KING WESLEY A· ICAO24 a1b927· last seen 3d ago

N21WK is a Robinson Helicopter Company R44, a single-engine piston aircraft operated by KING WESLEY A. SkyMeter has tracked 76 flights totalling 21 hours of airtime via ADS-B. The most frequent segment is KTOA to KTOA. Service window in our records spans 398 days. Of those flights, 6 (7.9%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Robinson Helicopter Company R44 has a maximum takeoff weight of 2,500 lb, light wake category.

About the Robinson Helicopter Company R44

The Robinson R44 is the world's best-selling four-seat light helicopter, a piston-powered workhorse that democratized rotorcraft ownership when it entered production in 1992. Built by Robinson Helicopter Company in Torrance, California, the R44 evolved from the company's earlier two-seat R22 and quickly became the go-to choice for flight training, personal transport, aerial photography, and light utility work. Its Lycoming O-540 six-cylinder engine delivers 245 horsepower, giving the R44 a cruise speed around 110 knots and a range of roughly 300 nautical miles—modest figures that reflect its design priority of affordability and simplicity over raw performance.

The R44 operates comfortably up to about 14,000 feet density altitude and can carry four adults in standard atmospheric conditions, though payload drops quickly in hot-and-high environments. What sets the R44 apart is its price point: at roughly half the acquisition cost of turbine alternatives, it opened helicopter flying to thousands of owner-pilots and small operators who would otherwise be priced out of the market. The type's two-bladed teetering rotor system and straightforward maintenance schedule keep operating costs manageable, though pilots must respect its relatively low inertia rotor—quick action is required in the event of engine failure.

More than 6,000 R44s have been delivered worldwide, making it a common sight at general aviation airports across North America, Europe, and Australia. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
76
all time
FLOWN HOURS
21
tracked time
📍
AIRPORTS VISITED
7
unique
📡
CALLSIGNS
1
8 routes
📅
SERVICE PERIOD
05/31/2025 → 07/04/2026
first → last
INCIDENT RATE
7.9%
6 flagged

Top routes

By flight count

7
18
4
4
1
1
SZP KTOA
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Robinson Helicopter Company R44

Engines
Single Piston
Vref (approach)
60 kt
MTOW
2,500 lb
Wake category
L

Recent flights

Newest 38 operations of N21WK

38
07/04/2026
16m
No alerts
06/12/2026
20m
△ Unstable approach
06/12/2026
20m
No alerts
05/25/2026
20m
No alerts
05/10/2026
13m
No alerts
04/24/2026
19m
No alerts
04/24/2026
20m
No alerts
04/04/2026
17m
No alerts
03/21/2026
17m
No alerts
03/21/2026
15m
No alerts
03/08/2026
19m
No alerts
02/14/2026
20m
△ Unstable approach
02/14/2026
15m
No alerts
02/01/2026
17m
No alerts
01/11/2026
15m
No alerts
12/28/2025
15m
No alerts
12/19/2025
22m
No alerts
12/19/2025
20m
No alerts
12/06/2025
12m
No alerts
11/29/2025
12m
△ Unstable approach
11/29/2025
16m
No alerts
11/23/2025
19m
No alerts
11/09/2025
16m
No alerts
10/26/2025
14m
No alerts
10/25/2025
14m
No alerts
10/18/2025
17m
No alerts
10/12/2025
20m
No alerts
10/05/2025
17m
No alerts
09/20/2025
15m
No alerts
09/07/2025
16m
No alerts
08/30/2025
15m
No alerts
08/02/2025
13m
No alerts
07/19/2025
14m
No alerts
07/04/2025
20m
No alerts
07/04/2025
18m
No alerts
06/27/2025
13m
No alerts
06/14/2025
14m
No alerts
05/31/2025
12m
No alerts
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