DEPLOYDatabase

Company

Smartflyer

Swiss electric aircraft company headquartered in Sarnen, developing the SFx1 — a four-seat hybrid-electric aircraft.

HQ
Sarnen, Switzerland
Status
active

The verified answer

As of Aug 2026, DEPLOY verifies Smartflyer: 1 model. 1 source back the record.

CategoryDrones

Overview

Swiss electric aircraft company headquartered in Sarnen, developing the SFx1 — a four-seat hybrid-electric aircraft. Smartflyer partners with H55 (Swiss electric aviation battery specialist) for the Adagio battery system. In April 2026, H55 delivered the first certifiable battery modules for the SFx1 program. The Adagio battery system has successfully completed all regulator-required certification tests, demonstrating safety and reliability — a key milestone toward aircraft certification.

Verified record

Verified deployments
None on file
Active incidents
None on file

Key facts

Products

SFx1 — 4-seat hybrid-electric aircraft

Battery partner

H55 — Adagio battery modules (first delivery April 2026)

Certification

Adagio battery system passed all regulator-required certification tests

Data & sources

Web sources

1

1 source backing this record.View all →

Safety record

No incidents on record for Smartflyer.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Full safety record: incidents, sourcing, and exposure data →