NOYES STEPHEN S· ICAO24 a14ed8· last seen 2d ago

N1835 is a Cessna O-1 Bird Dog, a single-engine piston aircraft operated by NOYES STEPHEN S. SkyMeter has tracked 318 flights totalling 140 hours of airtime via ADS-B. The most frequent segment is KN40 to K1N7. Service window in our records spans 402 days. Of those flights, 26 (8.2%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. 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
318
all time
FLOWN HOURS
140
tracked time
📍
AIRPORTS VISITED
37
unique
📡
CALLSIGNS
1
35 routes
📅
SERVICE PERIOD
05/27/2025 → 07/03/2026
first → last
INCIDENT RATE
8.2%
26 flagged

Top routes

By flight count

10
29
9N1 K1N7
21
15
K1N7 N85
12
9
8
5
2
8N1 K1N7
2
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 50 operations of N1835

50
07/03/2026
20m
No alerts
07/03/2026
19m
△ Unstable approach
06/28/2026
19m
No alerts
06/28/2026
19m
No alerts
06/25/2026
16m
No alerts
06/25/2026
20m
No alerts
06/21/2026
45m
No alerts
06/21/2026
44m
No alerts
06/16/2026
17m
No alerts
06/16/2026
20m
No alerts
06/14/2026
16m
No alerts
06/14/2026
24m
No alerts
06/13/2026
22m
No alerts
06/13/2026
20m
No alerts
06/04/2026
17m
No alerts
06/04/2026
23m
No alerts
05/31/2026
18m
No alerts
05/31/2026
19m
No alerts
05/29/2026
18m
No alerts
05/29/2026
20m
No alerts
05/26/2026
17m
No alerts
05/26/2026
25m
No alerts
05/17/2026
17m
No alerts
05/17/2026
35m
No alerts
05/12/2026
18m
No alerts
05/12/2026
19m
No alerts
05/01/2026
25m
No alerts
05/01/2026
25m
No alerts
05/01/2026
26m
No alerts
05/01/2026
26m
No alerts
04/27/2026
24m
No alerts
04/27/2026
20m
No alerts
04/21/2026
16m
No alerts
04/21/2026
26m
No alerts
04/08/2026
13m
No alerts
04/08/2026
17m
No alerts
04/04/2026
23m
No alerts
03/29/2026
16m
No alerts
03/29/2026
20m
No alerts
03/24/2026
20m
No alerts
03/24/2026
22m
No alerts
03/18/2026
15m
No alerts
03/18/2026
21m
△ Unstable approach
03/10/2026
41m
No alerts
03/02/2026
55m
No alerts
02/27/2026
56m
No alerts
02/21/2026
43m
No alerts
02/13/2026
46m
No alerts
02/05/2026
46m
No alerts
02/03/2026
41m
No alerts
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