According to Gogo, the AML-STC covers 70% of customer aircraft that are still equipped with legacy air-to-ground systems.
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Gogo has received an FAA approved model list-supplemental type certificate (AML-STC) for the Gogo C1 line replaceable unit (LRU), covering 42 business aircraft models. The AML-STC enables customer aircraft equipped with legacy Gogo air-to-ground (ATG) connectivity systems to access Gogo’s LTE network—but only at 3G speeds—that will be available in May 2026. Gogo’s legacy ATG service will phase out early next year.
Before the C1 development, available alternatives would have been to upgrade to a Gogo Avance system, switch to Gogo’s 5G ATG (available later this year), or move to a satcom such as the low-earth-orbit Gogo Galileo or SpaceX Starlink systems, which might not yet be available for all the Gogo C1-eligible models.
Customers who complete the Gogo C1 installation before year-end are eligible for a $35,000 incentive. According to Gogo, the AML-STC covers 70% of customer aircraft that are still equipped with legacy ATG systems. The Gogo C1 system also offers “a practical bridging capability” for switching to an Avance system, the company said.
The C1 system LRU is a form-fit replacement for legacy ATG systems and contains a dual-technology aircard that “connects to the existing network and will automatically transition to the new LTE network when it becomes available,” according to Gogo.
According to Duncan Aviation, a Gogo dealer, “The Gogo C1 delivers comparable performance to legacy ATG systems, ensuring no disruption in in-flight connectivity capabilities. However, it does not introduce performance boosts tied to the LTE network upgrade, positioning it as a continuity-focused solution rather than a long-term enhancement.”
The AML-STC was developed by Metrea Aerospace Design in collaboration with Gogo. Aircraft covered by the STC include Bombardier Challenger and Learjet; Cessna Citation; Dassault Falcon; Embraer; Gulfstream; and Hawker models.
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Gogo STC Offers Continued Service for Legacy Customers
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Gogo has received an FAA approved model list-supplemental type certificate (AML-STC) for the Gogo C1 line replaceable unit (LRU), covering 42 business aircraft models. The AML-STC enables customer aircraft equipped with legacy Gogo air-to-ground (ATG) connectivity systems to access Gogo’s LTE network—but only at 3G speeds—that will be available in May 2026. Gogo’s legacy ATG service will phase out early next year.
Before the C1 development, available alternatives would have been to upgrade to a Gogo Avance system, switch to Gogo’s 5G ATG (available later this year), or move to a satcom such as the low-earth-orbit Gogo Galileo or SpaceX Starlink systems, which might not yet be available for all the Gogo C1-eligible models.
Customers who complete the Gogo C1 installation before year-end are eligible for a $35,000 incentive. According to Gogo, the AML-STC covers 70% of customer aircraft that are still equipped with legacy ATG systems. The Gogo C1 system also offers “a practical bridging capability” for switching to an Avance system, the company said.
According to Duncan Aviation, a Gogo dealer, “The Gogo C1 delivers comparable performance to legacy ATG systems, ensuring no disruption in in-flight connectivity capabilities. However, it does not introduce performance boosts tied to the LTE network upgrade, positioning it as a continuity-focused solution rather than a long-term enhancement.”