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Twin Commander Jetprop 840 (690C), exterior
Twin TurbopropOut of production

Rockwell International

Passengers
5
Range
1,780 nm
Max cruise
290 ktas
Cabin height
4.48 ft
Max altitude
31,000 ft

01 · Basic info

Twin Commander Jetprop 840 (690C)

Development of the Commander 690B certified in September 1979 as the Model 690C, with a longer wingspan, wet-wing fuel tanks and winglets. It retains the TPE331-5 engines and is certified for single-pilot operation with up to ten passengers.

Manufacturer
Rockwell International
Class
Twin Turboprop
Production
Out of production
First delivery
1980
Last delivery
1984
Engines
2 × Garrett AiResearch TPE331-5-254K
Twin Commander Jetprop 840 (690C), exterior
1 / 3

Photo: Twin Commander Aircraft · Wikimedia Commons · © Twin Commander Aircraft (Ontic)

02 · Specifications

Technical data

Capacity

Flight crew
1
Seats (typical)
5
Seats (maximum)
10
Cabin length
14.25 ft
Cabin width
4.12 ft
Cabin height
4.48 ft
Overall baggage volume
70 cu ft

Powerplant

Engines
2 × Garrett AiResearch TPE331-5-254K
Power (each)
717.5 shp

Weights

Max take-off weight
10,325 lb
Max landing weight
9,675 lb

Performance

Range
1,780 nm
Range conditions
Long-range cruise at 31,000 ft, standard fuel, 45-minute fuel reserve, payload not stated (Twin Commander Aircraft)
Max cruise speed
290 ktas
Long-range cruise speed
248 ktas
Rate of climb
2,824 fpm
Max operating altitude
31,000 ft
Landing distance
2,332 ft

External dimensions

Length
42.98 ft
Height
14.95 ft
Wingspan
52.12 ft

Manufacturer-published or publicly documented type data, for orientation only. Figures vary with configuration, serial number, modifications and operating conditions. Not for flight planning. Values not publicly documented are omitted.

03 · Cabin layout

Cabin plan & cross-section

4.12 ft · 1.26 m4.48 ft · 1.37 mFigure for scale: 6 ft / 1.83 m

Cabin width

4.12 ft / 1.26 m

Cabin height

4.48 ft / 1.37 m

Cabin length 14.25 ft
Passenger cabinGalley / lavatoryBaggageEntrySchematic · indicative layout · not to scale
  • Club seating
  • Baggage

04 · Range map

Where the Jetprop 840 (690C) can fly nonstop

RiyadhMumbaiCairoIstanbulNairobiMoscowNiceGenevaParisLondonSingaporeLagosHong KongJohannesburgDakarTokyoNew YorkSydneySão PauloMiamiLos AngelesBuenos AiresMexico City

Range shown

1,780 nm

Published OEM range (Long-range cruise at 31,000 ft, standard fuel, 45-minute fuel reserve, payload not stated (Twin Commander Aircraft)): 1,780 nm. Great-circle distances, still air. Real-world range depends on payload, winds, temperature, routing and reserves, always confirm with a flight-planning study.

Nonstop from Dubai (DWC)

  • Riyadh461 nm
  • Mumbai1,044 nm
  • Cairo1,301 nm
  • Istanbul1,642 nm
  • Nairobi1,898 nm
  • Moscow2,004 nm
  • Nice2,588 nm
  • Geneva2,662 nm
  • Paris2,840 nm
  • London2,977 nm
  • Singapore3,160 nm
  • Lagos3,169 nm
  • Hong Kong3,211 nm
  • Johannesburg3,439 nm
  • Dakar4,084 nm
  • Tokyo4,305 nm
  • New York5,951 nm
  • Sydney6,502 nm
  • São Paulo6,580 nm
  • Miami6,810 nm
  • Los Angeles7,240 nm
  • Buenos Aires7,365 nm
  • Mexico City7,769 nm

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