LIVE DATA
Telemetry Active
Today 2026-09-17
Data refreshed 00:00 UTC
Refresh in 04:59

N400SY

Type: Embraer E175 (E75L) Mode S Hex: A4AE48 Operator: Skywest Airlines Status: ACTIVE

Airframe N400SY Key Facts

  • Airframe N400SY (Embraer E175) was last observed on 2026-09-17 at monitored terminal (Global Airspace).
  • Current operational status is classified as ACTIVE with 0 consecutive days unobserved.
  • Registered Mode S 24-bit transponder address is A4AE48 with manufacturer serial number (MSN) 17000732.
N400SY (Embraer E175)
Embraer E175 · Operated by Skywest Airlines Reference: Aviation Photography
Aviation Spotter Galleries for Tail N400SY:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
N400SY
Manufacturer Serial Number (MSN)
17000732
Mode S 24-bit ICAO Hex
a4ae48
Registered Owner
Skywest Airlines Inc
Lessor / Financing
Nordic Aviation Capital
Estimated Airframe Age
7.2 years
Resolution Confidence
HIGH

Observation & Telemetry State

Current Status
ACTIVE
First Observed Date
2020-01-01
Last Observed Date
2026-09-17
Last Observed Airport
Unassigned Airspace
Days Without Observed Flight
0 days

Airframe Lifecycle & Genealogy History

MSN 17000732 • Hex A4AE48
2019 OEM Production
Assembled by Embraer
Manufactured as Embraer E175 with Manufacturer Serial Number 17000732 and assigned ICAO Mode S hex A4AE48.
2019 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N400SY.
2022 Asset Financing
Financed by Nordic Aviation Capital
Placed under operating lease portfolio with long-term placement agreement and institutional asset management.
2026 (Current) ACTIVE
Operated by Skywest Airlines
Current observed airframe age is 7.2 years. Telemetry active across global ADS-B tracking corridors.

90-Day Observed Activity Strip

Daily flight activity observations over the previous 90-day window.

Observed ADS-B Signal Unobserved / On Ground

Observed Flight Corridor History

CYYZ-KATLKATL-KLAXKLAX-KJFK