The Sukhoi S-70 Okhotnik-B ('Hunter-B') is Russia's heavy flying-wing stealth unmanned combat aerial vehicle, designed to operate with and under the control of the Su-57 fighter. It is a jet-powered low-observable platform with internal weapons bays, first flown in 2019.
| Country | Russia |
|---|---|
| Subcategory | Fixed-wing |
| Subtype | Heavy stealth UCAV |
| Role | Stealth strike / ISR / teamed with Su-57 |
| Russian-made | true |
| Class | Group 5 (heavy UCAV) |
| Classification | Heavy stealth UCAV |
| Mission | Strike, Reconnaissance, Suppression of air defenses, Loyal wingman |
| Datalink | Secure data link (teaming with Su-57) |
| Variants | S-70 Okhotnik-B |
| MTOW (kg) | 20000 |
| Operators | Russian Aerospace Forces (testing) |
| Frame type | Fixed-wing |
| Length (m) | 15 |
| Propulsion | Single AL-31F-class turbojet |
| Range (km) | 6000 |
| Wingspan (m) | 19.4 |
| Combat-proven | Limited / test |
| Export status | Not for export |
| Launch method | Runway (conventional takeoff) |
| Autonomy level | Autonomous/teamed (intended) |
| Recovery method | Runway landing |
| Max payload (kg) | 2800 |
| Max speed (km/h) | 1000 |
| Standard sensors | EO/IR, Radar, ELINT (planned) |
| Production status | Testing / pre-production |
| Combat radius (km) | 3000 |
| Notable engagements | One S-70 reportedly shot down over Donetsk region, October 2024 |
| Service ceiling (m) | 18000 |
| Conflicts deployed in | Russo-Ukrainian War (limited) |