European Facility For Airborne Research

European Facility For Airborne Research Dec. 5, 2025, 07:57

Aircraft: STEMME S15 - INTA

  1. Aircraft & Instruments
  2. Aircraft
  3. Aircraft: STEMME S15 - INTA
Aircraft acronym STEMME S15 - INTA Registration number EC-LOT
Operator Instituto Nacional de Tecnica Aeroespacial Transnational Access status Closed to TA
Manufacturer Stemme, S-15 Open to access status Closed for access
Aircraft type Research Engine category Motorized glider
Categories Troposphere

Dimensions

  • Length: 8.52 m
  • Height: 2.45 m
  • Wingspan: 18.0 m
Airplane dimensions 8.52 m 2.45 m 18.0 m

Flying performances

Speed
Min speed 0 m/s
Max speed 93 m/s
Usual speed during measurements 0 m/s
Usual speed during transit flights 0 m/s
Ascent rate 0 m/s
Altitude
Min altitude
  • Above sea: 0 ft
  • Above ground: 0 ft
Max ceiling 30 000 ft
Usual ceiling during measurements 20 000 ft
Ceiling limitations

oxigen
Payload
Empty weight 640 kg
Max take-off weight 1 050 kg
Max payload 410 kg
Max scientific payload 250 kg (X-coordinate of 2nd point)
Usual scientific payload during measurements n/c
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 1 800 km (at min scientific payload and max fuel)
Conditions for max range

min scientific payload and max fuel
Range at max scientific payload None km
Usual range during measurement flight 0 km
Other
Weather conditions limitations

n/a
Take-off runway length 0 m
Engines

1 x Rotax 914F
Avionics

1x Air Speed Indicator(Beleuchtet)-United
Instruments P/N8000
1x Elektrischer Horizont - Mid Continent P/N° 4300
2x Altimeter up to 20.000ft/mbr-P/N 5934P
1x Variometer 0-3000ft/min-United Instruments P/N
7 030
1 set. Rotax Engine Instruments RPM/MP, CHT, OT/OP
1x Garmin GNC300XL COM/GPS
1x Garmin GNS430 COM/NAV/GPS
1x Garmin GMA340 Audio Panel
1x Garmin GTX330 Mode S-Transponder
2x Garmin GI106A CDI
1x Artex ELT ME406
1x Two-axis S-TEC Autopilot System 30 with control
unit for IFR standard applications (level,
altitude, heading, vertical speed, approach,
holding).

Crew and scientists on board
Crew (pilots + operators)

1 - 2
Seats available for scientists

n/a

Cabin
Length 1.50 m
Width 1.10 m
Height 1.10 m
Apertures

n/a
Cabin pressurized

no
More information

no

Aircraft modifications
Nose boom

no
Windows

no
Openings

no
Hard points

hard points for payload under inner wing module.
Inlets

no
Additionnal systems

external & internal payload container.

Acquisition systems

n/c

Electrical power
Aircraft total electrical power (kW)

1.0 kW at 14 VDC ; battery 24 Amp / 12 VDC,
Electrical power (kW) and voltages (V) available for scientists

1.5 kW at 28 VDC ; 24 Amp / 24 VDC buffer battery system.
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