Mapterhorn Glide Cone

← long click here to change glide parameters and visualisation

← long click here to change gradient parameters

Clear cache

OpenAIP data: …

Mapterhorn terrain tiles: …

Selected cells: …

OpenAIP data

Click the map to place an airport.

Name (optional)

Base Map

Minimum gradient altitude

Maximum gradient altitude

Airspace

Glide Cones

Overlay

Sectors opacity

50%

L/D

Circuit height (m)

Ground clearance (m)

Max altitude (m)

Terrain zoom

Resolution: —

Window from glide range (1.25 × max alt × L/D)

Window size (km)

± from map centre (total width ×2)

Include prohibited airspace (prohibited, overflight restriction)

Stop at iter

Include manual airports

Disable imported airports

Debug mode

Loading WebGPU…

Vertical Velocity

Weather opacity

70%

Cache forecast

Download contours for offline use across available forecast times.

For (UTC) To (UTC)

One hour forecast for CH1: 177MB before processing, ensure good network

IconCH1 : —

IconCH2 : —

Dev

Fake GPS Uses map centre as position (localhost only).

Altitude (m)

Z dist

minimum alt

delta

reqL/D

Airspace

—