SQ4 — Amateur-built (experimental) SQ4
Model overview
Fleet & certification
- Built
- 1
- Active
- 1
- Origin
- ZZ
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Safety & ops history
Where to look next
Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.
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Registered SQ4 aircraft
Individual SQ4 airframes by tail number — registration history, operator and lineage.