Flight Tracker
N21129
2003 EMBRAER EMB-145XR
Fixed wing multi engine · Turbo-fan · Standard
1 NTSB record for this tail number. See the full record below.

Registration

Registered Owner
UNITED AIRLINES INC
Registrant Type
Corporation
Location
CHICAGO, IL
Status
Valid
Certificate Issued
Aug 27, 2019
Airworthiness Date
Feb 25, 2005
Expires
Aug 31, 2029
Approved Operations
Transport

Airframe

Manufacturer
EMBRAER
Model
EMB-145XR
Year
2003
Serial Number
145703
Seats
55
Engines
2
Max Weight
12,500 - 19,999 lb
Cruise Speed
-
Type Certificate
-

Powerplant

Engine Manufacturer
ROLLS-ROYC
Engine Model
AE3007 SER
Type
Turbo-fan
Power
6,442 lbf thrust

Live Flight Status

Checking live traffic…

Coverage depends on ground receiver reception and is not a complete picture of traffic.

Transponder & Tracking

Mode S Code (Hex)
A1BFF9
Mode S Code (Octal)
50337771

The hex code is the aircraft's ICAO 24-bit address, broadcast by its ADS-B transponder. It is the key used to match live position reports to this registration.

NTSB Accident & Incident Record

Sep 25, 2025 Incident Minor Roanoke, VA
InjuriesNone
Phase of Flight-
ConditionsIMC
OperationFAR 121
NTSB DCA25LA339