Models

680F

The 680F is the same as the Model 680E except for gross weight increased to 8000 pounds, Lycoming IGSO540-B1A installed and a redesign of the nacelles and main landing gear. The “F’ designation stands for “Flatline” nacelle that increased aerodynamic performance by reducing total aerodynamic drag on the wings. The 680F was certified on August 23, 1960, per CAR 3 May 15, 1956, Amendments 3-3 and 3-4.

Note: All Specifications & Performances Data provided below are for Reference Only. See Piston Commander 680F TCDS, POH/AFM, & ICA's for Model & S/N specific Specification & Performance Data.

Specification Performance Kit Finder
680F

Specifications

Dimensions

Span49.04′13.42m
Length35.10′10.69m
Height14.5′4.41m
Tread12.91′3.93m
Cabin Entry Door3. 58’ x 2.33’1.09 x 0.71m
Cabin Height (Inside Interior)4.41′1.34m
Cabin Length10.62′3.23m
Cabin Width (Inside Interior)4.33′1.31m
Cabin Volume177 ft³53.94m³
Baggage compartment height3.41′1.03m
Baggage compartment width3.91′1.19m
Baggage compartment length2.58′0.78m
Baggage compartment volume32 ft³9.75 m³
Baggage door height1.91′0.58m
Baggage door width1.58′0.48m
Baggage compartment load limit350 lbs158 kg
680F

Propellers

HC-B3Z-30-2B/9349 / HC-B3Z-30-2B/9349-6.5 (3 blade)

Power Plant

Lycoming IGSO-540-B1A / -B1C

Weights - Aircraft

Max Ramp Weight:8000 lbs / 3629 kg
Take-off Weight:8000 lbs / 3629 kg
Landing Weight:8000 lbs / 3629 kg
Standard Empty Weight:4800 lbs / 2177 kg
Useful Load:3200 lbs / 1451 kg

680F
680F

Performance

Operating Speed

Cruise Speed (@ 55% power @ 16,000 Ft)220 mph / 191 kts
Normal Cruise Speed
(70% NRP @ 10,000 ft) 220 mph / 121 kts
Twin Engine Best Rate of Climb Speed (CAS):120 mph/ 104 kts
Best rate of Climb Speed120 mph / 104 kts
Minimum Control Speed (CAS):90 mph / 78 kts
Stall Speed, Clean (CAS):87 mph / 76 kts
Stall Speed, Gear and Flaps Down (CAS):77 mph / 67 kts
Max Range1310 SM / 1138 NM

Cruising Ranges

All Models