WARREN THOMAS MONTGOMERY· ICAO24 c07602· last seen Jul 2026

C-GSRX is an Eurocopter EC135 operated by WARREN THOMAS MONTGOMERY. SkyMeter has tracked 86 flights totalling 42 hours of airtime via ADS-B. The most frequent segment is CZBB to CZBB. Service window in our records spans 158 days. Of those flights, 8 (9.3%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Eurocopter EC135 has a maximum takeoff weight of 6,415 lb, light wake category.

About the Eurocopter EC135

The Eurocopter EC135 is a twin-engine light utility helicopter that entered service in 1996, designed jointly by MBB and Kawasaki as an evolution of the BK 117. It became one of the most successful helicopters in its class, particularly dominating the air medical transport and law enforcement markets across North America and Europe. The EC135's fenestron shrouded tail rotor and bearingless main rotor system deliver exceptionally low noise and vibration, making it ideal for urban operations where community acceptance matters.

Its spacious cabin accommodates up to seven occupants, and the type's excellent high-altitude performance and single-engine safety record have made it a preferred platform for mountain rescue services in the Alps and Rockies. The EC135 family includes variants powered by either Pratt & Whitney PW206 or Turbomeca Arrius turboshaft engines, both delivering around 600 shaft horsepower per side. Maximum cruise speed reaches approximately 140 knots, with a never-exceed speed of 151 knots and a service ceiling near 20,000 feet depending on configuration.

Range extends to roughly 370 nautical miles with standard fuel, though most missions are short-haul point-to-point transfers. The type's glass cockpit and advanced avionics were ahead of their time in the mid-1990s, and modern variants feature full IFR capability with dual-channel autopilot. Airbus Helicopters (formerly Eurocopter) continues to produce the EC135 alongside its newer H135 designation, with over 1,400 delivered worldwide.

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

FLIGHTS
86
all time
FLOWN HOURS
42
tracked time
📍
AIRPORTS VISITED
7
unique
📡
CALLSIGNS
1
9 routes
📅
SERVICE PERIOD
02/19/2026 → 07/27/2026
first → last
INCIDENT RATE
9.3%
8 flagged

Top routes

By flight count

7
15
7
2
2
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Eurocopter EC135

Engines
Twin Rotorcraft
MTOW
6,415 lb
Wake category
L

Recent flights

Newest 43 operations of C-GSRX

43
07/27/2026
26m
No alerts
07/27/2026
25m
No alerts
07/27/2026
28m
No alerts
07/24/2026
17m
No alerts
07/24/2026
15m
No alerts
07/24/2026
40m
No alerts
07/24/2026
29m
No alerts
07/24/2026
41m
No alerts
06/08/2026
16m
No alerts
06/04/2026
17m
No alerts
06/04/2026
25m
» Overspeed
06/02/2026
23m
△ Low approach-stability score
06/02/2026
24m
No alerts
05/22/2026
22m
△ Low approach-stability score
05/22/2026
22m
No alerts
05/20/2026
41m
No alerts
05/08/2026
28m
No alerts
05/08/2026
36m
No alerts
05/01/2026
35m
No alerts
05/01/2026
35m
No alerts
04/24/2026
27m
No alerts
04/24/2026
21m
No alerts
04/17/2026
34m
No alerts
04/17/2026
30m
No alerts
04/16/2026
17m
No alerts
04/15/2026
27m
No alerts
04/15/2026
29m
No alerts
04/15/2026
14m
△ Low approach-stability score
04/13/2026
1h 19m
No alerts
04/10/2026
46m
No alerts
03/30/2026
11m
No alerts
03/30/2026
12m
No alerts
03/27/2026
49m
No alerts
03/23/2026
43m
No alerts
03/20/2026
19m
No alerts
03/20/2026
17m
No alerts
03/09/2026
9m
No alerts
02/27/2026
13m
No alerts
02/27/2026
28m
No alerts
02/20/2026
1h 10m
No alerts
02/20/2026
30m
No alerts
02/19/2026
38m
No alerts
02/19/2026
40m
No alerts
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