Registry / Boeing / 767-322 / N644UA

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N644UA V

Boeing 767-322 · 1991 · Chicago, IL

This aircraft — FAA registration facts

N644UA is a 1991 Boeing 767-322 (serial 25094), registered to United Airlines Inc (corporation) in Chicago, IL. Its FAA registration is recorded as v and expires June 2028; the airworthiness certificate dates from May 1991 (35 years ago). It carries 2 P&W PW4000 SER engines rated at 60,000 lbf each (120,000 lbf total), the engine on 83% of registered Boeing 767-322s. Its Mode-S transponder broadcasts the ICAO 24-bit address A875DA. It is one of 36 Boeing 767-322 aircraft on the FAA registry. United Airlines Inc holds 1,218 aircraft on the registry.

Registered owner
United Airlines Inc
Owner type
Corporation
Based in
Chicago, IL
Serial number
25094
Year built
1991 · 35 yrs old
Airworthiness class
Standard – Transport
FAA status
V
Mode-S / ICAO24
A875DA · 52072732 octal
Certificate issued
Jun 3, 2015
Airworthiness date
May 17, 1991
Last FAA activity
May 19, 2023
Registration expires
Jun 30, 2028
FAA region
Central

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
P&W PW4000 SER
Engine type
Turbo-fan
Rated thrust
60,000 lbf × 2 (120,000 lbf total)
FAA engine code
52119

30 of the 36 registered Boeing 767-322 carry this engine (83%), across 4 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N644UA

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Flight history & live tracking recent positions on file

ICAO24: a875da
Last known — 1 week ago UAL52
Observed 2026-10-16 15:57:52 MST
Auto-refresh • Updated 0s ago
Ground speed
0 kt
Altitude (baro)
GROUND
Track
—
Squawk
—
Wind / OAT
—
Autopilot target
—
Lat 38.95188, Lng -77.45714
Map loads when scrolled into view …
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Aircraft Type — ACFTREF 1385200

Boeing 767-322
Engines: 2
Type: jet
Seats: 330
Category: Standard

Engine — CODE 52119

Manufacturer: P&W
Model: PW4000 SER
Type: Turbo-fan
Thrust: 60,000 lbs

FAA Registration Record

N-Number: N644UA
Serial Number: 25094
Year Manufactured: 1991
ACFTREF Code: 1385200
Engine Code: 52119
Status: V (V)
Certification: Standard – Transport
Type Aircraft: Fixed Wing Multi Engine (5)
Type Engine: Turbo-fan (5)
Source: master

Documents & resources

Commonly available reference sources for the Boeing 767-322. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the Boeing 767-322 model overview, reviews & photos →

These are commonly available reference sources. FerryFlight Hub does not provide sample or generated documents on this page.

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Transponder / ADS-B

Mode S (octal): 52072732
ICAO 24-bit (hex): A875DA

Registrant

United Airlines Inc
Corporation
View all 1,218 aircraft registered to this owner →
233 S Wacker Dr
Chicago, IL, 606067147
FAA Region: Central

Key Dates

Certificate Issued Jun 3, 2015
Airworthiness May 17, 1991
Expiration Jun 30, 2028
Last Activity May 19, 2023
Data as of Oct 5, 2026

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