· ICAO24 78232a· last seen 2d ago

B-659X is a Comac C919, a twin-engine jet. SkyMeter has tracked 72 flights totalling 152 hours of airtime via ADS-B across 18 callsigns. Service window in our records spans 52 days. The Comac C919 has a maximum takeoff weight of 174,165 lb, medium wake category.

About the Comac C919

The COMAC C919 represents China's ambitious entry into the global narrowbody airliner market, marking the country's first domestically designed and manufactured large commercial jet. Developed by the Commercial Aircraft Corporation of China (COMAC) and first flown in 2017, the C919 directly challenges the Airbus A320 and Boeing 737 families in the 158-192 seat segment. The aircraft's designation reflects its design mission: "C" for China and COMAC, "9" symbolizing longevity in Chinese culture, and "19" indicating its approximate 190-seat capacity in typical configuration. After a lengthy certification process, the C919 entered commercial service with China Eastern Airlines in December 2022, becoming the first Chinese-built jetliner to carry fare-paying passengers on scheduled routes.

Powered by two CFM International LEAP-1C turbofan engines, the same family powering the latest A320neo and 737 MAX variants, the C919 features a modern supercritical wing design and advanced fly-by-wire flight controls. Its maximum takeoff weight of 174,165 pounds positions it squarely between the A320 and 737-800, with a design range of approximately 2,200 nautical miles enabling typical domestic and regional international routes across Asia. The aircraft incorporates a significant proportion of Western systems and components, including avionics from Honeywell and Rockwell Collins, though COMAC has stated intentions to develop indigenous alternatives for future variants to reduce foreign dependency.

The C919's operational envelope mirrors its Western competitors, with a maximum operating speed of 350 knots IAS and Mach 0.82, typical cruise altitudes up to 41,000 feet, and approach speeds around 138 knots. While currently limited to Chinese operators due to regulatory certification constraints (it holds CAAC type certification but not yet FAA or EASA approval), the aircraft represents a strategic milestone in China's aerospace ambitions. COMAC has secured over 1,000 orders, predominantly from Chinese airlines and leasing companies, positioning the C919 as a potential third force in the narrowbody duopoly if it can achieve broader international certification and market acceptance.

SkyMeter has tracked flights across airframes and operators spanning routes, with the largest observed operator.

FLIGHTS
72
all time
FLOWN HOURS
152
tracked time
📍
AIRPORTS VISITED
3
unique
📡
CALLSIGNS
18
5 routes
📅
SERVICE PERIOD
6/19/2026 → 8/11/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

0

No route data.

Aircraft specifications

Comac C919

Engines
Twin Jet
Vref (approach)
138 kt
Vmo
350 kt
MTOW
174,165 lb
Wake category
M

Recent flights

Newest 36 operations of B-659X

36
8/11/2026
5h 40m
No alerts
8/11/2026
21m
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8/10/2026
30m
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8/10/2026
28m
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8/9/2026
29m
No alerts
8/9/2026
24m
No alerts
8/8/2026
2h 26m
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8/6/2026
7h 29m
No alerts
8/5/2026
7h 21m
No alerts
8/3/2026
8h 5m
No alerts
8/3/2026
24m
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8/1/2026
19m
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7/30/2026
18m
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7/30/2026
5h 50m
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7/28/2026
27m
No alerts
7/28/2026
28m
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7/27/2026
10m
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7/26/2026
3h 59m
No alerts
7/25/2026
16m
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7/23/2026
20m
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7/18/2026
14m
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7/18/2026
27m
No alerts
7/16/2026
17m
No alerts
7/16/2026
22m
No alerts
7/5/2026
1h 12m
No alerts
7/4/2026
24m
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7/4/2026
8h 11m
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7/3/2026
8h 24m
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6/25/2026
17m
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6/25/2026
8h 20m
No alerts
6/25/2026
28m
No alerts
6/23/2026
17m
No alerts
6/20/2026
15m
No alerts
6/20/2026
22m
No alerts
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