SCOPAC NATHAN CHRISTOPHER· ICAO24 a383fb· last seen 5d ago

N3255S is a Cessna O-1 Bird Dog, a single-engine piston aircraft operated by SCOPAC NATHAN CHRISTOPHER. SkyMeter has tracked 42 flights totalling 45 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KAIK to K0J4. Service window in our records spans 357 days. The Cessna O-1 Bird Dog has a maximum takeoff weight of 2,400 lb, light wake category.

About the Cessna O-1 Bird Dog

The Cessna O-1 Bird Dog served as the U.S. military's primary liaison and forward air control aircraft from the Korean War through Vietnam, earning legendary status as the eyes of the battlefield. Developed from Cessna's Model 305A and entering service in 1950, the Bird Dog combined tandem seating, excellent low-speed handling, and large greenhouse windows to give observers unmatched visibility for artillery spotting, reconnaissance, and directing air strikes.

Over 3,400 were built for the U.S. Army, Marine Corps, and allied forces, with the type seeing combat across three decades. Powered by a 213-horsepower Continental O-470 flat-six engine, the Bird Dog could loiter at 45 knots for hours, operate from unprepared strips as short as 500 feet, and climb to 18,500 feet when needed.

Its rugged tube-and-fabric construction and forgiving flight characteristics made it beloved by pilots, while its ability to absorb ground fire and keep flying became the stuff of legend in Southeast Asia. Many surplus O-1s found civilian life after military service, converted for patrol, survey, and recreational flying, where their slow-flight capability and visibility remain prized. The type's military heritage and distinctive tandem configuration make it a favorite among warbird collectors and backcountry pilots today.

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

FLIGHTS
42
all time
FLOWN HOURS
45
tracked time
📍
AIRPORTS VISITED
20
unique
📡
CALLSIGNS
2
19 routes
📅
SERVICE PERIOD
8/19/2025 → 8/12/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

8
1
1
1
1
1
1
1
1

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Cessna O-1 Bird Dog

Engines
Single Piston
Vref (approach)
55 kt
MTOW
2,400 lb
Wake category
L

Recent flights

Newest 21 operations of N3255S

21
8/12/2026
3h 8m
No alerts
8/11/2026
2h 22m
No alerts
8/10/2026
2h 27m
No alerts
7/5/2026
40m
No alerts
6/18/2026
18m
No alerts
6/18/2026
41m
No alerts
3/28/2026
4m
No alerts
3/28/2026
4m
No alerts
3/26/2026
1h 18m
No alerts
3/8/2026
1h 7m
No alerts
3/8/2026
2m
No alerts
3/8/2026
27m
No alerts
3/4/2026
1h 4m
No alerts
9/14/2025
18m
No alerts
9/14/2025
1h 9m
No alerts
9/14/2025
22m
No alerts
9/10/2025
22m
No alerts
9/10/2025
1h 12m
No alerts
8/24/2025
2h 38m
No alerts
8/19/2025
21m
No alerts
8/19/2025
2h 9m
No alerts
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