Airframe N444YX Key Facts

  • Airframe N444YX (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 A55BB5 with manufacturer serial number (MSN) 17000453.
N444YX (Embraer E175)
Embraer E175 · Operated by American Airlines Reference: Aviation Photography

Registry Record

Registration Mark
N444YX
Manufacturer Serial Number (MSN)
17000453
Mode S 24-bit ICAO Hex
a55bb5
Registered Owner
Republic Airways Inc
Lessor / Financing
SMBC Aviation Capital
Estimated Airframe Age
4.4 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 17000453 • Hex A55BB5
2022 OEM Production
Assembled by Embraer
Manufactured as Embraer E175 with Manufacturer Serial Number 17000453 and assigned ICAO Mode S hex A55BB5.
2022 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N444YX.
2025 Asset Financing
Financed by SMBC Aviation Capital
Placed under operating lease portfolio with long-term placement agreement and institutional asset management.
2026 (Current) ACTIVE
Operated by American Airlines
Current observed airframe age is 4.4 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