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

N604S — Gates Learjet 35A

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

BUTLER NATIONAL INC

Registrant Type

Corporation

Location

NEW CENTURY, KS

Status

Registration Valid

Certificate Issued

Dec 4, 2019

Airworthiness Date

Apr 29, 2025

Registration Expires

Dec 31, 2029

Last Action

Jun 30, 2023

Aircraft

Serial Number

597

Year Manufactured

1984

Aircraft Type

Fixed Wing Multi Engine

Certification

Experimental (+2 flags)

Engine

GARRETT TFE731 SERIES

Engines / Seats

2 / 10

Weight Class

CLASS 2

Mode S (Hex)

A7D7AB

Type History

Gates Learjet 35A type page → — 136 registered · 20 NTSB records · 2 airworthiness directives

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