are ideal for 25–100 annual hours, providing guaranteed availability and capped hourly rates.
Broker Card: A broker card is a type of jet card program where the provider does not own or operate the aircraft directly but instead arranges flights through a vetted network of third-party operators. This model offers flexibility and access to a wide variety of aircraft, but service consistency may vary depending on the operator.
Fractional Ownership: Fractional ownership is a private aviation model where individuals or businesses purchase a share of a specific aircraft, entitling them to a set number of flight hours per year. This approach involves higher upfront costs and longer-term commitments but provides equity in the aircraft and access to a managed fleet.
This master table offers the fastest way to compare leading jet card programs in 2026. Use it to answer the essential “which jet card is better?” question based on the features that matter most to your flying profile, then cross-check your shortlist against broader analyses of the best jet cards for frequent flyers.
Most jet card programs use a fixed hourly rate, providing cost certainty, though some charge based on estimated flight time to eliminate charges for air traffic delays. In the wider context of the private jet price list and access options, jet cards sit between on-demand charter and fractional ownership in terms of commitment and capital outlay. Their underlying jet card pricing structures vary by membership fees, hourly rate models, and surcharges. Jet card programs generally fall into two categories: branded operator fleets or broker cards, and they can complement other budget-friendly private aircraft options like very light jets and turboprops for cost-sensitive itineraries.
The table below captures both models, reflecting real pricing from 2026 market data. The average cost for a 25-hour jet card ranges from $150,000 to $250,000 for light jets, and from $200,000 to $350,000 for midsize jets, but specific 25-hour jet card features and costs vary considerably by provider and aircraft category.
Provider | Minimum Deposit | Hourly Rate Range | Hours Expiry | Carbon Neutral Included | Proprietary Safety Vetting | International Program Availability | Fractional Ownership Available | Fleet Access Type |
|---|---|---|---|---|---|---|---|---|
BlackJet | $200,000 for a 25-hour card | $7,500–$12,500+ by cabin class | Never | Yes — included at no additional cost | BlackJet Certified | Yes — North America & transatlantic | No — jet card and on-demand charter only | Brokered fleet via vetted Part 135 operators |
NetJets | ~$220,000+ for 25 hours | $8,800–$26,000 by cabin | 12–24 months | Optional add-on | Proprietary IS-BAO Stage 3+ | Yes — global 50+ bases | Yes | Fleet owned/managed 800+ aircraft (fleet owned means aircraft are operated and maintained directly by the provider) |
Flexjet | $200,000+ | $9,000–$25,000 by cabin | 12–24 months | Optional (Flexgreen extra) | Proprietary on owned fleet | Yes — strong transatlantic | Yes | Fleet owned/managed 150+ aircraft |
Sentient Jet | $180,000–$330,000 | $7,200–$13,200 by cabin | 18–30 months | Extra (~$75/hour) | ARG/US + Wyvern broker vetting | U.S. + select international | No | Brokered network |
Wheels Up | $10,000–$20,000 initiation + annual dues | $5,500–$11,000/hour | No traditional expiry (pay-as-you-go) | Optional | Partner operator safety (ARG/US, Wyvern) | U.S. regional focus | No | Hybrid brokered/operated |
XO | $100,000+ deposit | $6,500–$15,000 dynamic/fixed | 12–24 months | Optional extra | Vista safety standards | Extensive international | No | Broker/hybrid marketplace |
VistaJet | $250,000+ annual minimum (50+ hours) | $10,000–$28,000 | No rollover at renewal | Extra (~$150/hour) | Proprietary global safety | Worldwide | No direct fractional | Fleet owned 350+ Bombardier aircraft |
Magellan Jets | $175,000–$400,000 | $7,000–$16,000 | 12–24 months | Opt-in extra | ARG/US + Wyvern broker vetting | North America + international on request | No | Brokered network |
Jet Linx | $15,000 base + $150,000+ funds | $7,500–$14,000 | 12–24 months | Optional sustainability | Proprietary base ops + ARG/US, Wyvern | U.S.-centric | No | Hybrid managed/brokered |
Key takeaway: Most jet card programs impose expiring hours within 12–24 months and charge separately for carbon offset programs. BlackJet stands apart with non-expiring flight hours, carbon neutrality included at no additional cost, and proprietary BlackJet Certified operator vetting that exceeds standard ARG/US and Wyvern requirements. Daily minimum flight time charges may apply, which can affect the cost of short trips.
