Blue Sky Avionics

Hot Air Products

Pegasus HA (formerly known as the M57)

The Pegasus HA is the most advanced, most comprehensive balloon flight instrument available today. Packed with features like flight data logging and a basic barograph. And when combined with an external GPS receiver, you have a full-feature barograph recorder that will record speed and position information for up to 110 hours!

The Pegasus HA System Features:

  • Wireless Pyrometer

  • Indicates Envelope as well as Ambient or Differential Temperatures
  • Large User Friendly Display

  • Displays both MSL with Barometric Setting, and AGL or Reference Altitudes

  • Continuous Battery Level Indicator

  • Real-Time Clock

  • FAA TSO Certification in process

  • Extensive 256-Flight Memory that Records:

  • Flight Number
  • Highest Altitude Above Sea Level
  • Highest Rate of Sink
  • Average Ambient Temperature
  • Maximum MSL Altitude
  • Maximum Envelope Temperature
  • Date and Starting Time of Flight
  • Highest Altitude Above Reference
  • Maximum Envelope Temperature
  • Flight Time Total Hours
  • Maximum Climb Rate
  • Barograph Feature, Allows for a Maximum 110 hour Flight!
  • Duration of Flight
  • Highest Rate of Climb
  • Average Envelope Temperature
  • Number of Flights
  • Maximum Decent Rate

2-Year Manufacturer's Warranty * Made in USA

This is what you get in the Base System:

* Pegasus HA * HA Transmitter * Owners Manual
* Installation Manual * Mounting Straps * Wall Charger
* Car Charger * 9-Volt Lithium Battery * Barograph Software (WIN)


All you will need to upgrade to the full Flight Data Logging System, is a Garmin GPS Receiver and the connecting cable.

Retail Price, Base System $1500.00
Check with Blue Sky Avionics for Prices on Garmin GPS Products
Downloads: [Spec Sheet] [Manual 374KB] [Barograph Software]

If you already have the Barograph Software but are having error messages, download the following update. [Pegasus HA Software Update]