Specifications & Performance

The model 980 was the same as the 840 except for the more powerful Honeywell TPE331-511k engines with 733 shaft horsepower. These engines decreased the time to climb to an altitude of 20,000 feet from 9.5 minutes on the 840 to 7.2 minutes on the 980.



Wing span 52.12′ 15.89m
Length 42.98′ 13.10m
Height 14.95′ 4.56m
Tread 15.42′ 4.70m
Turning Radius 43.88ft 13.37m
Cabin Entry Door 2. 21’ x 3.92’ .67 x 1.19m
Cabin Height (Inside Interior) 4.48′ 1.35m
Cabin Length 14.25′ 4.34m
Cabin Width (Inside Interior) 4.12′ 1.25m
Cabin Volume 224 ft³ 6.34m³
Baggage compartment height 3.25′ 1.07m
Baggage compartment width 3.82′ 1.25m
Baggage compartment length 6.57′ 2.15m
Baggage compartment volume 70 ft³ 1.98 m³
Baggage door height 2.60′ .79m
Baggage door width 2.08′ .63m
Baggage compartment load limit 600 lbs 272 kg


(2) Dowty Rotol, 3 bladed, full feathering and reversible

Power Plant

Honeywell TPE-331-10-511K single-shaft turbo-prop with integral gearbox, two-stage centrifugal compressor, three-stage axial turbine and single annular combustion chamber

Weights - Aircraft

Ramp Weight: 10,375 lbs/4,706 kg
Take-off Weight: 10,325 lbs/4,683 kg
Landing Weight: 9,675 lbs/4,389 kg
Standard Empty Weight: 6,721 lbs/2,845 kg
Useful Load: 4,104 lbs/1,861 kg
Zero Fuel Weight: 8,800 lbs/3,991 kg
Baggage compartment load limit: 600 lbs


Operating Speed

Maximum Cruise
(22,000 ft. TAS @ MCP, average cruise weight): 363mph/315kts
Normal Cruise Speed
(18,000 ft. TAS @ MCP, average cruise weight): 352mph/306kts
Minimum Control Speed (IAS): 107mph/93kts
Stall Speed, Clean (CAS): 89mph/77kts
Stall Speed, Gear and Flaps Down (CAS): 86mph/75kts
Single Engine Best Angle of Climb Speed (IAS) Sea Level: 112mph/97kts
Minimum Control Speed (IAS): 104mph/90kts
Stall Speed, Clean (CAS): 91mph/79kts
Stall Speed, Gear and Flaps Down (CAS): 89mph/77kts

Cruising Ranges

Long range cruise at 276mph/240kts/445kmh (TAS) average at 31,000 ft., 9,449 meters, Full Fuel with 45 min. fuel reserve: 2,071 SM/ 1,800 NM, 3,333 KM

High speed cruise range at 305mph/265kts/491kmh (TAS) average at 31,000 ft., 9,449 meters, MCP with 45 min. fuel reserve: 1,821 SM/ 1,582 NM, 2,930 KM