SCHAEFER JOHN A, SCHAEFER ELIZABETH A· ICAO24 a4e091· last seen 4d ago

N413PG is a Cessna O-1 Bird Dog, a single-engine piston aircraft operated by SCHAEFER JOHN A, SCHAEFER ELIZABETH A. SkyMeter has tracked 56 flights totalling 23 hours of airtime via ADS-B. The most frequent segment is KSAR to KSAR. Service window in our records spans 429 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
56
all time
FLOWN HOURS
23
tracked time
📍
AIRPORTS VISITED
17
unique
📡
CALLSIGNS
1
19 routes
📅
SERVICE PERIOD
6/10/2025 → 8/13/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

10
5
1
H49 KSTL
1
H49 KSAR
1
1
1
H49 KCPS
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Cessna O-1 Bird Dog

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

Recent flights

Newest 28 operations of N413PG

28
8/13/2026
54m
No alerts
8/13/2026
38m
No alerts
8/13/2026
4m
No alerts
8/8/2026
25m
No alerts
8/5/2026
17m
No alerts
8/4/2026
15m
No alerts
7/30/2026
39m
No alerts
6/28/2026
37m
No alerts
6/19/2026
26m
No alerts
5/13/2026
14m
No alerts
4/29/2026
1h 23m
No alerts
4/22/2026
1h 25m
No alerts
4/20/2026
24m
No alerts
11/13/2025
6m
No alerts
11/13/2025
13m
No alerts
11/13/2025
14m
No alerts
11/12/2025
12m
No alerts
11/12/2025
21m
No alerts
9/13/2025
4m
No alerts
9/13/2025
8m
No alerts
9/13/2025
11m
No alerts
9/13/2025
7m
No alerts
9/13/2025
3m
No alerts
9/13/2025
15m
No alerts
8/23/2025
22m
No alerts
8/4/2025
30m
No alerts
7/5/2025
16m
No alerts
6/10/2025
24m
No alerts
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