Here you can write description of your tech tree as a whole.
| Letov Š-131
Reserve (1.0)   +3 | ||
| Letov Š-131
Reserve (1.0)   | ||
| Letov Š-231
Reserve (1.0)   | ||
| Letov Š-331
Reserve (1.0)   | ||
| Letov Š-431
1.3   | ||
| Avia B-534 I.
1.7   +3 | ||
| Avia B-534 I.
1.7   | ||
| Avia B-534 II.
1.7   | ||
| Avia B-534 III.
1.7   | ||
| Avia B-534 IV.
1.7   | ||
| Avia A-102
1.7   | ||
| Aero A-11
1.0   +2 | ||
| Aero A-11
1.0   | ||
| Aero Ab-11
1.0   | ||
| Aero Ab-111
1.0   | ||
| Aero A-30
1.0   +1 | ||
| Aero A-30
1.0   | ||
| Aero A-230
1.0   | ||
| Letov Š-16
1.0   +3 | ||
| Letov Š-16
1.0   | ||
| Letov Š-316
1.0   | ||
| Letov Š-616
1.0   | ||
| Letov Š-816
1.0   | ||
| Letov Š-328V
1.3   +2 | ||
| Letov Š-328V
1.3   | ||
| Letov Š-328
1.3 .jpg.aeeb134f7d05fbd0fb7bd1b31f2c7bad.jpg)  | ||
| Letov Š-528
1.3 .jpg.274601a90807bfe6e31c18de9e78b5a0.jpg)  | ||
| Aero A-100
1.3   +2 | ||
| Aero A-100
1.3   | ||
| Aero A-101
1.3   | ||
| Aero Ab-101
1.7   | ||
| Avia F-IX
1.0   | ||
| Aero MB-200
1.0   | ||
| Aero A-42
1.3   | ||
| Aero A-304
1.3   | ||
| Letov Š-50
1.7   | ||
| Avia BH-33L
1.0   | ||
| Avia B-34
1.0   | ||
| Letov Š-22
1.0   | ||
| Praga BH-44
1.0   | ||
| Praga BH-36
1.3   | ||
| Aero A-104
1.0   | ||
| Letov Š-128
1.0   | ||
| Letov Š-33
1.0   | ||
| Praga E-45
1.3 .jpg.2b57d29572c86bf9ad5954903cb8c23c.jpg)  | ||
| Avia Bk-534
1.7   | ||
| Avia B-634
2.0   | ||
| Avia B-35
2.3   | ||
| Avia B-135
2.7   | ||
| Praga E-51
2.0 .jpg.a803a821c0fec3a0227d9ecc277b0c9d.jpg)  | ||
| Zlín Z-37 TM
2.3   | ||
| IL-2 AM-38F
3.3   | ||
| JU 87 D-5
3.3   | ||
| Avia B-71
2.0   | ||
| Aero C-3B
2.3   | ||
| Avia B-158
2.7   | ||
| Aero A-300
2.7 .jpg.a2c7d79fbce3678f37f1cd2ac79866da.jpg)  | ||
| Let C-11
2.0   | ||
| Wellinghton Mk Ic
2.3   | ||
| Hurricane IIb
2.3   | ||
| Beaufighter Mk. VIF
3.0   | ||
| Avia S-199
3.3 _(UF_25)_pic3.jpg.552e2741e0360786a4ec7adddb693a8c.jpg)  | ||
| LA-5
3.7   | ||
| Spitfire Mk.VB
4.0   | ||
| BF 109 G-2
4.3   | ||
| B-36 (Mosquito FB Mk. VI)
3.7   | ||
| B-36 HR158
4.0 | ||
| LB-77
3.0   | ||
| Pe-2FT
4.3   | ||
| LA-7
4.7   | ||
| Avia S-99
5.7   | ||
| Spitfire LF Mk.IXE
5.7   | ||
| Škoda-Kauba V5
6.3   | ||
| He 219 A-5 Uhu
4.3   | ||
| L-29 Delfín
4.7 .jpg.803b136f76be7e478808a5d07fa8bde5.jpg)  | ||
| Avia B-33
5.0   | ||
| B-24 Liberator
5.7   | ||
| L-29R Oko
4.3   | ||
| FW-190 A-8
5.0   | ||
| Avia CS-92
7.0   +1 | ||
| Avia CS-92
7.0   | ||
| Avia S-92
7.3 .jpg.e2ebe30becd09c6ba2d18b226a82afec.jpg)  | ||
| S-102
8.3   +1 | ||
| S-102
8.3   | ||
| S-103
8.7   | ||
| MiG-15SB
8.7   +1 | ||
| MiG-15SB
8.7   | ||
| MiG-15Bis SB
8.7   | ||
| S-104F
9.0   +1 | ||
| S-104F
9.0   | ||
| S-104PF
9.0   | ||
| L-39C Albatros
5.7   | ||
| L-39ZO Albatros
6.3   +1 | ||
| L-39ZO Albatros
6.3   | ||
| L-39CM
6.7   | ||
| IL-28
8.0   | ||
| L-39CA
5.7   | ||
| S-101
8.7   | ||
| S-100
6.7   | ||
| S-105
9.7   | ||
| MiG-19P
9.7   | ||
| S-106
9.3   | ||
| MiG-21PFM
9.3   | ||
| L-39ZA Albatros
8.3   | ||
| L-39ZAM
8.7   | ||
| SU-7BM
9.3   | ||
| SU-7BLK
9.7   | ||
| L-139 2000
8.3   | ||
| MiG-21MA
10.3   | ||
| MiG-21MF
10.3   +1 | ||
| MiG-21MF
10.3   | ||
| MiG-21MFN
11.0   | ||
| MiG-23MF
11.0   | ||
| MiG-23ML
11.3   | ||
| L-59 Super Albatros
9.7   | ||
| L-39NG
10.3   | ||
| L-159T1
10.3   | ||
| MiG-23BN
9.7   | ||
| SU-22M4
11.0   | ||
| Su-25K
9.7   | ||
| L-159B Albatros II
10.3   | ||
| MiG-29UBS
12.0   | ||
| MiG-29AS
12.3   | ||
| JAS-39 Gripen D
12.7   | ||
| JAS-39 Gripen C
13.0   | ||
| L-159T2
11.3   | ||
| L-159 ALCA
11.7 _in_flight_(1).jpg.3eb61500318fc76d316f3989f9593835.jpg)  | ||