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

N921US

Type: Airbus A321ceo (A321) Mode S Hex: ACC3B4 Operator: American Airlines Status: ACTIVE

Airframe N921US Key Facts

  • Airframe N921US (Airbus A321ceo) 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 ACC3B4 with manufacturer serial number (MSN) 6523.
N921US (Airbus A321ceo)
Airbus A321ceo · Operated by American Airlines Reference: LMP 2001
Aviation Spotter Galleries for Tail N921US:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
N921US
Manufacturer Serial Number (MSN)
6523
Mode S 24-bit ICAO Hex
acc3b4
Registered Owner
American Airlines Inc
Lessor / Financing
Avolon
Estimated Airframe Age
4.8 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 6523 • Hex ACC3B4
2021 OEM Production
Assembled by Airbus
Manufactured as Airbus A321ceo with Manufacturer Serial Number 6523 and assigned ICAO Mode S hex ACC3B4.
2021 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N921US.
2024 Asset Financing
Financed by Avolon
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 4.8 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