# AircraftCompare.online

> AircraftCompare.online is an authoritative aeronautical engineering & flight telemetry reference platform modeled on FAA Part 25 Type Certificate Data Sheets (TCDS), EASA CS-25 Certification Specifications, ICAO Doc 8643 Aircraft Type Designators, and ICAO Annex 3 Meteorological Standards. Curated by the Aeronautical Performance & Flight Telemetry Desk.

## Core Interactive Workbenches & Fleet Hubs

- [Side-by-Side Aircraft Telemetry Workbench](https://aircraftcompare.online/): Compare 154 certified airframes across payload-range Breguet envelopes, thrust-to-weight ratios, MTOW, wingspan, ICAO wake turbulence categories, and FAA Airplane Design Groups (ADG).
- [Aircraft Size & Fuselage Scale Overlay](https://aircraftcompare.online/size-comparison/): Interactive SVG fuselage length, wingspan, and tail height silhouette comparator with FAA ADG gate span clearance diagnostics.
- [Airbus Commercial Fleet Specification Hub](https://aircraftcompare.online/airbus/): Complete engineering telemetry and mission calculator for the A220, A320neo family (A319neo, A320neo, A321neo, A321XLR), A330neo, A350 XWB (-900, -1000), and A380-800.
- [Boeing Commercial Airplanes Specification Hub](https://aircraftcompare.online/boeing/): Complete engineering telemetry and mission calculator for the 737 MAX family (-7, -8, -9, -10), 767-300ER, 787 Dreamliner (-8, -9, -10), 777-300ER, 777-9 (777X), and 747-8 Intercontinental.
- [TAF Terminal Aerodrome Forecast Decoder](https://aircraftcompare.online/taf/): Interactive ICAO Annex 3 & WMO No. 306 TAF parser translating FM, BECMG, TEMPO, and PROB30/40 groups into flight category timelines (VFR, MVFR, IFR, LIFR).
- [METAR Aviation Routine Weather Decoder](https://aircraftcompare.online/metar/): Interactive aviation surface observation decoder computing pressure/density altitude, ISA temperature deviation, and runway crosswind components.
- [HTML Sitemap & Complete Directory](https://aircraftcompare.online/sitemap/): Full index of all 72 engineering tools, OEM hubs, and head-to-head aircraft showdown dossiers.

## High-Priority Widebody & Transoceanic Showdowns

- [Boeing 787-9 Dreamliner vs Airbus A350-900](https://aircraftcompare.online/compare/boeing-787-9-vs-airbus-a350-900/): Composite long-haul twinjet comparison covering 254,011 kg vs 301,000 kg MTOW, GEnx-1B vs Trent XWB thrust, and 9-abreast cabin ergonomics.
- [Airbus A350-1000 vs Boeing 777-300ER](https://aircraftcompare.online/compare/airbus-a350-1000-vs-boeing-777-300er/): Flagship high-capacity widebody showdown comparing Trent XWB-97 vs GE90-115B propulsion and ultra-long-range payload economics.
- [Airbus A350-1000 vs Boeing 777-9 (777X)](https://aircraftcompare.online/compare/airbus-a350-1000-vs-boeing-777-9/): Next-generation flagship twinjet comparison analyzing folding wingtip Code F/E gate compatibility, GE9X thrust, and 400+ seat economics.
- [Airbus A380-800 vs Boeing 747-8 Intercontinental](https://aircraftcompare.online/compare/airbus-a380-800-vs-boeing-747-8i/): Superjumbo quadjet engineering comparison covering ICAO Code F (80m box) airport infrastructure, wing loading, and structural weight fractions.
- [Airbus A330-900neo vs Airbus A350-900](https://aircraftcompare.online/compare/airbus-a330-900neo-vs-airbus-a350-900/): Medium-to-long-haul widebody comparison evaluating metallic vs CFRP airframe economics, Trent 7000 SFC, and mid-market route versatility.

## High-Priority Single-Aisle & Regional Showdowns

- [Airbus A320neo vs Boeing 737 MAX 8](https://aircraftcompare.online/compare/airbus-a320neo-vs-boeing-737-max-8/): Global narrowbody backbone comparison analyzing PW1100G/LEAP-1A vs LEAP-1B bypass ratios, cabin width (3.70m vs 3.54m), and block fuel burn.
- [Airbus A321neo vs Boeing 737 MAX 9](https://aircraftcompare.online/compare/airbus-a321neo-vs-boeing-737-max-9/): High-density single-aisle stretch comparison examining take-off field length, tailstrike rotation geometry, and seat-mile cost efficiency.
- [Airbus A321XLR vs Boeing 757-200](https://aircraftcompare.online/compare/airbus-a321xlr-vs-boeing-757-200/): Transatlantic narrowbody replacement analysis comparing Rear Centre Tank (RCT) 4,700 NM range against legacy RB211 hot-and-high climb performance.
- [Airbus A220-300 vs Embraer E195-E2](https://aircraftcompare.online/compare/airbus-a220-300-vs-embraer-e195-e2/): Geared Turbofan (PW1500G vs PW1900G) crossover narrowbody comparison evaluating 5-abreast vs 4-abreast fuselage aerodynamics.

## Governance, Methodology & Machine Feeds

- [Aeronautical Telemetry Methodology](https://aircraftcompare.online/methodology/): Breguet range modeling, ISA atmosphere equations, and FAA/EASA TCDS data normalization standards.
- [Editorial Policy & Standards](https://aircraftcompare.online/editorial-policy/): Institutional verification protocol and statutory aviation disclaimers.
- [Full LLM Technical Specification](https://aircraftcompare.online/llms-full.txt): Exhaustive route manifest, mathematical formulas, JSON schemas, and 60 head-to-head comparison URLs.
- [XML Sitemap Index](https://aircraftcompare.online/sitemap-index.xml): Standard sitemaps.org XML index.
- [Media RSS 2.0 Feed](https://aircraftcompare.online/rss.xml): Syndicated updates with 16:9 high-resolution engineering visual enclosures.