601 ASSETS LLC· ICAO24 add7f2· last seen May 2026

N991SH is a Canadair Challenger 600/601/604, a twin-engine jet operated by 601 ASSETS LLC. SkyMeter has tracked 222 flights totalling 377 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KMMU to KBUF. Service window in our records spans 345 days. Of those flights, 12 (5.4%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Canadair Challenger 600/601/604 has a 64 ft wingspan, a maximum takeoff weight of 47,600 lb.

FLIGHTS
222
all time
FLOWN HOURS
377
tracked time
📍
AIRPORTS VISITED
39
unique
📡
CALLSIGNS
2
85 routes
📅
SERVICE PERIOD
06/04/2025 → 05/15/2026
first → last
INCIDENT RATE
5.4%
12 flagged

Top routes

By flight count

10
4
2
2
2
2
2
2
2
2
2

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Canadair Challenger 600/601/604

Engines
Twin Jet
Vref (approach)
137 kt
MTOW
47,600 lb
Wingspan
64 ft
Length
68 ft
Wake category
Medium

Recent flights

Newest 50 operations of N991SH

50
04/24/2026
5h 21m
△ Low approach-stability score
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