Comparison of Piper PA-31 Navajo and Piper PA-61 Aerostar

Attribute	Piper PA-31 Navajo ×	Piper PA-61 Aerostar ×
General
Manufacturer	Piper Aircraft	Piper Aircraft
Model	Piper PA-31 Navajo	Piper PA-61 Aerostar
Country	United States	United States
Manufactured from (year)	1967	1967
Manufactured to (year)	1984	1984
Type	Twin Turboprops	Twin Turboprops
Icao	PA31	PA61
Performance
Engine	2x Lycoming TIO-540-A	2x Lycoming IO-540-K
Power, hp (hp)	310	290
Avionics	Garmin GNS 530W, Garmin 696 with XM weather, S-tek 55X autopilot w/GPSS	Dual Collins VHF-250 , Dual VIR-350 etc.
Max cruise speed (km/h)	420	444
Approach speed (km/h)	117	137
Travel range (km)	1,874	1,969
Service ceiling (m)	8,016	7,620
Rate of climb (m/sec)	7.32	9.14
Take off distance (m)	400	759
Landing distance (m)	575	619
Weights
Max take off weight (kg)	2,948	2,721
Max landing weight (kg)	2,948	2,721
Max payload (kg)	1,100	930
Fuel tank capacity (l)	719	670
Baggage volume (m³)	1.7	0.85
Dimensions
Seats	7	6
Cabin height (m)	1.3	1.22
Cabin width (m)	1.27	1.25
Cabin length (m)	3.27	3.8
Exterior length (m)	9.9	10.61
Tail height (m)	3.96	3.7
Fuselage diameter (m)	1.35	1.35
Wing span (m)	12.4	11.18
Wing tips	No Winglets	No Winglets