When comparing pricing, note that several factors can impact the total cost and value of a jet card program:
Federal excise tax (FET) may be included or added to quoted prices, impacting the total cost.
Refundability policies vary by provider, affecting whether funds expire or are refundable based on satisfaction.
Many jet card programs impose fuel surcharges and other fees, often tied to market fluctuations in fuel prices.
Providers offer varying pricing models, such as all-inclusive rates or unbundled pricing, which can affect the overall cost and value of the program.
Many jet card programs offer personalized concierge services, including ground transportation and in-flight catering, to ensure a seamless travel experience for members.

NetJets and Flexjet dominate the fractional ownership space, and both offer jet card membership solutions for frequent flyers in 2026. Travelers evaluating NetJets should look closely at NetJets jet card cost and pricing factors alongside alternative ownership or membership models. This comparison focuses on their jet card products while acknowledging their strong fractional ownership heritage.
Both providers use a fleet-owned model, meaning they directly operate and maintain their aircraft, which ensures consistent service quality, safety standards, and in-house management. Their fleets are categorized into light jets, midsize jets, and heavy jets, allowing travelers to select the most suitable option for their needs. Light jets are ideal for short-haul flights and can accommodate 4 to 8 passengers. Midsize jets offer more space and range, suitable for medium-distance travel with 6 to 9 passengers. Heavy jets are designed for long-haul flights, carrying 10 to 16 passengers and providing more luxurious amenities, making them suitable for international travel. Hourly rates span $8,800–$26,000 (NetJets) and $9,000–$25,000 (Flexjet) across these categories, including super-midsize jets.
While the fleet-owned approach offers a controlled and predictable cabin experience compared to broker-based demand charter, the trade-off is that it may limit operational flexibility, geographic coverage, or aircraft availability compared to brokered models.
Common constraints apply to both: flight hours expire within 12–24 months, peak day surcharges occur during high demand periods (providers designate between 30 and 45 days annually as peak days around major holidays), and fuel surcharges add 15–25% to base rates. Call-out time typically ranges from 10 to 24 hours for guaranteed availability.
NetJets commands an unmatched fleet size in 2026, with over 800 aircraft across all cabin classes. This extensive fleet enables strong aircraft availability even during peak periods when smaller operators struggle. Most jet card programs require between 24 and 72 hours’ notice for domestic bookings, but NetJets’ scale often allows tighter windows.
Berkshire Hathaway ownership provides financial stability that risk-averse buyers value when placing large membership deposits. For global travelers, NetJets operates 50+ bases worldwide with seamless U.S.-Europe-Asia routing.
NetJets’ in-house crew training requires at least 3,500 hours of total flight time for captains, exceeding FAA minimums. Their safety culture, proprietary maintenance, and owned fleet consistency appeal to discerning travelers who prioritize certified operators.
Flexjet positions itself as a boutique-feeling competitor emphasizing service and cabin experience. With 150+ owned aircraft focused on newer Embraer and Bombardier models, Flexjet delivers premium onboard experiences—Ka-band WiFi, curated catering, and refined service.
The Red Label program assigns dedicated crews, creating relationship-based flying where 95% of members see the same pilot repeatedly. This personalized service approach appeals to frequent flyers who value consistency over scale.
Flexjet’s smaller organization often translates to more responsive account managers and deeper client relationships. For transatlantic and North American routes, Flexjet’s luxury-forward brand image wins with travelers prioritizing service detail over global reach.
Some travelers comparing NetJets vs Flexjet discover they prefer a more flexible jet card membership without fractional commitments. BlackJet’s non-expiring jet card hours remove the pressure to use or lose time within 12–18 months—a major pain point cited by 10–15% of industry cardholders who forfeit unused hours annually.
