N4970Y: 2002 Yamokoski William GLASTAR, Saint Joseph, MI

Registered owner: Yamokoski William
Location: Saint Joseph, MI
Owner type: Individual
Serial number: 5377
Year built: 2002
Type: Fixed wing single engine
Engine: Reciprocating
Airworthiness: Experimental, amateur built
Airworthiness date: October 13, 2002
Certificate issued: August 14, 2002
Expires: January 31, 2028
Mode S code: A62C88
Kit: Stoddard Hamilton GLASTAR

Yamokoski William GLASTARAirframe model · 2 seats · 1 engine · 1 registered Engine modelSubaru ALL MDLS A/B

From the FAA registry file of October 24, 2026.

On this page

Airworthiness directives that may apply · 0

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.

Information bulletins that may apply

Advisory, not mandatory.

No bulletins matched this aircraft’s models

NTSB investigations · 2

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

NTSB CEN12LA470Accident · Minor injuriesLimited investigationFinal reportChicago, ILFailure of the automotive engine's reduction gearbox while in cruise flight.Jul 22, 2012 · Substantial damage NTSB CHI05CA236Accident · No injuriesData collectionFinal reportMarcellus, MIThe 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.Aug 21, 2005 · Substantial damage

Investigations on N4970Y not matched to an aircraft · 2

They name N4970Y, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.

NTSB ATL80FKG16Accident · Serious injuriesClosedPiper PA-25 · Unadilla, GAJul 26, 1980 · Destroyed NTSB OAK74FVG34Accident · No injuriesClosedPiper PA-25 · Davis, CAMar 23, 1974 · Substantial damage

FAA incident reports · 2

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Accident 20120722016159ACruise/Level Flight · Chicago, ILOn July 22, 2012, at approximately 13:00 CDT, N4970Y an experimental amateur built Glastar, enroute from oshkosh, WI to benton harbor, mi declared an emergency to gary tower due to loss of engine power. The aircraft landed in an empty dredge field along lake…Jul 22, 2012 · Substantial damage Accident 20050821024269AFcd/Prec Ldg From Cruise · Marcellous, MI(-23) Pilot stated that aircraft engine started to run rough and quit running at 2800 feet MSL. Pilot landed aircraft in corn field. Aircraft flipped over upon landing and received substantial damage. Pilot was only person on board and did not receive any…Aug 21, 2005 · Substantial damage

Reports on N4970Y not matched to an aircraft · 2

They name N4970Y, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

Accident 19800726030699APiper PA25235 · Unadilla, GAPulled up too late at end of swath run. Struck trees at edge of spray field.Jul 26, 1980 · Destroyed Accident 19740323006019APiper PA25235 · Davis, CABrakes faded ldg on rough gravel road.Mar 23, 1974 · Substantial damage

Service difficulty reports

No reports matched to N4970YGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Yamokoski William GLASTAR aircraft

STCs that may be installed

No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.

Earlier aircraft with this N-number · 1

This aircraft carried N4970Y before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.

UndatedPiper PA-25-235 · S/N 254773Cancellation date not recorded · Triennial form not returned

N4970Y