Aircraft: IL 18D - CAO
Dimensions
- Length: 35.9 m
- Height: 10.17 m
- Wingspan: 10.17 m
35.9 m
10.17 m
10.17 m
Flying performances
Speed| Min speed | 97 m/s |
| Max speed | 180 m/s |
| Usual speed during measurements | 0 m/s |
| Usual speed during transit flights | 180 m/s |
| Ascent rate | 5 m/s |
| Min altitude |
|
| Max ceiling | 32 810 ft |
| Usual ceiling during measurements | 30 185 ft |
| Ceiling limitations | oxigen masks for crew |
| Empty weight | 34 700 kg |
| Max take-off weight | 64 000 kg |
| Max payload | 13 500 kg |
| Max scientific payload | n/c |
| Usual scientific payload during measurements | 12 600 kg |
| Scientific payload for max endurance | n/c |
Endurance
| Max endurance at min scientific payload and max fuel | 10 h (Y-coordinate of 1st point) |
| Endurance at max scientific payload | n/c |
Range
| Max range | 6 500 km (at min scientific payload and max fuel) |
| Conditions for max range |
At FL260, speed 323 kts, payload not more than 5,300 kg |
| Range at max scientific payload | None km |
| Usual range during measurement flight | 0 km |
Other
| Weather conditions limitations |
Possibility for flight according to IFR and VFR, weather conditions for landing - lower boundary of clouds 60 m, visible range 1000 m, max icing rate in clouds 2 mm/min |
| Take-off runway length | 1 250 m |
| Engines | 4 x Ivchenko AI-20M |
| Avionics | Inertial navigation system INS, Global Positioning System GPS, Air and Temperature Signal System |
Crew and scientists on board
| Crew (pilots + operators) |
5 |
| Seats available for scientists | 10 - 20 |
Cabin
| Length | n/c m |
| Width | n/c m |
| Height | n/c m |
| Apertures | n/c |
| Cabin pressurized | yes |
| More information | 1st cabin: W3.23 m x L4.60 m ; 2nd cabin: W3.23 m x L13.80 m ; 3rd cabin: W3.23 m x L2.70 m |
Aircraft modifications
| Nose boom | no |
| Windows | 2 glass windows-blisters, metal plates replacing windows for mounting sensors booms |
| Openings | 3 downward open windows for optical devices |
| Hard points | 4 beams on wings for PMS sensors |
| Inlets | inlets for air sampling |
| Additionnal systems | system for shooting out squib (for weather modification purposes), system for seeding solid carbon dioxide, cement (for weather modification purposes) |
Acquisition systems
sampling rate 20 Hz, 14 bit for turbulent measurements, sampling rate 1 Hz, 12 bit for main wind speed and position measurements, PMS data acquisition system
Electrical power
| Aircraft total electrical power (kW) | 48 kW |
| Electrical power (kW) and voltages (V) available for scientists | 10 kW |