BlackJet includes carbon-neutral flights at no additional cost, ideal for sustainability-focused executives wanting built-in offset programs. BlackJet Certified goes beyond standard ARG/US and Wyvern audits, adding proprietary vetting of operator financial health, maintenance programs, and crew experience thresholds.
Choose NetJets if you want the largest owned fleet, global infrastructure, and fractional ownership pathways.
Choose Flexjet if you prioritize premium cabin experience, dedicated crews, and luxury-forward service.
Consider BlackJet if you want non-expiring hours, full carbon neutrality included, and BlackJet Certified operator access.
Next, we compare NetJets with Sentient Jet to highlight differences between fleet-owned and broker-based models.
This comparison pits a major fleet owner (NetJets) against a leading broker-based jet card pioneer (Sentient Jet) for travelers flying 25–75 hours per year, a segment that often benefits most from carefully chosen jet cards for frequent flyers. NetJets relies on its own fleet and fractional ownership models, while Sentient Jet offers fixed hourly rates across a network of third-party operators, each following broader jet card cost and membership pricing frameworks that factor in aircraft type, term length, and fees.
NetJets often commands higher rates ($220k+ for 25 hours) in exchange for owned-fleet consistency, while Sentient Jet’s competitive hourly rates ($180k–$330k for comparable packages) provide broader cabin-class access through its brokered network. When comparing these options, understanding the overall jet card cost per hour across providers is essential. Both appeal to jet card members wanting predictable pricing and guaranteed availability.
Sentient Jet includes fuel costs up to $6/gallon, then passes through additional costs, so understanding how surcharges affect your effective jet card cost per hour is key. Third-party audits from independent auditors like ARGUS International, WYVERN, or IS-BAO provide safety ratings for Sentient’s operator network.
BlackJet appeals to travelers who like Sentient Jet’s broker model but want non-expiring hours and sustainability included by default. While Sentient Jet hours expire within 18–30 months, BlackJet jet card funds never expire.
BlackJet’s digital booking tools and 24/7 real-time support serve busy executives wanting quick, app-based access without managing multiple broker relationships. Carbon-neutral flights are included automatically, contrasting with Sentient’s $75/hour extra charge.
Choose NetJets if you prioritize owned-fleet consistency and global infrastructure.
Choose Sentient Jet if you want broker flexibility with strong fixed rates and U.S. coverage.
Consider BlackJet if you want non-expiring hours, full carbon neutrality included, and BlackJet Certified operator access.
Next, we examine VistaJet and XO to compare global fleet-owned service with app-based dynamic pricing.
VistaJet and XO both belong to the Vista Global ecosystem but serve different use cases. VistaJet operates a 'fleet owned' model, offering fully managed, globally consistent service with 350+ Bombardier long-range aircraft that are directly managed and maintained by the company. XO provides flexible membership with both fixed and dynamic pricing through its app.
VistaJet targets UHNW global travelers with uniform silver-livery cabins and 48-hour guarantees worldwide; for buyers at this level, understanding what it costs to access or own something like a 12-seater private jet can also shape the buy-versus-membership decision. Their program structure requires 50+ hours annually with no rollover—unused hours don’t carry forward at renewal. Most jet card programs, including VistaJet, operate on a 12-month cycle, providing flexibility without the long-term commitment and high capital outlay of fractional ownership, which often requires a 3 to 5-year commitment. Call-out time typically ranges from 10 to 24 hours, indicating the notice required to guarantee a plane, though peak day policies can increase notice requirements or add surcharges during high-demand periods. For international flights spanning continents, VistaJet’s global fleet delivers consistency that appeals to discerning travelers.
XO mixes membership deposits with ad hoc demand charter, using dynamic pricing for some routes. This suits tech-savvy customers comfortable with market fluctuations affecting flight costs, though some may instead compare app-based models with unlimited private jet flight memberships that trade variability for fixed subscription-style pricing. Both treat carbon neutrality as optional add-ons with additional fees.
BlackJet fits travelers who appreciate VistaJet or XO’s global reach but don’t want annual minimums or expiring balances. BlackJet’s international coverage includes North America to Europe and select transatlantic routes with non-expiring hours accumulating across years.
