ICAO SD4
Small
Tomark Viper Sd-4
Single Piston
The TOMARK Tomark Viper SD-4 (SD4) is a TOMARK 1-engine piston aircraft classified as light wake category. Typical approach speed (Vref) is around 50 knots; operating envelope 549 kg MTOW. SkyMeter has observed 688 flights operated by this type across 54 airframes and 6 carriers. The largest observed operator is EAGLE INTERNATIONAL AIRCRAFT INC (N48).
✈
ACTIVE AIRFRAMES
54
last 90 days
🏢
OPERATORS
6
unique airlines
📊
FLIGHTS
688
tracked
⏱
AVG DURATION
33m
per flight
⚠
INCIDENT RATE
14.4%
99 flagged
Performance
Speed envelope & approach
Vref
50 kt
Vref range
—
Vmo
—
Mmo
—
Approach category
A
Dimensions
Airframe geometry
Wingspan
—
Length
—
Tail height
—
Wheelbase
—
Gear width
—
Wake category
Light
Weight & identification
Operating limits
MTOW
1,212 lb
MALW
—
Manufacturer model
Tomark Viper SD-4
FAA designator
SD4
Registered
—
Top operators
By fleet size · last 90 days
Safety profile
Flagged flights · last 90 days
Family
Related variants
No related variants.
Recent incidents
Flagged flights of SD4
Recent flights
Real flights of SD4 · airborne ≥ 20 min
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracking window: 90 days