GRAF JOHN R· ICAO24 a7a0a3· last seen 10d ago

N5906T is a Cessna 150, a single-engine piston aircraft operated by GRAF JOHN R. SkyMeter has tracked 314 flights totalling 211 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KMHR to KMHR. Service window in our records spans 409 days. Of those flights, 46 (14.6%) 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
314
all time
FLOWN HOURS
211
tracked time
📍
AIRPORTS VISITED
47
unique
📡
CALLSIGNS
2
69 routes
📅
SERVICE PERIOD
05/29/2025 → 07/12/2026
first → last
INCIDENT RATE
14.6%
46 flagged

Top routes

By flight count

10
17
12
8
4
4
4
3
3
3
3

Flight numbers

Most-flown by this airframe

2

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 50 operations of N5906T

50
07/02/2026
1h 18m
No alerts
06/27/2026
39m
△ Low approach-stability score
06/01/2026
1h 26m
No alerts
05/25/2026
5m
No alerts
05/23/2026
9m
No alerts
05/03/2026
3h 17m
No alerts
05/01/2026
1h 25m
No alerts
04/27/2026
8m
No alerts
04/23/2026
20m
No alerts
04/23/2026
45m
No alerts
04/19/2026
1h 16m
No alerts
04/06/2026
3h 16m
No alerts
03/28/2026
6m
△ Low approach-stability score
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