Page 10 - Nov2016TNT Vol 20 No 11

SPECIFICATIONS Piaggio P.166-L1 Royal GullPermission To Come AboardThe cabin, reached from either side by climbing up to the waist-high door sill, seats five with two individual seats forward and three seated aft on a wide bench. Up to 120 pounds of baggage can go behind the rear seats, and a separate aft baggage compartment in the tail, adjacent to the fuel tanks, can take 300 pounds. In addition, there’s a line and anchor locker in the nose, reachable by swinging open the right half of the windshield. A 20,000-BTU Southwind cabin heater is in the aft fuselage. Electrical controls are located overhead, along with the starting controls and rudder trim crank. Unlike most twin amphibs, the power levers are on a center pedestal, rather than hanging down from the overhead. The propeller reversing levers are isolated on the left side of the panel. A controls lock pins the right yoke and rudder pedals when moored. The Lycoming GO engines are fitted with an altitude compensating pressure carburetor, so the mixture knobs are merely used for idle-cutoff.Clearing propellers for starting requires a bit of a stretch to see far aft, but the start-up is otherwise conventional. Taxiing visibility is nearly unobstructed by the nose in landplane configuration, due to the shallow deck angle. Runup requires 2,600 rpm, a product of the 77:120 gear ratio; there are no abnormal items to be checked. Mohr says 2,000 feet of normal waterPowerplantsSeatsFuelPerformance Service ceiling Single-engine ceiling Max. cruise speed Stall speedTakeoff distance(50 ft. obstacle) Landing distance (50 ft. obstacle) Max. rangeClimb rate-2 engines Climb rate-1 engine WeightsMTOWEmptyUseful load Dimensions WingspanHeightLengthCabin lengthCabin widthCabin height BaggageLycoming GO-480-B1B5190 gallons18,500 ft. 4,100 ft. 164 mph 68 mph 1,380 ft.1,410 ft.1,000 s.mi. 1,180 fpm 216 fpm6,000 lb. 4,400 lb. 1,600 lb.44.375 ft. 12.583 ft. 35.5 ft. 96 in.54 in. 48 in. 420 lb.Covington Aircraft Engines Half Page4/C Ad8 • TWIN & TURBINENOVEMBER 2016