N604S - 1984 Gates Learjet Corp. 35A Aircraft Registration

LJ35

1984 GATES LEARJET CORP. 35A

Aircraft Description

N604S is a 1984 Gates Learjet Corp. 35A, a twin-engine turbo-fan aircraft registered to Butler National INC in New Century, KS. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on April 29, 2025. The registration certificate was issued on December 4, 2019. The registration is set to expire on December 31, 2029. Powered by a Garrett TFE731 SERIES engine producing 3500 pounds of thrust, N604S is. The aircraft's Mode S transponder code is A7D7AB (hex), used for ADS-B identification and flight tracking. N604S was last tracked by AviatorDB at coordinates 38.0582, -97.2745 on May 5, 2025. The FAA registry record for N604S was last updated on June 30, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Learjet, now part of Bombardier Aviation, produced lightweight, fast business jets that became synonymous with private aviation. From the original Lear 23 to the Learjet 75 Liberty, the brand symbolizes speed and luxury in business aviation. AviatorDB tracks 136 Gates Learjet Corp. aircraft currently registered in the FAA database, including the 35A model.

AviatorDB has found no NTSB accident or incident reports involving N604S. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1984
Manufacturer
GATES LEARJET CORP.
Model
35A
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
Cruise Speed
400 mph
Weight Class
12,500–19,999 lbs
Airworthiness Date
April 20, 2026
Classification
Standard Transport Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
December 4, 2019

Registered Owner

Name
BUTLER NATIONAL INC
Address
1 AERO PLZ
City
NEW CENTURY
State / Zip Code
Kansas66031-1156
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
GARRETT
Engine Model
TFE731 SERIES
Thrust
3500 lbs
Mode S Code (Oct)
51753653
Mode S Code (Hex)
A7D7AB

Additional Details

Registration
N604S
Serial Number
597
Number of Engines
2
Number of Seats
10
Expiration Date
December 31, 2029
Last Action Date
June 30, 2023
Last Update Date
January 19, 2026
Unique ID
00430115

Last Known Position

Date
April 27, 2026 (UTC 21:13:37)
Airport
Latitude
38.039017
Longitude
-97.276455

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-01 01:32:20 UTC