Patents issued and pending
© 2024 Urban Sky. All Rights Reserved. Urban Sky, 4800 Race St. Denver, CO 80216
Status: Active
Authors: Jared Leidich, Nathan Greeney
Change Log:
- 7 November, 2024 — Finalized and prepared for publishing
- 5 February, 2025 - Updated to 16 Gore
- 6 February, 2025 - Clarified List Mass Specifications
- 5 March, 2025 - Updates to Payload Capabilities

Physical Properties:
- Lift capacity: 12 Lb - 50 Lb (5.4 Kg - 22.5 Kg)
- These balloons are configured in such a way that they must be flown in accordance with the regulations laid out in 14 CFR Part 101 Subpart D when used in the United States.
- Maximum Float Altitude: 75,000 ft (22.25 km)
- Float altitude depends on lift gas type and hook-on mass. See chart below.
- Total balloon system mass: 17.63 lbs (8 Kg)
- This mass does not include the ballaster or any payload.
- Shelf life: 1 Year
Command and Control Capabilities:

16-gore Performance. This graph depicts the float altitude achieved for a range of payload masses. It also shows how many helium tanks are required per payload mass.
Urban Sky balloons are preconfigured to link to the Urban Sky Missions Control Portal. Balloons will appear in the portal upon power on (requires a clear view of the sky).