List of Character Sets with Character “Я” (U+042F)

Name
Index₁₀
Index₁₆
ISO_5427
113
0x71
KZ-1048
223
0xDF
Windows-31J
33888
0x8460
IBM855
224
0xE0
IBM880
221
0xDD
KOI8-R
241
0xF1
IBM866
159
0x9F
KOI8-U
241
0xF1

References