Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Ranges of variance in the values of the integration index_
| Number of aircraft under study | Number and type of engine | Пintegration | KA/C | Smidel, m2 |
|---|---|---|---|---|
| 6 | 4 turbojets | 0.4…0.7 | 4…11 | 7.5…12.8 |
| 9 | 2 turbofan | 3.4…6.7 | 12…17 | 8…25 |
| 5 | 2 turbofan + 1 turbojet | 2.1…3.0 | 13…17 | 10.8…30 |
| 10 | 4 turbofan | 1.1…2.0 | 14…22 | 12…40 |