Public Record · As of May 5, 2026
N721R
Ryan Aeronautical ST3KR · 1942 View Type →
Status
Registration Valid
Type
Fixed Wing Single Engine
Engine
FAIRCHILD 6-440-C5
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 N721R.
Tail Number
N721R
Serial Number
1840
Make
RYAN AERONAUTICAL
Model
ST3KR
Year of Manufacture
1942
Mfr / Model Code
7830502
Type Aircraft
Fixed Wing Single Engine
Type Engine
Reciprocating
Engines
1
Seats
2
Engine Manufacturer
FAIRCHILD
Engine Model
6-440-C5
Horsepower
200 hp
Weight Class
CLASS 1
Certification
Standard (+1 flag) · code 1N
Registrant
CP AIR LLC · LLC
Address
500 DISCOVERY PKWY STE 375 · SUPERIOR, CO 80027-8641
FAA Region
Southern · County 013
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
A9A8BA
Mode S (Octal)
52324272
Live position via ICAO24 A9A8BA
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
03 / Airworthiness Directives
Applicable to RYAN AERONAUTICAL ST3KR
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 / Related
More on Ryan Aeronautical ST3KR in the Atlas
Ryan Aeronautical ST3KR type page → — 116 registered · 44 NTSB records
Recent NTSB events · this type
-
Aug 16, 2020
Port Townsend, Washington None
Atlas event → -
Aug 6, 2015
Hollister, California Fatal
Atlas event → -
Jul 24, 2011
Sagaponack, New York Serious
Atlas event → -
Oct 20, 2007
Unadilla, Georgia None
Atlas event → -
Sep 19, 2004
Bealeton, Virginia Serious
Atlas event →
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / 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
We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.