TWIN COMANCHE C,‘R
GENERAL SPECIFICATIONS
PERFORMANCE
Performance figures are for standard PA-39 airplanes equipped for cross-country transportation and
flown at gross weight under-standard conditions at sea level unless otherwise stated. Performance for a
specific airplane may vary from published figures depending upon equipment installed, the condition of
engines, airplane and equipment, atmospheric conditions and piloting technique.
Take-off Run (short field, ft)
Take-off Distance Over 50-ft Barrier (short field, ft)
Accelerate - Stop Distance (ft)
Vmc MPH (as determined by the F.A.A.)
Stalling Speed (gear and flaps down, power off, mph)
Stalling Speed (gear and flaps up, power off. mph)
Best Rate of Climb (ft per min)
Best Rate of Climb Speed (mph)
Best Angle of Climb Speed (mph)
Single Engine Rate of Climb (ft per min)
Best Single Engine Rate of Climb Speed (mph)
Absolute Ceiling (ft)
Service Ceiling (ft)
Single Engine Absolute Ceiling (ft)
*i
Single Engine Service Ceiling (ft)
Landing Roll (short field, flaps down, ft)
Landing Over 50-ft Barrier (short field, flaps down, ft)
ALTITUDE CRUISING SPEEDS (MPH)
Normally Aspirated
Power Man.
Setting Press.
(rpm> (in.1
Altitude
(feet)
Normal
Intermediate
Economy
Longe Range
2400
26 4,200
2400
24 -
.
6,400
2200 24 6,400
2200
20 11,200
Turbocharged
Power
Setting
(rpm)
Man.
Press.
(in.)
Altitude
(feet)
Turbo 2400 28 20,000
Intermediate 2400 26 20,000
Economy 2200
24 20,000
Long
Range 2200 22 20,000
-
GENERAL
SPECIFICATIONS
ISSUED:
June 1.1970
Revised: November 197 1
Speed
(mph)
198
196
188
178
Speed Range
(mph)
(miles)
234
1210
22.6
222
1475
17.2
203
1605
14.4
191
1650
13.2
Normally
Turbo
Aspirated
Charged
940
990
1530
1590
2470 2560
80
80
70
70
76
76
1460 1290
112 117
90. 90
260 165
105
105
20,000
25 >ooo+
18,600 25 ,OOO+
7,100 12,600
5 3800
8,800
700
7’5
1,870
1,900
Range
(miles)
830
1030
1110
1200
Fuel
Con.
(iid
19.6
15.4
13.8
11.6
Fuel
Con.
(gph)
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