Classic services

Aviation standards

Inmarsat's Classic range of aeronautical services supports high-quality voice, low-speed data and safety communications. They are used by most of the world's airlines and corporate jet operators, as well as governments for VIP aircraft, coastguard and defence agencies.

There are six services, which vary in capability, coverage, equipment size and cost:

Aero H
Multi-channel voice, 10.5kbps fax and data, delivered via a high-gain antenna within the satellites' global beams. ICAO approved for safety services.

Aero H+
Multi-channel voice, 10.5kbps fax and data, delivered via a high-gain antenna within the spot beams of the Inmarsat-3 satellites and the full footprint of the Inmarsat-4 Atlantic Ocean Region (AOR) satellite, at a lower cost per connection. ICAO approved for safety services.

Aero I
Multi-channel voice, 4.8kbps circuit-mode data and fax, delivered via an intermediate-gain antenna. Available in the spot beams of the Inmarsat-3 satellites. ICAO approved for safety services. Also supports low-speed packet data supported in both the Inmarsat-3 spot beams and in the full footprint of the Inmarsat-4 satellites.

Aero L
Global data communications at 600 to 1200bps, principally to support air traffic control and airline operations. Supports Acars/Aircom messaging. ICAO approved for safety services.

Mini M Aero
Single-channel voice, fax or 2400bps data, for general aviation and smaller corporate aircraft. Supports STU-III encrypted voice.

Aero C
Supports two-way 600bps store-and-forward data messaging, polling and integrated GPS position-reporting for non-safety-related purposes.

Coverage

Inmarsat's Classic services are delivered within the spot beams of the Inmarsat-3 satellites and the whole footprint of the Inmarsat-4 footprint in the Atlantic Ocean Region.