Piper PA-39 Twin Comanche C/R User Manual

y TWIN COMANCHE C/R
F.
G:
OIL PRESSURE
Green Arc (Normal Operating Range)
Yellow Arc (Caution)
Red Line (Minimum)
Red Line (Maximum)
60 PSI to 90 PSI
25 PSI to 60 PSI
and 90 PSI to 100 PSI
‘8 PSI
100 PSI
TACHOMETER
Green Arc (Normal Operating Range)
Red Line (Maximum)
500 RPM to 2700 RPM
2700 RPM
FUEL FLOW
Green Arc (Normal Operating Range)
Red Line (Maximum at Sea Level)
OGPHto16GPH
16 GPH (7 PSI)
CYLINDER HEAD TEMPERATURE
Green Arc (Normal Range)
Red Line (Maximum)
200” to 500” F
500” F
AIRSPEED LIMITATIONS AND INDICATOR MARKINGS (Calibrated Airspeed)
Normal Category
NEVER EXCEED SPEED
MAXIMUM STRUCTURAL CRUISING SPEED
DESIGN MANEUVERING SPEEDS
- Minimum Weight (2825 lbs.)
0 Maximum LWeight (3600 lbs.)
230 MPH
194 MPH
1.45 MPH
162 MPH
FLAPS EXTENDED SPEEDS
70 MPH to 125 MPH
MAXIMUM GEAR EXTENDED SPEED
150 MPH
MINIMUM CONTROL SPEED (Single Engine)
80 MPH
STALL SPEED
Gear and Flaps Up
Gear and Flaps Down
76 MPH
70 MPH
AIRSPEED INDICATOR MARKINGS
Green Arc (Normal Operating Range)
Yellow Arc (Caution Range - Smooth Air)
White Arc (Flaps Extended Range)
Radial Red Line (Never Exceed - Smooth Air)
Radial Red Line (Minimum Control Speed - Single Engine)
Radial Blue Line (Best R/C Speed Single Engine)
76 MPH to 194 MPH
194 MPH to 230 MPH
70 MPH to 125 MPH
230 MPH
80 MPH
105 MPH
FLIGHT LOAD FACTORS
Positive Load Factor (Maximum)
Negative Load Factor (Maximum)
(No Inverted Maneuvers Approved)
3.8 G
REPORT: 1605 PART I PAGE 4
; MODEL: PA-39 ,
FAA APPROVED November 28,1969
REISSUED: June 1.1970

Piper PA-39 Twin Comanche C/R Specifications

General

Manufacturer	Piper Aircraft
Model	PA-39 Twin Comanche C/R
Type	Light twin-engine aircraft
Engines	2
Crew	1
Seating Capacity	4
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Powerplant Output	160 hp each
Capacity	4
Wingspan	36 ft 0 in (10.97 m)
Service Ceiling	20, 000 ft (6, 100 m)
Fuel Capacity	100 US gal (379 L)