JACK BROWN SEAPLANE BASE INC· ICAO24 a89e7a· last seen 4d ago

N6544 is a Piper Aircraft J3, a single-engine piston aircraft operated by JACK BROWN SEAPLANE BASE INC. SkyMeter has tracked 870 flights totalling 319 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is F57 to KGIF. Service window in our records spans 415 days. Of those flights, 50 (5.7%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Piper Aircraft J3 has a maximum takeoff weight of 1,220 lb, light wake category.

About the Piper Aircraft J3

The Piper J-3 Cub is arguably the most iconic light aircraft in American aviation history, a fabric-covered taildragger that taught generations of pilots to fly and became synonymous with grassroots general aviation itself. First produced in 1938 by what was then the Taylor Aircraft Company (soon renamed Piper), the J-3 was designed as an affordable, forgiving trainer with tandem seating, a Continental A-65 engine producing 65 horsepower, and handling characteristics so benign that student pilots could solo after just a few hours of instruction. More than 19,000 Cubs were built before production ended in 1947, with thousands serving as military trainers during World War II under the L-4 Grasshopper designation, spotting artillery and ferrying liaison officers from improvised strips across every theater of war.

The Cub's slow-flight capability, short takeoff and landing performance, and docile stall made it ideal for backcountry flying, banner towing, and low-altitude observation work that continues today. Its cruise speed of around 75 knots and never-exceed speed of 87 knots reflect an era when flying was less about speed than about the pure joy of being aloft, and its stall speed below 40 knots allows operations from farm fields, sandbars, and mountain ridges inaccessible to faster aircraft. The J-3's enduring popularity has spawned an entire ecosystem of parts suppliers, restoration shops, and modern reproductions like the CubCrafters Carbon Cub that honor the original's DNA while incorporating contemporary materials and powerplants.

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

FLIGHTS
870
all time
FLOWN HOURS
319
tracked time
📍
AIRPORTS VISITED
22
unique
📡
CALLSIGNS
2
81 routes
📅
SERVICE PERIOD
05/29/2025 → 07/18/2026
first → last
INCIDENT RATE
5.7%
50 flagged

Top routes

By flight count

10
F57 KGIF
10
9
9
8
8
F57 X25
8
F57 KBOW
7
7
1FL0 X25
7
6

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Piper Aircraft J3

Engines
Single Piston
Vref (approach)
45 kt
MTOW
1,220 lb
Wake category
L

Recent flights

Newest 50 operations of N6544

50
07/18/2026
12m
No alerts
07/18/2026
2m
No alerts
07/18/2026
1h 2m
No alerts
07/17/2026
1h 18m
No alerts
07/17/2026
29m
No alerts
07/17/2026
4m
No alerts
07/17/2026
37m
No alerts
07/16/2026
51m
No alerts
07/16/2026
1h 1m
No alerts
07/16/2026
8m
No alerts
07/15/2026
22m
No alerts
07/15/2026
1h 4m
No alerts
07/15/2026
31m
No alerts
07/15/2026
6m
No alerts
07/15/2026
19m
No alerts
07/15/2026
1h 4m
△ Low approach-stability score
07/14/2026
1h 21m
No alerts
07/14/2026
1h 11m
No alerts
07/14/2026
8m
No alerts
07/09/2026
58m
No alerts
07/09/2026
12m
No alerts
07/09/2026
38m
No alerts
07/09/2026
8m
No alerts
07/08/2026
14m
No alerts
07/08/2026
23m
No alerts
07/08/2026
19m
No alerts
06/25/2026
55m
No alerts
06/25/2026
6m
No alerts
06/18/2026
2m
No alerts
06/18/2026
4m
No alerts
05/18/2026
5m
No alerts
05/18/2026
5m
No alerts
05/09/2026
11m
No alerts
05/09/2026
49m
No alerts
04/29/2026
3m
No alerts
04/29/2026
39m
No alerts
04/29/2026
12m
No alerts
04/28/2026
13m
No alerts
04/09/2026
12m
No alerts
04/09/2026
5m
No alerts
04/09/2026
11m
No alerts
04/06/2026
4m
No alerts
04/06/2026
7m
No alerts
04/03/2026
5m
No alerts
04/03/2026
49m
No alerts
04/01/2026
35m
No alerts
03/31/2026
1h 15m
No alerts
03/31/2026
1h 10m
△ Low approach-stability score
03/31/2026
11m
No alerts
03/30/2026
23m
No alerts
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