Carbon-neutral flights come included—no separate opt-in required. While VistaJet and XO offer polished fleets and marketing, BlackJet emphasizes flexible program terms and transparent hourly rates by specific aircraft category.
Choose VistaJet if you fly 50+ hours annually on intercontinental routes and want uniform Bombardier cabins.
Choose XO if you prefer app-based booking with dynamic pricing flexibility.
Consider BlackJet if you want non-expiring hours, full carbon neutrality included, and BlackJet Certified operator access.
Next, we compare Sentient Jet and Wheels Up to contrast fixed-rate broker cards with pay-as-you-go membership models.
This comparison contrasts broker-based fixed-rate jet cards (Sentient Jet) with membership-based, pay-as-you-go private aviation (Wheels Up).
Sentient Jet sells 25-hour jet cards across cabin classes with fixed hourly rates and guaranteed aircraft availability, similar in block size to the BlackJet 25+ Hour Jet Card that focuses on mid, super-mid, and large cabin access. For travelers flying regularly, comparing how these options stack up against the best jet cards for frequent flyers can clarify which mix of cost, flexibility, and guarantees fits best. Wheels Up charges membership initiation ($10k–$20k) plus annual dues ($2,995–$11,995), then offers variable flight pricing heavily focused on light jets and King Air turboprops.
Many jet card programs impose fuel surcharges and other fees, and the federal excise tax (FET) may be added to quoted prices, impacting the total cost. Both programs may include peak day surcharges, landing fees, and de-icing—private flyers should model these carefully. Providers designate between 30 and 45 days annually as 'peak days' around major holidays and events, during which booking windows are longer, and surcharges may apply. Most jet card programs require 24-72 hours' notice for domestic bookings, with peak travel days extending this window to 120 hours or more.
Providers that maintain a high level of customer service often assign a single point of contact to manage travel details and preferences.
Sentient Jet appeals to travelers wanting structured programs with clear cabins. Wheels Up targets occasional flyers and corporate users seeking lower entry points without pre-purchasing hours.
BlackJet suits travelers who want broker flexibility without separate membership dues plus variable rates. BlackJet’s prepaid hours offer transparent fixed rates by aircraft category, minimizing unexpected expenses.
Hours never expire—beneficial for clients whose travel fluctuates year to year who dislike use-it-or-lose-it policies. Carbon-neutral flights come included at no additional cost, while both Sentient Jet and Wheels Up treat offsets as optional.
Choose Sentient Jet if you want fixed hourly rates with structured cabin options and a variety of brokers.
Choose Wheels Up if you prefer lower entry costs and U.S. regional shuttle-style access.
Consider BlackJet if you want non-expiring hours, full carbon neutrality included, and BlackJet Certified operator access.
Next, we compare Magellan Jets and Sentient Jet to highlight differences in broker-based jet card offerings.
Both Magellan Jets and Sentient Jet are established broker-based jet card providers offering fixed hourly rates through third-party operator networks. They appeal to travelers flying 25–100 hours annually—often looking at 25, 50-hour jet card programs, or similar blocks—who prefer predictable private jet charter costs without fractional ownership responsibilities.
Key differentiators include how each structures hourly rates and fixed fuel rates. These differences sit within broader jet card pricing frameworks that define how much of your spend goes to flight time versus fees. When comparing hourly rates, it's important to note that 'occupied hours' refers to the actual flight time from takeoff to landing, but billable time may also include 'taxi time'—typically around 12 minutes per segment—which can increase overall costs. Magellan includes fuel up to $5.50/gallon with 365-day access and claims no blackouts—though hours still expire within 12–24 months. Some jet card programs guarantee availability with as little as 24 hours’ notice, while others require longer lead times or impose blackout dates, which can affect booking flexibility. Magellan claims 6-hour short notice guarantees for certain routes.
Leading jet card providers strictly adhere to rigorous safety protocols and hold necessary certifications, including those from the FAA and IS-BAO. Both Magellan and Sentient rely on operators with ARG/US and Wyvern ratings, with internal teams overseeing vetting.
