N634SY - Embraer S A Erj 170-200 LL Aircraft Registration

EMBRAER S A ERJ 170-200 LL

Aircraft Description

N634SY is a Embraer S A ERJ 170-200 LL, a twin-engine turbo-fan aircraft registered to Skywest Airlines INC in St George, UT. The registration certificate was issued on October 30, 2025. The registration is set to expire on October 31, 2032. The aircraft is configured with 88 seats. The aircraft's Mode S transponder code is A84E3F (hex), used for ADS-B identification and flight tracking. N634SY was last tracked by AviatorDB near San Francisco International Airport (KSFO) on April 2, 2026. The FAA registry record for N634SY was last updated on October 30, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Embraer S.A., headquartered in Sao Jose dos Campos, Brazil, is a major aerospace manufacturer producing commercial, executive, military, and agricultural aircraft. Their E-Jet family serves regional airlines worldwide, while the Phenom and Praetor lines serve the business aviation market. AviatorDB tracks 787 Embraer S A aircraft currently registered in the FAA database, including the ERJ 170-200 LL model.

AviatorDB has found no NTSB accident or incident reports involving N634SY. 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
Manufacturer
EMBRAER S A
Model
ERJ 170-200 LL
Type Aircraft
Fixed Wing Multi Engine
Weight Class
20,000+ lbs
Airworthiness Date
Classification
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
October 30, 2025

Registered Owner

Name
SKYWEST AIRLINES INC
Address
444 S RIVER RD
City
ST GEORGE
State / Zip Code
Utah84790-2085
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Mode S Code (Oct)
52047077
Mode S Code (Hex)
A84E3F

Additional Details

Registration
N634SY
Serial Number
17001004
Number of Engines
2
Number of Seats
88
Expiration Date
October 31, 2032
Last Action Date
October 30, 2025
Last Update Date
January 19, 2026
Unique ID
01522247

Last Known Position

Date
April 7, 2026 (UTC 21:39:29)
Airport
Latitude
39.482346
Longitude
-107.182557

Data Source

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

Last updated: 2026-04-01 01:32:20 UTC