HEFFLEY BROTHERS FLYING CIRCUS LLC· ICAO24 a8b6c6· last seen May 2026

N6601T is a Cessna 150, a single-engine piston aircraft operated by HEFFLEY BROTHERS FLYING CIRCUS LLC. SkyMeter has tracked 90 flights totalling 36 hours of airtime via ADS-B. The most frequent segment is KFTW to KFWS. Service window in our records spans 284 days. Of those flights, 18 (20.0%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Cessna 150 has a 33 ft wingspan, a maximum takeoff weight of 1,600 lb.

About the Cessna 150

The Cessna 150 is the most successful two-seat trainer in aviation history, with over 23,000 built between 1958 and 1977. Designed as an affordable entry point into flying, it became the backbone of flight schools across North America and remains so today, nearly half a century after production ended. Its simple all-metal construction, forgiving handling, and rugged Continental O-200 engine made it ideal for student pilots learning the basics of stick-and-rudder flying.

The 150 introduced a generation of aviators to the sky, and its ubiquity in the training fleet means that countless pilots earned their private certificates behind its yoke. The type evolved through numerous variants, with later models adding features like the swept tail, Omni-Vision rear window, and improved flap systems, but the core design remained unchanged: a high-wing, tricycle-gear trainer optimized for economy and durability. With a cruise speed around 90 knots, a service ceiling near 14,000 feet, and endurance of roughly four hours, the 150 was never fast or glamorous, but it excelled at its mission.

Its low operating costs and simple maintenance kept it in service long after newer designs appeared, and today it remains a favorite among flying clubs, independent instructors, and budget-conscious private owners. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
90
all time
FLOWN HOURS
36
tracked time
📍
AIRPORTS VISITED
27
unique
📡
CALLSIGNS
1
30 routes
📅
SERVICE PERIOD
08/19/2025 → 05/30/2026
first → last
INCIDENT RATE
20.0%
18 flagged

Top routes

By flight count

10
3
2
2
2
2
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Cessna 150

Engines
Single Piston
Vref (approach)
55 kt
MTOW
1,600 lb
Wingspan
33 ft
Length
24 ft
Wake category
Light

Recent flights

Newest 47 operations of N6601T

47
10/16/2025
1h 33m
No alerts
10/16/2025
5h 23m
No alerts
10/15/2025
1h 6m
△ Low approach-stability score
10/03/2025
15m
△ Low approach-stability score
10/02/2025
9m
△ Low approach-stability score
09/18/2025
35m
△ Low approach-stability score
09/16/2025
4m
△ Low approach-stability score
09/16/2025
10m
△ Low approach-stability score
09/10/2025
11m
△ Low approach-stability score
09/07/2025
18m
△ Low approach-stability score
09/05/2025
11m
△ Low approach-stability score
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