North American SNJ-4
N51428 is a North American SNJ-4, a fixed-wing airplane with one motor with a piston engine, built in 1957. It has 2 seats. It is registered to Mach 25 Aviation LLC, an LLC in Hudson, Wisconsin. The registration is valid: it was issued on July 18, 2013 and expires on July 31, 2029. It holds a standard airworthiness certificate, dated February 5, 1958.
Aircraft
- Maker
- North American
- Model
- SNJ-4 · all SNJ-4s and related versions
- Serial number
- 88-13891
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · P&W R1340 SERIES · 600 hp
- Seats
- 2
- Year built
- 1957
- Cruising speed
- 141 mph
- Transponder code
- A6730A (octal 51471412)
Registration
- Status
- Valid registration
- Certificate issued
- July 18, 2013
- Expires
- July 31, 2029
- Last FAA action
- August 18, 2023
- Airworthiness
- Standard · February 5, 1958
- FAA region
- Great Lakes
- FAA record id
- 00981425
Owner as the FAA publishes it
- Name
- Mach 25 Aviation LLC
- Type
- LLC
- Address
- 204 Starrwood
Hudson, WI 54016-7174
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 · 4 clear
The public federal record on N51428, 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 Mach 25 Aviation LLC, an LLC, certificate issued July 18, 2013, expires July 31, 2029. No fractional interest recorded. [1]
Standard certificate, dated February 5, 1958, consistent with the 1957 manufacture year. [1]
No earlier tail number is recorded against serial 88-13891 for this model in the deregistered file. [2]
N51428 was previously assigned to 1 other aircraft: Aeronca 0-58B (serial 1032, cancelled November 18, 1948). 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 N51428. 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