Models

681

The 681 was certified on March 20, 1969. The 681 is identical to the 680W except for the pressurization equipment. The 681 utilizes an engine bleed air pressurization system instead of Hydraulic pressurization system.

Specification Performance Kit Finder
681

Specifications

Dimensions

Span44′13.41m
Length (680T:680V)41.57′12.67m
Length (680W)42.11'12.83m
Height14.60′4.45m
Tread12.11′3.69m
Cabin Entry Door3. 91’ x 2.18’1.19 x 0.66m
Cabin Height (Inside Interior)4.′621.40m
Cabin Length14.22′4.33m
Cabin Width (Inside Interior)4.33′1.31m
Cabin Volume (incl cockpit)224 ft³68.27m³
Baggage compartment height3′0.91m
Baggage compartment width3.81′1.16m
Baggage compartment length4.83′1.47m
Baggage compartment volume41.8 ft³12.74 m³
Baggage door height2.54′0.77m
Baggage door width1.58′0.48m
Baggage compartment load limitxxx lbsxxx kg
681

Propellers

Hamilton Standard Hub 33LF-325 - Blades (3) I033A-0

Power Plant

Honeywell (Garrett) TPE331-43-BL

Weights - Aircraft

Ramp Weight:9450 lbs./ 4286 Kg
Take-off Weight:9400 lbs./ 4263 Kg
Landing Weight:9000 lbs./ 4082 Kg
Standard Empty Weight:5515 lbs./ 2501 Kg
Useful Load:3935 lbs./ 1784 Kg
Zero Fuel Weight:8500 lbs./ 3855 Kg
Baggage Load Limit:500 lbs./ 226 Kg
681
681

Performance

Operating Speed

Normal Cruise (10,000 Ft Max Cruise Power) (TAS)

278 MPH / 242 KTS
Normal Cruise (21,000 Ft 96% Cruise Power Avg.) (TAS)263 MPH / 228 KTS
Twin Engine Best Rate of Climb Speed (CAS):xxxmph/xxxkts
Twin Engine Best Angle of Climb Speed (CAS):xxxmph/xxxkts
Single Engine Best Rate of Climb Speed (CAS):xxxmph/xxxkts
Single Engine Best Angle of Climb Speed (CAS):xxxmph/xxxkts
Minimum Single Engine Control Speed (CAS) 102 MPH / 89 KTS
Stall Speed (Clean, CAS)102 MPH / 89 KTS
Stall Speed (Dirty, CAS)94 MPH / 81 KTS
Stall Speed, Gear and Flaps Down (CAS):xxmph/xxkts
Cruise Range (Standard Fuel, No Reserve) 1244 SM / 1081 NM
Cruise Range (Auxiliary Fuel, No Reserve) 1491 SM / 1296 NM
Cruise Range (Standard Fuel, 45 min Reserve)1062 SM / 923 NM
Cruise Range (Auxiliary Fuel, 45 Min. Reserve)1315 SM / 1143 NM
Best rate of Climb Speed 120 MPH / 104 KTS

Cruising Ranges

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