Aircraft floating above the ground at airport gates? Diagnose scenery elevation, duplicate airport, contact-point and AI model issues, then fix them.
In flight simulators, aircraft usually float above the ground at airport gates because the airport surface elevation does not match the active terrain, often after conflicting scenery packages load together. If only one aircraft is affected, incorrect landing-gear contact points, model scale or an AI/model-matching error is more likely.
What causes aircraft to float above airport scenery?
The pattern of the fault usually reveals its cause. A mistake we see constantly is editing the aircraft before checking whether two versions of the same airport are active.
| What floats | Likely cause |
|---|---|
| Every aircraft at one airport | Airport elevation, terrain mesh, duplicate scenery or scenery priority conflict |
| Aircraft at one gate only | Faulty local apron mesh, elevated platform or incorrectly placed stand |
| One add-on aircraft everywhere | Incorrect contact points, landing-gear animation or model geometry |
| AI aircraft only | Faulty AI model geometry, model matching or traffic placement |
| Multiplayer aircraft only | Different terrain data, model matching or network position interpolation |
| Static parked aircraft only | Airport object-placement error; static aircraft do not use normal flight physics |
Airport packages may include terrain shaping, aprons, stand positions and an assumed field elevation. A separate mesh, an older airport package or another regional scenery can place the physical ground above the visible apron. Our detailed airport elevation and scenery-conflict checklist covers the closely related case where the entire add-on airport is displaced.
How do I fix floating aircraft at gates?
- Identify the scope. Test a default aircraft at the same gate, then test the affected aircraft at a default airport. Also check the runway and another stand. This separates an airport problem from an aircraft problem quickly.
- Restart the simulator. Return to the main menu or close the simulator fully after changing scenery. Some simulators retain terrain and object data during the session, so reloading the flight alone may not prove that a change worked.
- Disable duplicate airports. Temporarily remove competing airport packages rather than deleting them. In Microsoft Flight Simulator, check Community packages and installed airport content; in X-Plane, inspect airport entries in
scenery_packs.ini; in FSX and Prepar3D, check the Scenery Library. - Test without regional mesh or terrain add-ons. Disable broad terrain, photo scenery and airport-elevation corrections covering the area. If the wheels return to the apron, restore packages one at a time until the conflict reappears.
- Correct scenery priority. Airport scenery normally needs priority over broad regional scenery and terrain mesh. Follow the airport author's ordering instructions where provided; blindly rearranging every package can fix one field while breaking another.
- Rebuild caches only when terrain remains wrong. In Microsoft Flight Simulator, stale streamed terrain or cached data can contribute to a mismatch, but cache deletion is not the first fix for a duplicate airport. Use our MSFS streamed scenery and cache checks if nearby terrain is also blurred, distorted or slow to resolve.
- Check aircraft compatibility. If one aircraft floats at every airport, reinstall the version intended for that simulator and remove older copies. Do not copy contact-point values from an unrelated aircraft; those values depend on the model datum, wheel positions and suspension geometry.
Do not use slew mode to push the aircraft down and treat that as a repair. It changes the immediate position but leaves the scenery elevation or model geometry untouched, so the aircraft will usually jump back after repositioning or reloading.
Why does only one aircraft float above the ground?
One aircraft floating at every airport points to its model rather than the scenery. The simulator rests an aircraft on mathematical contact points, while the wheels you see belong to the visual model; if those two do not coincide, the tyres can hover even though the physics engine considers the aircraft grounded.
A small gap can also come from an incorrect suspension animation, wheel radius or low-detail model. Test the main and nose gear from several close external angles because weak contact shadows can exaggerate a tiny visual gap. If an updated, simulator-compatible aircraft package does not cure it, the model or configuration requires correction by its developer.
Why do AI or multiplayer aircraft float?
AI and multiplayer aircraft can float even when your own aircraft sits correctly because they may use different models and position data. If one AI type floats everywhere, its contact points or visual model are suspect; if all traffic floats at one airport, investigate the scenery.
Remote multiplayer aircraft can also be positioned against terrain elevation reported by another installation. Different airport add-ons, terrain packages and network interpolation create vertical offsets that cannot always be eliminated locally. Using matching airport scenery and the correct model reduces the discrepancy.
If AI traffic also misses stands or stops in unsuitable places, use the separate checks for AI parking definitions, wingspan limits and gate allocation.
Why is the aircraft grounded but the jetway is misaligned?
A misaligned jetway does not necessarily mean the aircraft is floating. Jetways depend on the parking position, aircraft door definition, stand heading and activation trigger; a visually plausible gate can still be configured incorrectly. Check our MSFS jetway and parking-stand troubleshooting when the wheels touch the apron but the bridge connects too high, too low or not at all.