THORSON GREGORY R· ICAO24 a4a8d8· last seen 3d ago

N4KH is a Rockwell International 500S, a twin-engine piston aircraft operated by THORSON GREGORY R. SkyMeter has tracked 32 flights totalling 8 hours of airtime via ADS-B. The most frequent segment is KC09 to KARR. Service window in our records spans 359 days. Of those flights, 2 (6.2%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Rockwell International 500S has a maximum takeoff weight of 6,000 lb, light wake category.

About the Rockwell International 500S

The Rockwell Aero Commander 500S, marketed as the Shrike Commander, represents the refined evolution of a twin-engine piston design that first flew in 1948 and became a workhorse for corporate, charter, and utility operators throughout the latter half of the twentieth century. Built by what became Rockwell International after several corporate mergers, the 500S variant introduced in the 1970s featured fuel-injected Lycoming IO-540 engines producing 290 horsepower each, giving the aircraft a maximum cruise speed around 215 knots and a service ceiling of 19,600 feet. Its high-wing configuration and robust landing gear made it popular for operations into unimproved strips, while the pressurized cabin variants appealed to business operators seeking comfort without the operating costs of turbine power.

The Shrike Commander earned a reputation for docile handling and solid single-engine performance, though like many piston twins of its era it demanded respect during engine-out scenarios at high weights. Today the type survives primarily in training fleets, cargo operations, and with owner-pilots who value its combination of speed, payload, and relatively straightforward maintenance compared to more complex twins. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
32
all time
FLOWN HOURS
8
tracked time
📍
AIRPORTS VISITED
4
unique
📡
CALLSIGNS
1
4 routes
📅
SERVICE PERIOD
07/09/2025 → 07/04/2026
first → last
INCIDENT RATE
6.2%
2 flagged

Top routes

By flight count

2
4
4

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Rockwell International 500S

Engines
Twin Piston
Vref (approach)
90 kt
MTOW
6,000 lb
Wake category
L

Recent flights

Newest 16 operations of N4KH

16
07/04/2026
8m
No alerts
07/01/2026
26m
No alerts
07/01/2026
26m
No alerts
04/29/2026
10m
No alerts
03/28/2026
7m
No alerts
11/01/2025
23m
No alerts
11/01/2025
7m
No alerts
09/02/2025
16m
No alerts
08/31/2025
10m
△ Unstable approach
08/31/2025
21m
No alerts
08/30/2025
16m
No alerts
08/30/2025
11m
No alerts
07/25/2025
11m
No alerts
07/21/2025
23m
No alerts
07/13/2025
20m
No alerts
07/09/2025
13m
No alerts
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