Final answer:
The missed approach procedure on the KPBI ILS Rwy 10L straight-in approach should be initiated at the decision altitude (DA) of 216 feet.
Step-by-step explanation:
The missed approach procedure on the KPBI ILS Rwy 10L straight-in approach should be initiated at the decision altitude (DA) of 216 feet. This is the point at which a pilot must make a decision to either continue the approach or execute a missed approach.
The other options mentioned, such as 3:03 minutes from ZISUR at a ground speed of 120 knots or D1.6 I-PBI or D1.6 PBI, are not relevant to determining when to initiate the missed approach procedure. These options may refer to other aspects of the approach, but they do not specify the point at which the missed approach should be initiated.