Public Record · As of May 5, 2026
N121ST
Status
Registration Valid
Type
Rotorcraft
Engine
—
Last Cert Issue
—
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N121ST.
Tail Number
N121ST
Serial Number
17906100252
Make
HYLIO INC
Model
AG 230
Year of Manufacture
—
Mfr / Model Code
06102EY
Type Aircraft
Rotorcraft
Type Engine
Electric
Engines
8
Seats
—
Engine Manufacturer
—
Engine Model
—
Horsepower
—
Weight Class
CLASS 1
Registrant
TROST SCOT A · Individual
Address
1148 STATE HIGHWAY 25 · LENOX, IA 50851-8807
FAA Region
3 · County 173
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
A0590B
Mode S (Octal)
50054413
Live position via ICAO24 A0590B
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
-
Oct 27, 1991
SCOTTSDALE, Arizona fatal
03 / Airworthiness Directives
Applicable to HYLIO INC AG 230
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
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