Registered owner
Hartmaier Robert S Jr
Owner type
Individual
Serial number
573
Year built
1973
Type
Fixed wing single engine
Engine
Reciprocating
Certificate issued
August 13, 1982
Expires
January 31, 2028
Mode S code
A877C4

From the FAA registry file of October 24, 2026.

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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

No NTSB investigations matched to N64491Matched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Hartmaier THORP T-18 aircraft

FAA incident reports

No FAA accident or incident reports matched to N64491Matched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Hartmaier THORP T-18 aircraft

Service difficulty reports

No reports matched to N64491General 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 Hartmaier THORP T-18 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 N64491 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.