FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026
N37504 — Boeing 737-9
Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.
Registration
Registrant
UNITED AIRLINES INC
Registrant Type
Corporation
Location
CHICAGO, IL
Status
Registration Valid
Certificate Issued
May 21, 2018
Airworthiness Date
May 18, 2018
Registration Expires
May 31, 2028
Last Action
May 12, 2023
Aircraft
Serial Number
43435
Year Manufactured
2018
Aircraft Type
Fixed Wing Multi Engine
Certification
Standard (+1 flag)
Engine
CFM INTL LEAP-1B28 SER
Engines / Seats
2 / 48
Weight Class
CLASS 3
Mode S (Hex)
A448D3
Type History
Boeing 737-9 type page → — 252 registered · 33 NTSB records · 47 airworthiness directives
Live position via ICAO24 A448D3
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