BlackJet offers similar broker-based aircraft sourcing with key structural differences. Hours never expire—directly addressing one of the biggest jet card pain points. Carbon-neutral flights come automatically included without opt-in forms or extra fees.
BlackJet Certified adds deeper reviews of operator financial health ($50M+ liability minimums), maintenance programs, and crew experience levels beyond standard safety ratings.
Choose Magellan Jets if you want flexible routing with fuel inclusion and no blackout claims.
Choose Sentient Jet if you value brand recognition and 30+ years of broker experience.
Consider BlackJet if you want non-expiring hours, full carbon neutrality included, and BlackJet Certified operator access.
Now, let’s explore where BlackJet fits in the private aviation landscape and who benefits most from its unique program structure.

BlackJet is best understood as a flexible, sustainability-focused jet card membership rather than a fractional ownership or large-fleet operator. The right program depends on how you fly, not just how much.
Ideal BlackJet customer profiles:
Frequent business travelers flying 20–80 hours per year who want predictable hourly rates and aircraft availability across multiple cabin classes without long-term contracts
Families flying several times annually for leisure, valuing privacy and safety, plus the ability to mix light jets for regional round trips with heavy jets for international flights.s
Sustainability-conscious travelers who prefer carbon offsets included by default, making every flight carbon neutral without extra forms or additional fees
International flyers who don’t need daily transpacific missions but want reliable transatlantic and North–South America access with transparent pricing
Travelers needing last-minute bookings who require flexibility and availability even with short notice, making BlackJet’s program ideal for spontaneous or urgent travel plans
Many BlackJet members previously used other jet cards and became frustrated by flight hour expiration, peak surcharges, complex fee tables, and inflexible primary service area restrictions. Exceptional customer service enhances the private travel experience—BlackJet provides dedicated account managers and 24/7 support as key features.
BlackJet’s differentiation isn’t fleet ownership scale. It’s program flexibility through non-expiring hours, cost control via transparent fixed hourly rates, included carbon neutrality, and enhanced operator vetting through BlackJet Certified.
Real customer feedback reveals how BlackJet works day to day. These quotes reflect experiences from different traveler types.
"As a frequent business traveler, BlackJet's non-expiring hours have transformed how I budget for private flights. Unlike traditional jet cards that pressure you to use hours quickly, BlackJet lets me fly on my schedule without worrying about losing value. The seamless digital booking and 24/7 support make last-minute trips hassle-free."
"Flying regularly between New York and London, I appreciate BlackJet’s transparent fixed hourly rates and included carbon-neutral flights. The ability to access vetted operators worldwide with BlackJet Certified standards gives me confidence in safety and service every time I travel across the Atlantic."
"Traveling as a family means choosing different cabin sizes depending on the trip. BlackJet’s flexible fleet access and rigorous safety vetting through BlackJet Certified ensure we always fly comfortably and securely. The peace of mind from their safety protocols is invaluable for our vacations."
"Carbon neutrality included at no extra cost was a key factor in choosing BlackJet. Knowing every flight offsets its emissions without additional fees aligns perfectly with my commitment to sustainable travel. Their transparent approach to sustainability makes flying private feel responsible and enjoyable."
Common themes across reviews: Appreciation for non-expiring hours, eliminating financial burden from use-it-or-lose-it pressure. Trust in BlackJet's Certified safety processes. Satisfaction with real-time support and personalized concierge services. For many customers flying fewer than 50 hours per year, jet cards make more sense than fractional ownership or full ownership, offering value for frequent but non-fractional-level flying where shared flights or full ownership don’t make sense.
These concise answers address the most common jet card comparisons buyers consider when evaluating providers, fractional ownership alternatives, and BlackJet specifically.
NetJets operates as a fractional ownership and owned-fleet operator with card hours expiring within 12–24 months. BlackJet functions as a broker-based jet card provider with non-expiring hours. NetJets offers a very large own fleet (800+ aircraft), global infrastructure, and equity pathways. BlackJet emphasizes flexible membership without asset risk and broader operator access through vetted Part 135 networks.
