FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N64491 — Hartmaier THORP T-18

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

HARTMAIER ROBERT S JR

Registrant Type

Individual

Location

MONROE TOWNSHIP, NJ

Status

Registration Valid

Certificate Issued

Aug 13, 1982

Airworthiness Date

—

Registration Expires

Jan 31, 2028

Last Action

Apr 14, 2023

Aircraft

Serial Number

573

Year Manufactured

1973

Aircraft Type

Fixed Wing Single Engine

Certification

Unknown

Engine

—

Engines / Seats

1 / 2

Weight Class

CLASS 1

Mode S (Hex)

A877C4

Type History

Hartmaier THORP T-18 type page → — 1 registered · 0 NTSB records · 0 airworthiness directives

Live position via ICAO24 A877C4

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