Airspan
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Airspan is an aviation size game. A blue reference is shown at a known scale. Your job is to resize the orange object until the two look correctly proportioned.
Explore 42 modern, historical and in-development aircraft configurations, plus 500 major airports across 115 countries and territories. WindRunner is labeled as in development and uses Radia’s published design dimensions. Airports are selected for their extensive scheduled-service networks.
Where mapped geometry is available, airport land includes runway locations, taxiways, aprons and terminal footprints. Park comparisons include mapped lakes, paths, roads, woodland and buildings. These features stay attached to their mapped positions as the whole place changes size.
We compare mapped airport grounds: the airfield, terminals, ramps, attached hangars and the grass and safety areas within the perimeter. Surrounding bay, remote property and expansion land outside the operating perimeter are excluded. The score uses the area of exactly the outline you see, not the airport’s total advertised acreage. These are dated map snapshots, not surveyed security-fence boundaries. The geometry records include their sources and dates.
Airliners distinguish aircraft variants and wingtip configurations. General aviation and the F-16 use representative family illustrations, with the measurement and artwork scope explained in their source notes. The current aircraft drawings are uniformly calibrated research assets; full contour and engine-configuration review is still pending. They are labelled accordingly rather than described as perfect engineering drawings.
Your score is the smaller measurement divided by the larger, multiplied by 100 and rounded. Half the correct size and twice the correct size both earn 50 points; an exact match earns 100. Aircraft are scored on length and airports on mapped area. For an area question, doubling both dimensions makes the estimate four times as large. Each round contributes up to 100 points. Your average score tracks the whole run, and a streak counts consecutive guesses with at least 90% proportional accuracy before rounding.
Aircraft and Airports each have a separate five-round daily challenge. Everyone gets the same comparisons for that category, refreshing at midnight Eastern. Progress is saved in this browser, so you can switch categories or come back later. After five rounds, share your score out of 500 or try the other daily. Today and yesterday are free; Premium unlocks older challenges in the Airspan archive.
Park areas come from their displayed dated map boundaries, including internal lakes; rounded published acreage can differ. Courts and fields use nominal regulation playing dimensions, without seating or runoff. The Washington Monument uses its historic construction-base height. Burj Khalifa uses its 828 m architectural height; the Empire State Building includes its antenna. Eiffel Tower is explicitly the 324 m profile from 2000–2022. The Tesla Model 3 uses a schematic top view with mirrors omitted. Discovery uses its 2012 measured orbiter drawing, without a tank or boosters. The MULAG Comet 4D baggage tractor and Comet 12D pushback tug use 2022 manufacturer top plans. Their scored body lengths exclude the tow hitch; the hitch remains visible. The manufacturer states configuration-dependent specifications of approximately ±5%. These references have documented limits; none is presented as a perfect current survey.
Aircraft outlines come from attributed licensed artwork and manufacturer planning drawings, calibrated to documented model dimensions. Airport land comes from recorded GIS boundaries. Mapped terminals and airport interiors are © OpenStreetMap contributors, under ODbL 1.0.
The four original A320-family silhouettes are adapted from drawings by Julien Scavini under CC BY-SA 3.0 (cropped, rotated and contour-traced). An-225 and H-4 silhouettes are adapted from Clem Tillier’s Giant planes comparison under CC BY-SA 2.5 (isolated, recolored and cropped).
Reference diagrams include original regulation playing surfaces, an NPS-dimensioned monument elevation and the NPS/NASA HAER TX-116-A measured Discovery drawing. Ramp-vehicle top plans are from MULAG’s 08/2022 Comet product overview; manufacturer artwork rights are retained and public-game reuse permission is still unconfirmed. Park boundaries are © OpenStreetMap contributors under ODbL. Reference artwork credits and measurement records.
The Burj Khalifa, Empire State Building, historic Eiffel Tower and Model 3 diagrams are original schematics calibrated to published dimensions. Expanded reference credits and measurement records.
General aviation includes the Cessna 172 Skyhawk and Piper J-3 Cub. The Cessna drawing is by Marek Cel under CC0 1.0; the Cub drawing is by Kaboldy, with view-layout corrections by Thayneh, under CC BY-SA 4.0. Both are cropped, rotated, contour-traced and uniformly scaled, with their original licenses retained. Scored lengths use Cessna and Smithsonian dimensions; these are approximate illustrations, not engineering models. General aviation artwork and measurement records.
The F-16 Fighting Falcon uses Marek Cel’s CC0 top-view illustration, uniformly scaled to the U.S. Air Force fact sheet’s overall length. It represents the F-16 family rather than one exact configuration. Military artwork and measurement records.
Additional silhouettes are derived from Boeing and Airbus CAD planning drawings, with manufacturer copyright retained. These dated research outlines have stated planning tolerances; they are not exact engineering models. Public-game reuse review remains pending. Manufacturer artwork records.
Artwork credits and geometry records include the original artwork links, configuration notes and airport boundary definitions. The worldwide airport collection uses mapped OpenStreetMap geometry under ODbL 1.0.
Airspan was inspired by Size It Up by Magnitudle. Thanks for the idea that got us thinking about aviation at a different scale.