KENT STATE UNIVERSITY· ICAO24 a87509· last seen 8h ago

N644KS is a Piper Seminole, a twin-engine piston aircraft operated by KENT STATE UNIVERSITY. SkyMeter has tracked 1,944 flights totalling 1,199 hours of airtime via ADS-B. The most frequent segment is K1G3 to K1G3. Service window in our records spans 400 days. Of those flights, 176 (9.1%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Piper Seminole has a 39 ft wingspan, a maximum takeoff weight of 3,800 lb.

About the Piper Seminole

The Piper PA-44 Seminole is the world's most popular twin-engine piston trainer, introduced in 1978 as a more affordable alternative to the earlier PA-34 Seneca. Built around two counter-rotating Lycoming O-360 engines producing 180 horsepower each, the Seminole eliminated the critical engine problem that complicates single-engine handling in conventional twins—a feature that made it immediately attractive to flight schools teaching multi-engine ratings. Its docile handling, relatively low operating costs, and forgiving stall characteristics turned it into the de facto standard for commercial pilot training across North America and beyond.

The aircraft cruises at around 160 knots and has a service ceiling of 17,000 feet, modest figures that reflect its mission as a trainer rather than a traveling machine. Its light wing loading and benign spin characteristics make it ideal for practicing engine-out procedures, and its simple systems—no pressurization, no turbos in the base model—keep maintenance straightforward for training fleets that fly hundreds of hours per month. Thousands of professional pilots earned their multi-engine ratings in Seminoles, and the type remains in production today with glass-cockpit avionics and minor refinements, a testament to the original design's enduring practicality.

SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
1,944
all time
FLOWN HOURS
1,199
tracked time
📍
AIRPORTS VISITED
46
unique
📡
CALLSIGNS
1
66 routes
📅
SERVICE PERIOD
05/27/2025 → 07/01/2026
first → last
INCIDENT RATE
9.1%
176 flagged

Top routes

By flight count

10
562
87
84
67
22
14
14
7
4
K1G3 7D8
3

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Piper Seminole

Engines
Twin Piston
Vref (approach)
66 kt
MTOW
3,800 lb
Wingspan
39 ft
Length
28 ft
Wake category
Light

Recent flights

Newest 50 operations of N644KS

50
06/29/2026
1h 15m
No alerts
06/25/2026
28m
△ Unstable
06/24/2026
45m
△ Unstable
06/16/2026
1h 25m
No alerts
06/16/2026
12m
△ Unstable
06/15/2026
50m
△ Unstable
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