Constant MAX_HANDOVER_RAD 

pub const MAX_HANDOVER_RAD: f64 = _; // 0.41887902047863906f64

The steepest slope the cap hands over at, as hpr flies it: 24°. It was TN 3527 Fig. 2’s steepest tangent cone, the steepest whose normal-force slope the method could read; since the milestone M1.8e11, which took the cone slopes to 30°, the tables reach CONE_TABLE_CAP_RAD, and 24° is kept because that is as far as the march carries the handover, not as far as the tables do (ADR-043: what the handover’s cap is worth).