N121ST — Hylio Inc AG 230
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N121ST has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 25, 2026.
Aircraft record
- Serial number
- 17906100252
- Manufacturer
- Hylio Inc
- Model
- AG 230
- Category
- Rotorcraft
- Registration
- Active
- Registered to
- Trost Scot A — Lenox, IA
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the Hylio Inc AG 230).
- May 2, 2025registered — Trost Scot A
Earlier aircraft on this N-number
The tail number N121ST was previously assigned to different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the Hylio Inc AG 230 above.
- until May 13, 2015Poellien Gary R ADVCD AVIA BUCCNR SX (s/n BUC.SX.0027)
- until Feb 27, 1992Hacker Stephen W GLASAIR III (s/n 3157)
Frequently asked
- Has N121ST been in an accident?
- No NTSB accident records are on file for N121ST.
- What kind of aircraft is N121ST?
- N121ST is a Hylio Inc AG 230 (rotorcraft), serial number 17906100252.
- Who is N121ST registered to?
- N121ST is registered to Trost Scot A of Lenox, IA. Registration status: active.
The full N121ST report
$12 $29 launch pricing
- Full NTSB investigation narratives — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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