Ryan Aeronautical ST3KR
N721R is a Ryan Aeronautical ST3KR, a fixed-wing airplane with one motor with a piston engine, built in 1942. It has 2 seats. It is registered to Cp Air LLC, an LLC in Superior, Colorado. The registration is valid: it was issued on June 15, 2018 and expires on June 30, 2028. It holds a standard airworthiness certificate for normal, dated November 30, 2006.
Aircraft
- Maker
- Ryan Aeronautical
- Model
- ST3KR · all ST3KRs and related versions
- Serial number
- 1840
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Fairchild 6-440-C5 · 200 hp
- Seats
- 2
- Year built
- 1942
- Cruising speed
- 105 mph
- Transponder code
- A9A8BA (octal 52324272)
Registration
- Status
- Valid registration
- Certificate issued
- June 15, 2018
- Expires
- June 30, 2028
- Last FAA action
- May 19, 2023
- Airworthiness
- Standard · Normal · November 30, 2006
- FAA region
- Northwest Mountain
- FAA record id
- 00241357
Owner as the FAA publishes it
- Name
- Cp Air LLC
- Type
- LLC
- Address
- 500 Discovery Pkwy Ste 375
Superior, CO 80027-8641
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 2 to understand · 3 clear
The public federal record on N721R, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Cp Air LLC, an LLC, certificate issued June 15, 2018, expires June 30, 2028. No fractional interest recorded. [1]
The airworthiness certificate on file is dated November 30, 2006, 64 years after the 1942 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 1840 for this model in the deregistered file. [2]
No other airframe has carried N721R according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
2 NTSB records under N721R: Accident on June 8, 2012 at Norwalk, OH: no injuries, substantial damage. Accident on May 21, 1983 at Mesa, AZ: fatal, destroyed (2 fatal). Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 2
Aircraft on the NTSB record: Ryan Aeronautical ST3KR · operated under 091
The pilot’s failure to maintain directional control of the airplane while landing in a crosswind.
Search the NTSB's CAROL system for CEN12LA369 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Ryan PT-22/ST-3KR · operated under 091
Search the NTSB's CAROL system for LAX83FA240 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data