An unpainted 737 Max 8 in flight.

An unpainted 737 Max 8 in flight.

An unpainted 737 Max 8 in flight.

A Boeing 777X in flight.

Today’s Boeing test flights seen from Edmonds: An unpainted 737 Max 8 (registration #N306UH) for American Airlines flying from Renton to Boeing Field, possibly its first flight. And I got a glimpse of a distant 777X (registration #N779XX)