TTDCRASH.* after a crash in TTD.
| Bit | Value | Meaning |
|---|---|---|
| 0 | 1 | Normal plane crashes off if disasters turned off[1] |
| 1 | 2 | Not even jets on small airports crash if disasters turned off |
| 2 | 4 | Normal plane crashes off unless plane is broken down, then they are four times as likely than normally. |
| 3 | 8 | Jets landing on small airports always have the normal crash probability |
| 4 | 16 | All normal plane crashes turned off[2] |
| 5 | 32 | Jets landing on small airports never crash[2] |