This are only a raw summary of flight data you need to fly this aircraft:

Check fuel : Fuel needed 1.4/nm ~ 1.5 US Gallons, depending on speed and altitude, plus your personal safety.

Aux Left 266
Main 620
Center n/a
Main 620
Aux right 266
1772 US GAL
USGAL/NM in Avg 1.4 USGal

De Havilland DHC 8 Dash 8 - 300 / 400 - ICAO: DH8 - WTC: M
Manufacturer: De Havilland (Boeing)
Technical DATA:
Dimensions (m):
Wing Span: 27,43
Length: 25,68
Height:
Weights: (kg)
Take-Off Wt./MTOW: - 18996
Landing Wt./MLW: - 18579
ENGINES: 2T
FAR Length (m) Gross Weight
Take-Off : 1067m (3502 ft)
Landing: 1006m (3302 ft)
Fuel:
Capacity (Lt.) 1772 US Gal
Operational DATA
Service Ceiling: 250
Rate of Climb (ft/min): 1900
Speeds:
Max. Cruise (Kt./M) 370 KTS IAS
Long-range cruise (Kt./M) 315-320 KTSIAS
Minimum Clean Speed (Kt.) 150-170 KTS IAS
Final Approach Speed (IAS)(Kt.) 120-140
Approach category B
Supplement Information:
Power Plant: 2 x 2.000 SHP PWC 120A or 2 x 2.380 SHP PWC PW 123
Accommodation: 39 - 50
Remarks:
Approach ( eg. on std 3° glideslope ):
~ 20NM out - set first flap and reduce speed to round 180 KIAS
~ 10NM out - set next flap and reduce to 165 ( comes by itself )
~ 7NM out - set next flap and reduce to 150
~ 4NM out - Perhaps set next flap and reduce speed to 140-130.

Range : 1.296 Nautical Miles
Normal Cruise altitude : 18,700 - 19.000 ft
Max. certified Alt.: 25.000 ft / optional max. Alt. 27.000 ft.