All fixed-wing aircraft are issued an emergency marshal radial _____ degrees relative to the expected final bearing.

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In an emergency, controllers use a marshal radial to guide the aircraft onto a distinct path that will lead to the approach without relying on normal procedures. The radial is given as a fixed offset from the expected final bearing, so the pilot can easily compute the turn and then intercept the final approach course. The standard offset is 150 degrees because it provides a clear, unambiguous direction that quickly separates the aircraft from the final approach track yet still allows a reasonable, timely turn onto the approach. A 180-degree offset would backtrack directly opposite the runway, wasting time and complicating rejoin to the final; offsets closer to the final bearing (like 120) don’t give as strong a separation, while 210 would place the marshal path on the opposite side with a less efficient intercept. Thus 150 degrees is chosen as the best balance for safe, prompt alignment.