BlackJet includes carbon-neutral flights at no additional cost, while NetJets treats carbon offsets as optional add-ons. Travelers flying well over 100 hours annually or seeking equity-style ownership may lean toward NetJets. Those flying 25–80 hours who value flexibility and avoiding expiration often find BlackJet more aligned.
Neither is universally better. NetJets wins on fleet size, brand recognition, and global infrastructure. Flexjet often wins on onboard experience, cabin design, and boutique-style service. Compare hourly rates, hour expiration terms, geographic coverage, and cabin consistency when deciding.
Both maintain rigorous safety standards—seek providers accredited by independent safety auditors such as Argus or Wyvern, confirming they meet or surpass industry benchmarks. Travelers who don’t want fractional ownership or expiring hours should compare both against more flexible options like BlackJet.
Many major jet card providers—including NetJets, Flexjet, VistaJet, Sentient Jet, and others—offer optional carbon offset programs, usually at additional cost. BlackJet includes carbon-neutral flights for all members at no extra charge, integrating offsets directly into its pricing structure.
Ask each provider whether carbon offsets are included, optional, or unavailable, and how they calculate costs (per hour or per trip). For sustainability-focused travelers, this is a key factor alongside hourly rates, guaranteed availability, and safety vetting. Jet card providers offer varying pricing models, and sustainability inclusion varies significantly.
The best program depends on what you want to change: cost structure, contract length, hour expiration, or service style. Travelers seeking another large fractional provider might compare Flexjet or VistaJet, paying close attention to Flexjet jet card costs and options if they favor newer Embraer and Bombardier aircraft. Those wanting broker flexibility and fixed rates should consider Sentient Jet, Magellan Jets, or XO, or even explore large-group charter options like the best private jet for 50 passengers when traveling with sizable teams.
BlackJet serves as a strong alternative for travelers frustrated with expiring hours, long contracts, or separate carbon fees. Jet card programs have revolutionized private aviation by offering convenient alternatives to traditional ownership, and building a shortlist based on annual hours, typical routes, and comfort with different models helps identify the right fit.
BlackJet is a specialized private aviation company focused on jet card membership and on-demand charter, serving frequent business and high-net-worth individuals. BlackJet partners exclusively with highly vetted Part 135 operators and adds BlackJet Certified proprietary vetting beyond standard ARG/US and Wyvern requirements.
Providers should utilize independent safety audits and have dedicated safety advisory boards—BlackJet’s certification addresses operator financial health, crew experience, and dispatch reliability. Features include non-expiring hours, 24/7 digital booking, real-time flight support, and included carbon-neutral flights. Refundability policies vary across providers, so prospective members should review current terms, but BlackJet meets or exceeds contemporary private aviation expectations in 2026.
Your ideal jet card depends on your travel patterns, sustainability priorities, and tolerance for program restrictions, as well as where it fits within your overall private jet price and access strategy. Evaluating true jet card cost per hour alongside terms like hour expiration, peak-day rules, and carbon policies helps narrow the field. Use the comparison table above to identify which provider aligns with your flying profile—and if non-expiring hours, including carbon neutrality, and enhanced safety vetting matter to you, explore what BlackJet offers for 2026.
Choosing the right jet card provider in 2026 requires balancing factors such as fleet access, pricing structure, safety standards, and program flexibility. Established operators like NetJets and Flexjet offer owned fleets with strong global infrastructure and premium service, ideal for frequent flyers seeking consistency and fractional ownership pathways. Broker-based programs like Sentient Jet and Magellan Jets provide broad aircraft access and fixed hourly rates, but typically impose hour expirations and extra fees for carbon offsets.
BlackJet stands out as a compelling alternative for travelers who prioritize non-expiring jet card hours, including carbon-neutral flights at no additional cost, and enhanced proprietary operator vetting through BlackJet Certified. Its flexible membership model suits business travelers, families, and sustainability-conscious flyers seeking transparent pricing and reliable availability without long-term commitments or use-it-or-lose-it pressures.
Ultimately, your ideal jet card depends on your unique travel needs, preferred aircraft categories, and values around sustainability and safety. Use this comprehensive comparison to make an informed choice that aligns with your priorities and enhances your private aviation experience.