Yamokoski William GLASTAR
N4970Y is a Yamokoski William GLASTAR, a fixed-wing airplane with one motor with a piston engine, built in 2002. It has 2 seats. It is registered to an individual in Saint Joseph, Michigan. The registration is valid: it was issued on August 14, 2002 and expires on January 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated October 13, 2002.
Aircraft
- Maker
- Yamokoski William
- Model
- GLASTAR
- Serial number
- 5377
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Subaru ALL MDLS A/B · 400 hp
- Seats
- 2
- Year built
- 2002
- Kit
- STODDARD HAMILTON GLASTAR
- Transponder code
- A62C88 (octal 51426210)
Registration
- Status
- Valid registration
- Certificate issued
- August 14, 2002
- Expires
- January 31, 2028
- Last FAA action
- April 14, 2023
- Airworthiness
- Experimental · Amateur built · October 13, 2002
- FAA region
- Great Lakes
- FAA record id
- 00002369
Owner as the FAA publishes it
- Name
- Yamokoski William
- Type
- Individual
- Address
- 2000 Forres Ave
Saint Joseph, MI 49085-1607
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 · 2 to understand · 3 clear
The public federal record on N4970Y, 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 Yamokoski William, an individual, certificate issued August 14, 2002, expires January 31, 2028. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated October 13, 2002, consistent with the 2002 manufacture year. [1]
No earlier tail number is recorded against serial 5377 for this model in the deregistered file. [2]
N4970Y was previously assigned to 1 other aircraft: Piper PA-25-235 (serial 254773, cancelled date not given). 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]
2 NTSB records under N4970Y: Accident on July 22, 2012 at Chicago, IL: minor injuries, substantial damage. Accident on August 21, 2005 at Marcellus, MI: no injuries, substantial damage. 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: Yamokoski William GLASTAR · operated under 091
Failure of the automotive engine's reduction gearbox while in cruise flight.
Search the NTSB's CAROL system for CEN12LA470 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Yamokoski Glastar · operated under 091
The in-flight loss of engine power during cruise for undetermined reasons and the unsuitable terrain the pilot encountered during the forced landing. A factor was the tall corn he encountered.
Search the NTSB's CAROL system for CHI05CA236 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