skos:altLabel | - experimental
- research
- Experimental
- experiments
- research project
- experimental aircraft
- Planned
- test aircraft
- Aerodynamic test aircraft
- Experimental - Certification compliance
- Experimental - Exhibition
- Experimental - certification compliance
- Experimental UAVs
- Experimental airliner
- Experimental glider
- Experimental light aircraft
- Experimental monoplane
- Experimental passenger aircraft
- Experimental rotorcraft
- Experimental – Exhibition/Racing
- Experimental – Market Survey
- Research aircraft
- aerodynamic test bed
- demonstration and research
- demonstrator aircraft
- experimental UAV
- experimental UAVs
- experimental aircraft radar
- experimental built
- experimental helicopter
- experimental jet aircraft
- experimental plane
- experimental unmanned helicopter
- research aircraft
- research glider
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