CALLAHAN BRYAN J· ICAO24 a0e138· last seen 2d ago

N156HR is a Robinson Helicopter Company R44, a single-engine piston aircraft operated by CALLAHAN BRYAN J. SkyMeter has tracked 76 flights totalling 53 hours of airtime via ADS-B. The most frequent segment is US-0692 to KAAF. Service window in our records spans 399 days. Of those flights, 4 (5.3%) 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
53
tracked time
📍
AIRPORTS VISITED
17
unique
📡
CALLSIGNS
1
23 routes
📅
SERVICE PERIOD
06/01/2025 → 07/05/2026
first → last
INCIDENT RATE
5.3%
4 flagged

Top routes

By flight count

10
4
2
2
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 38 operations of N156HR

38
07/05/2026
26m
No alerts
06/08/2026
37m
No alerts
06/06/2026
27m
No alerts
05/24/2026
4m
No alerts
05/24/2026
5m
No alerts
05/18/2026
1h 30m
No alerts
05/15/2026
1h 44m
No alerts
03/10/2026
2h 7m
No alerts
03/06/2026
1h 3m
No alerts
03/05/2026
1h 36m
△ Unstable approach
02/22/2026
1h 18m
No alerts
02/20/2026
1h 37m
No alerts
02/03/2026
6m
No alerts
01/22/2026
16m
No alerts
01/16/2026
14m
No alerts
01/05/2026
20m
No alerts
12/13/2025
16m
No alerts
11/26/2025
19m
No alerts
10/08/2025
1h 7m
No alerts
10/06/2025
1h 22m
No alerts
10/03/2025
39m
No alerts
09/27/2025
17m
No alerts
09/27/2025
17m
No alerts
09/25/2025
25m
No alerts
09/24/2025
13m
No alerts
09/22/2025
11m
No alerts
09/12/2025
8m
No alerts
09/12/2025
3m
No alerts
08/17/2025
33m
No alerts
08/01/2025
24m
No alerts
07/28/2025
1h 32m
No alerts
07/26/2025
1h 55m
No alerts
07/20/2025
9m
No alerts
07/04/2025
56m
No alerts
06/22/2025
30m
No alerts
06/22/2025
10m
No alerts
06/21/2025
24m
No alerts
06/01/2025
57m
△ Unstable approach
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