Sky-Bound

Sky-Bound is the most complete FAA checkride prep app for student pilots and certificated aviators. Built around the FAA Airman Certification Standards (ACS), every piece of content is mapped to the exact knowledge areas you'll be tested on. CERTIFICATION TRACKS Study for 7 FAA certificates and ratings in one app: • Private Pilot (PPL) • Instrument Rating (IFR) • Commercial Pilot (CPL) • Multi-Engine (ME) • Multi-Engine Commercial (MEC) • Flight Instructor (CFI) • Instrument Flight Instructor (CFII) PRACTICE TESTS 3,768 questions across 73 test categories — rewritten for accuracy and ACS alignment. Choose from curated presets or build a custom test by category. Wrong answers link directly to the relevant study material and flashcards so you can close the gap immediately. FLASHCARDS WITH SPACED REPETITION 4,325 flashcards organized into 69 ACS-aligned categories. Our SM-2 spaced repetition algorithm schedules your reviews automatically — easy cards come back less often, harder ones more often — so you retain more with less time studying. MOCK CHECKRIDE Full oral exam simulation across all certification tracks. Exam mode with timer. Practice the real checkride experience before you sit across from a DPE. STUDY PLAN A structured Duolingo-style curriculum that walks you through each ACS area of operation in sequence. Daily sessions combine study content, flashcards, and practice questions. Spaced reviews are scheduled automatically after each completed day. STUDY CONTENT In-depth written material for every ACS area of operation across all 7 tracks — not just definitions, but the concepts behind them. Covers systems, regulations, weather, navigation, aerodynamics, and more. FAR/AIM REFERENCE 84 sections of the FARs and AIM, filtered by certification track, available offline. INTERACTIVE TOOLS • VFR Sectional chart symbols (37 symbols with tap-to-learn) • IFR En Route chart symbols (36 symbols) • METAR decoder with live weather interpretation • Holding pattern entry visualizer with animation and quiz mode • Pilot equations reference (13 equations) • Radio communications practice with ATC scenarios MISSED QUESTION BANK Every question you get wrong is automatically saved. Review your weak areas by track, filter by resolved status, and track your improvement over time. FLIGHT HOUR TRACKER Log your flight hours and automatically check your progress against Part 61 requirements for each certificate. Color-coded progress bars show exactly where you stand. Built for serious student pilots who want to pass — not just practice. see terms and conditions. http://Sky-bound.app/terms