REGISTRATION PENDING· ICAO24 a39435· last seen 1d ago

N33HR is a Robinson Helicopter Company R44, a single-engine piston aircraft operated by REGISTRATION PENDING. SkyMeter has tracked 60 flights totalling 35 hours of airtime via ADS-B. The most frequent segment is KS39 to KS39. Service window in our records spans 399 days. 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
60
all time
FLOWN HOURS
35
tracked time
📍
AIRPORTS VISITED
13
unique
📡
CALLSIGNS
1
19 routes
📅
SERVICE PERIOD
06/01/2025 → 07/05/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

10
4
8S3 KRDM
1
1
1
1
1
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 30 operations of N33HR

30
07/05/2026
52m
No alerts
07/03/2026
56m
No alerts
07/01/2026
40m
No alerts
07/01/2026
40m
No alerts
06/14/2026
29m
No alerts
06/04/2026
24m
No alerts
04/13/2026
18m
No alerts
04/13/2026
18m
No alerts
03/27/2026
59m
No alerts
02/27/2026
36m
No alerts
02/06/2026
18m
No alerts
02/04/2026
16m
No alerts
01/11/2026
32m
No alerts
12/12/2025
9m
No alerts
11/15/2025
19m
No alerts
10/29/2025
38m
No alerts
09/26/2025
23m
No alerts
08/30/2025
1h 0m
No alerts
08/25/2025
1h 27m
No alerts
08/10/2025
35m
No alerts
08/02/2025
21m
No alerts
07/22/2025
21m
No alerts
07/22/2025
10m
No alerts
07/12/2025
38m
No alerts
07/06/2025
42m
No alerts
06/29/2025
52m
No alerts
06/26/2025
48m
No alerts
06/17/2025
33m
No alerts
06/12/2025
28m
No alerts
06/01/2025
40m
No alerts
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