N4121D
1957 Helio Courier H391B
N4121D on the FAA register
Timeline
- 1957-01-04Airworthiness date on the current FAA record (standard category).
About N4121D
N4121D is a 1957 Helio Courier H391B (FAA model H-391B), serial number 041. It is registered to an individual in Weirsdale, Florida.
The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming GO-435C&D series engine and 4 seats. Its airworthiness certificate is standard category, dated January 4, 1957.
No NTSB accident or incident reports and no FAA preliminary notices are on file for N4121D.
Accident & incident history
✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4121D.
Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records
More Helio Courier H391B aircraft
All 16 Helio Courier H391B registrations →Other aircraft registered in Florida
All 21,712 aircraft registered in Florida →Other single-engine pistons on the register
Helio models on the register
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Browse: Aircraft registered in Florida· Registry by state· FAA registry stats
Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.
