Grumman G-21A
N4575C is a Grumman G-21A, a fixed-wing airplane with more than one motor with a piston engine. It has 8 seats. It is registered to Southern Aircraft Consultancy INC Trustee, a corporation in Casper, Wyoming. The registration is valid: it was issued on February 25, 2026 and expires on February 28, 2033. It holds a standard airworthiness certificate for normal, dated December 12, 1983.
Aircraft
- Maker
- Grumman
- Model
- G-21A · all G-21As and related versions
- Serial number
- B-120
- Type
- Fixed-wing, multi-engine
- Power
- Piston (reciprocating), 2 motors · P&W R-985 SERIES · 450 hp
- Seats
- 8
- Year built
- Not given
- Cruising speed
- 150 mph
- Transponder code
- A58F27 (octal 51307447)
Registration
- Status
- Valid registration
- Certificate issued
- February 25, 2026
- Expires
- February 28, 2033
- Last FAA action
- February 25, 2026
- Airworthiness
- Standard · Normal · December 12, 1983
- FAA region
- Northwest Mountain
- FAA record id
- 00502974
Owner as the FAA publishes it
- Name
- Southern Aircraft Consultancy INC Trustee
- Type
- Corporation
- Address
- 330 S Center St Ste 300
Casper, WY 82601-2873
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.
Earlier use of this number 1
Records check free · 1 to understand · 3 clear
The public federal record on N4575C, 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 Southern Aircraft Consultancy INC Trustee, a corporation, certificate issued February 25, 2026, expires February 28, 2033. No fractional interest recorded. [1]
Standard certificate for normal; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial B-120 for this model in the deregistered file. [2]
N4575C was previously assigned to 1 other aircraft: Cessna 170B (serial 25519, cancelled May 14, 1957). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [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]
No NTSB investigation records located under N4575C. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- 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