ICAO SW4
Small+
Fairchild Swearingen Swearingen Sa-227at Merlin 4
Twin Turboprop· 28 globally registered
The FAIRCHILD SWEARINGEN Swearingen SA-227AT Merlin 4 (SW4) is a FAIRCHILD SWEARINGEN 2-engine turboprop aircraft classified as light/medium wake category. Typical approach speed (Vref) is around 112 knots; operating envelope 7,257 kg MTOW. SkyMeter has observed 2,557 flights operated by this type across 151 airframes and 29 carriers. The largest observed operator is PERIMETER AVIATION LP AS REPRESENTED BY ITS GENERAL PARTNER, PER (PAG).
✈
ACTIVE AIRFRAMES
151
last 90 days
🏢
OPERATORS
29
unique airlines
📊
FLIGHTS
2,557
tracked
⏱
AVG DURATION
1h 25m
per flight
⚠
INCIDENT RATE
18.8%
481 flagged
Performance
Speed envelope & approach
Vref
112 kt
Vref range
—
Vmo
—
Mmo
—
Approach category
B
Dimensions
Airframe geometry
Wingspan
57 ft
Length
59 ft
Tail height
17 ft
Wheelbase
24 ft
Gear width
20 ft
Wake category
Light/Medium
Weight & identification
Operating limits
MTOW
15,999 lb
MALW
15,675 lb
Manufacturer model
Swearingen SA-227AT Merlin 4
FAA designator
SW4
Registered
28
Top operators
By fleet size · last 90 days
PAG
LYM
SH1
AMF
PHX
LR8
BMJ
CGK
MDS
NGX
PHX
PKW
LYM
KCR
TNV
TNV
PKW
PY5
TNV
N72
N95
PKW
N35
N5L
SSV
CFL
CYH
N12
PERIMETER AVIATION LP AS REPRESENTED BY ITS GENERAL PARTNER, PER
20 aircraft
546 flights
CBG LLC
14 aircraft
393 flights
SHARP AVIATION PTY. LTD.
15 aircraft
331 flights
UAS TRANSERVICES INC
12 aircraft
156 flights
2080061 Ontario Inc. (SkyCare Air Ambulance)
4 aircraft
147 flights
VEE H AVIATION PTY LTD.
3 aircraft
95 flights
BEMIDJI AVIATION SERVICES INC
6 aircraft
94 flights
Carson Air Ltd
3 aircraft
86 flights
MCNEELY CHARTER SERVICE INC
4 aircraft
52 flights
CASAIR PTY LTD
3 aircraft
48 flights
2080061 Ontario Inc.
1 aircraft
41 flights
CAREER AVIATION COMPANY INC
3 aircraft
34 flights
C B G LLC
1 aircraft
33 flights
KOLOB CANYONS AIR SERVICES INC
3 aircraft
29 flights
REGISTRATION PENDING
1 aircraft
26 flights
DENAINA AIR TAXI LLC
1 aircraft
24 flights
CAREER AVIATION CO
2 aircraft
20 flights
SKIPPERS AVIATION PTY LTD
4 aircraft
20 flights
M E S LLC
1 aircraft
17 flights
TVPX AIRCRAFT SOLUTIONS INC OWNER TRUSTEE
1 aircraft
13 flights
5-T AVIATION LLC
2 aircraft
13 flights
CAREER AVIATION CO INC
1 aircraft
9 flights
NEW MOUNTAIN AVIATION LLC
3 aircraft
8 flights
M7 AVIATION SERVICES LLC
1 aircraft
5 flights
BYRON BAY AIR CHARTER PTY LTD
1 aircraft
4 flights
1630408 Alberta Ltd. (Alberta College of Aeronautics)
1 aircraft
3 flights
HARDY AVIATION (N.T.) PTY LIMITED
2 aircraft
2 flights
MCDONALD JAKE V
1 aircraft
2 flights
Safety profile
Flagged flights · last 90 days
Family
Related variants
No related variants.
Recent incidents
Flagged flights of SW4
Recent flights
Real flights of SW4 · airborne ≥ 20 min
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracking window: 90 days