N4121D is a 1957 Helio H-391B. It is a fixed-wing single-engine aircraft with 4 seats, powered by a Lycoming GO-435C&D SER rated at 260 horsepower. The registration is active, with the registrant based in Weirsdale, FL. Its standard airworthiness certificate was issued in Jan 1957.
- 69 years old
- Only 16 Helio H-391B here
- No NTSB events on record
FAA recordRegistrant based in Weirsdale, FL · ownership change in 2026.
2026
FAA record · Aug 2026 · Registration
Re-registered to new owner
1957
FAA record · Jan 1957 · Airworthiness
Airworthiness certificate issued — Standard
That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N4121D's record changes.
No NTSB accidents or incidents on record
Checked against the public NTSB aviation database.
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