ZER HOLDINGS LLC· ICAO24 a3009e· last seen 6d ago

N293 is a Cessna 337 Skymaster, a twin-engine piston aircraft operated by ZER HOLDINGS LLC. SkyMeter has tracked 144 flights totalling 118 hours of airtime via ADS-B. The most frequent segment is KPAE to KPAE. Service window in our records spans 388 days. Of those flights, 24 (16.7%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Cessna 337 Skymaster has a maximum takeoff weight of 4,630 lb, light wake category.

About the Cessna 337 Skymaster

The Cessna 337 Skymaster is one of aviation's most distinctive light twins, instantly recognizable by its push-pull centerline engine configuration — one tractor propeller on the nose, one pusher on the tail boom. Introduced in 1965, this unconventional layout solved the most dangerous problem facing conventional twin pilots: asymmetric thrust after an engine failure. With both engines mounted on the fuselage centerline, the Skymaster eliminates the yaw and roll forces that cause loss-of-control accidents in traditional twins, making single-engine handling straightforward enough that Cessna marketed it as "the twin-engine aircraft that flies like a single." The military adopted the design as the O-2 Skymaster for forward air control missions in Vietnam, where its excellent visibility, slow-speed handling, and engine redundancy proved ideal for low-altitude reconnaissance and target marking over hostile territory.

Powered by a pair of Continental IO-360 engines producing 210 horsepower each, the civilian 337 cruises around 170 knots and carries up to six occupants with a useful load near 1,600 pounds. Its fixed landing gear and relatively simple systems made it popular with owner-pilots seeking twin-engine safety without the complexity and operating costs of retractable-gear twins like the Cessna 310 or Piper Aztec. The high-mounted wing and twin-boom empennage provide excellent downward visibility, a feature prized by pipeline patrol operators, fish spotters, and aerial surveyors who became the type's most loyal operators after production ended in 1980.

Today the Skymaster occupies a unique niche in general aviation — too slow and thirsty for serious cross-country travel compared to modern singles, yet valued by pilots who appreciate its docile single-engine characteristics and those who need the mission flexibility of twin-engine redundancy for overwater or remote operations. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
144
all time
FLOWN HOURS
118
tracked time
📍
AIRPORTS VISITED
23
unique
📡
CALLSIGNS
1
43 routes
📅
SERVICE PERIOD
06/01/2025 → 06/24/2026
first → last
INCIDENT RATE
16.7%
24 flagged

Top routes

By flight count

10
15
3
2
2
2
2
2
2
2
2

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Cessna 337 Skymaster

Engines
Twin Piston
Vref (approach)
70 kt
MTOW
4,630 lb
Wake category
L

Recent flights

Newest 50 operations of N293

50
06/24/2026
52m
No alerts
06/21/2026
1h 30m
△ Unstable
06/19/2026
1h 22m
No alerts
06/15/2026
24m
No alerts
06/15/2026
28m
△ Unstable
06/15/2026
10m
No alerts
06/14/2026
11m
△ Unstable
06/14/2026
29m
No alerts
05/20/2026
29m
△ Unstable
05/20/2026
11m
△ Unstable
05/18/2026
21m
No alerts
05/09/2026
1h 22m
No alerts
05/09/2026
1h 15m
No alerts
04/25/2026
50m
No alerts
04/24/2026
2m
△ Unstable
04/24/2026
29m
No alerts
04/18/2026
40m
No alerts
04/17/2026
59m
No alerts
04/17/2026
4h 42m
No alerts
04/11/2026
25m
No alerts
04/11/2026
23m
No alerts
03/27/2026
30m
△ Unstable
03/27/2026
47m
No alerts
03/23/2026
27m
No alerts
03/22/2026
25m
No alerts
03/15/2026
15m
No alerts
03/15/2026
41m
No alerts
03/03/2026
7m
No alerts
03/02/2026
20m
No alerts
02/16/2026
50m
No alerts
02/11/2026
58m
No alerts
02/03/2026
1h 44m
No alerts
01/31/2026
41m
No alerts
11/09/2025
9m
No alerts
11/08/2025
1h 6m
No alerts
11/08/2025
1h 21m
No alerts
10/15/2025
31m
No alerts
10/15/2025
29m
No alerts
09/18/2025
7h 37m
No alerts
09/17/2025
1h 0m
No alerts
09/16/2025
1h 0m
No alerts
09/16/2025
33m
No alerts
09/15/2025
29m
No alerts
09/11/2025
53m
No alerts
09/05/2025
28m
No alerts
08/29/2025
23m
No alerts
08/24/2025
2h 25m
No alerts
08/24/2025
1h 1m
No alerts
08/21/2025
19m
No alerts
08/21/2025
54m
No alerts
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