--- title: Flight School Billing & Invoicing Software — Automate Accounting | OY Wings description: Automated invoicing for aircraft rentals and instruction sessions. Streamline your flight school finances with OY Wings. --- [![oy-logo-white](https://www.oscaryankee.com/hubfs/Logo/oy-logo-white.svg "oy-logo-white")](https://oscaryankee.com) [![oy-logo-blue](https://www.oscaryankee.com/hubfs/Logo/oy-logo-blue.svg "oy-logo-blue")](https://oscaryankee.com) - [Home](https://www.oscaryankee.com) - [Features](https://www.oscaryankee.com/solutions) - [About us](https://www.oscaryankee.com/#about-oscar-yankee) - [Pricing](https://www.oscaryankee.com/pricing) - [Newsroom](https://www.oscaryankee.com/blog) [Book demo](https://www.oscaryankee.com/book-demo) [Book an intro](https://www.oscaryankee.com/book-demo) [Book an intro](https://www.oscaryankee.com/book-demo) - [Home](https://www.oscaryankee.com) - [Features](https://www.oscaryankee.com/solutions) - [About us](https://www.oscaryankee.com/#about-oscar-yankee) - [Pricing](https://www.oscaryankee.com/pricing) - [Newsroom](https://www.oscaryankee.com/blog) [Book Demo](https://www.oscaryankee.com/book-demo) # Accounting Streamline your finances with automated invoicing for rentals and instruction sessions. Accept online payments and make it easy for students and renters to pay with a convenient one-click option. [Learn more](https://www.oscaryankee.com/solutions/accounting#solution_info) ![dreamstime\_xl\_141544975](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Accounting/dreamstime_xl_141544975.webp?width=2200&height=1466&name=dreamstime_xl_141544975.webp) [Scroll](https://www.oscaryankee.com/solutions/accounting#solution_info) ## Automatic Invoices are automatically generated based on rentals and lessons, with full support for airfield-specific landing fees. Completed invoices can be finalised and sent to students immediately after a lesson—saving time and reducing admin work. [Contact us](https://www.oscaryankee.com/solutions/accounting#contact_us) ![pexels-rdne-7821702](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Accounting/pexels-rdne-7821702.jpg?width=1280&height=853&name=pexels-rdne-7821702.jpg) ## Effortless With Stripe Connect integration, you get a secure, end-to-end payment flow. Students can safely store payment preferences for effortless one-click payments, making the process smooth for both you and your customers. ![dreamstime\_xl\_120265330](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Accounting/dreamstime_xl_120265330.webp?width=2200&height=1466&name=dreamstime_xl_120265330.webp) ## Flexible Our accounting tools are simple yet powerful, offering full configuration of account settings, payment options, and invoice styling. Flexible enough to support different organisational structures, the system can handle both online payments and prepaid balances. Customers who pre-pay can accumulate credit in the system and use it to settle invoices with a single click. ![OY Wings - Accounting](https://www.oscaryankee.com/hs-fs/hubfs/OY%20Wings%20-%20Accounting.webp?width=1080&height=608&name=OY%20Wings%20-%20Accounting.webp) [Back to all solutions](https://www.oscaryankee.com/solutions) ### Continue Exploring... [![dreamstime\_xl\_57328396](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Student%20Management/dreamstime_xl_57328396.webp?width=2200&height=1312&name=dreamstime_xl_57328396.webp) Student Management Quickly access everything you need with our powerful, searchable student overview....](https://www.oscaryankee.com/solutions/student-management) [![dreamstime\_xl\_18109839](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Course%20and%20Lesson%20Tracking/dreamstime_xl_18109839.webp?width=2200&height=1572&name=dreamstime_xl_18109839.webp) Course and Lesson tracking Easily monitor student progress with fully customisable courses and lesson plans....](https://www.oscaryankee.com/solutions/course-and-lesson-tracking) [![dreamstime\_xl\_45719380](https://www.oscaryankee.com/hs-fs/hubfs/Stock%20photos/Reporting/dreamstime_xl_45719380.webp?width=2200&height=1539&name=dreamstime_xl_45719380.webp) Reporting Gain clear insights at every level of your organisation with fully customisable reports....](https://www.oscaryankee.com/solutions/reporting) #### Explore all solutions: [EASA Safety Management System (SMS)](https://www.oscaryankee.com/solutions/safety-management) [Flight School Student Management](https://www.oscaryankee.com/solutions/student-management) [Flight School Scheduling Software](https://www.oscaryankee.com/solutions/scheduling-and-availability) [Course & Lesson Tracking](https://www.oscaryankee.com/solutions/course-and-lesson-tracking) [Aviation Document Management](https://www.oscaryankee.com/solutions/document-management) [Fleet Management & Aircraft Maintenance](https://www.oscaryankee.com/solutions/fleet-management) [FTL & Duty Time Management](https://www.oscaryankee.com/solutions/ftl-duty) [Reporting & Analytics](https://www.oscaryankee.com/solutions/reporting) [Messaging & Communication](https://www.oscaryankee.com/solutions/messaging) [Wings iOS Companion App](https://www.oscaryankee.com/solutions/mobile-app) [Theory Question Bank](https://www.oscaryankee.com/solutions/theory-question-bank) [AI Integrations](https://www.oscaryankee.com/solutions/ai-integrations-smarter-aviation-efficiency-oy-wings) [Multi-Crew Cooperation (MCC)](https://www.oscaryankee.com/solutions/multi-crew-cooperation-mcc) [Competency-Based Training (CBTA)](https://www.oscaryankee.com/solutions/competency-based-training-and-assessment) Book an intro Contact us ## Your next step The next step is a 45-minute intro call with Pete. Ask all the questions you have, see the software, and hear exactly what happens next. Prefer to write? Choose Contact us above.     © 2026 Oscar Yankee - CVR: 39 79 13 15 - [Privacy Policy](https://www.oscaryankee.com/privacy-policy) - [hello@oscaryankee.com](mailto:hello@oscaryankee.com) ```json { "@context" : "https://schema.org", "@id" : "https://oscaryankee.com/#organization", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "DK", "addressLocality" : "Grenaa", "postalCode" : "8500", "streetAddress" : "Østerbrogade 67d" }, "description" : "Oscar Yankee builds Wings, a cloud-based flight school management system for ATOs, flight clubs, and AOCs. 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