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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 International Air Services INC Trustee, a corporation in Carson City, Nevada. The registration is valid: it was issued on October 8, 2026 and expires on October 31, 2033. It holds a standard airworthiness certificate for normal, dated December 12, 1983. 1 document is on file: bill of sale (evidence of ownership).
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Aircraft
- Maker
- Grumman
- Model
- G-21A · all G-21As and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Grumman G-21 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- B-120
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 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 registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- October 8, 2026
- Expires
- October 31, 2033
- Last FAA action
- October 8, 2026
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · NormalFAA certificate purpose code N (the kind of airworthiness certificate it flies under and what it is approved for). All codes · December 12, 1983
- FAA region
- Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
- FAA record id
- 00502974
Owner as the FAA publishes it
- Name
- International Air Services INC Trustee
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 123 W Nye Ln Ste 129
Carson City, NV 89706-0838
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 1
Earlier use of this number 1
Connections how N4575C links to the rest of the register
- Grumman G-21 35 registered
- Grumman 442 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- Pratt & Whitney R-985 series 1,593 aircraft with this engine series · 450 hp
- International Air Services INC Trustee 611 aircraft in the fleet
- Carson City, NV 959 aircraft registered in this town
- Carson City Airport · CXP
- Nevada 4,588 aircraft registered
- FAA orders naming the Grumman G-21 10 airworthiness directives
- Approved modifications for the Grumman G-21 40 supplemental type certificates
- Failure reports on the Pratt & Whitney R-985 series 80 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N4575C.json.
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 International Air Services INC Trustee, a corporation, certificate issued October 8, 2026, expires October 31, 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]
1 document received recently: Bill of sale (evidence of ownership) (October 6, 2026). [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 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 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 23, 2026. See this record on the FAA site · This record as data