UPDATE: RC501 second flight now targeting Sunday at noon in Everett. Also, read my expanded story on the start of 747-8I production.
Boeing has confirmed that Vought has begun sub-assembly production of RC001, the first 747-8i.
The Dallas-based supplier, which is responsible for fabrication for a majority of the aircraft's fuselage, as well as tail and empennage sub-assemblies, has begun manufacturing floor beams and frames for Boeing's new passenger jumbo.
Final assembly for RC001 is expected to begin in May.
While Boeing does not disclose its BBJ customers, the first production 747-8I is widely believed to be destined for a Middle Eastern head of state.
Back in Everett, RC501, the first 747-8F, is expected to make its second flight as early as noontime on Saturday from Paine Field for its ferry flight to Moses Lake, Washington.
Photo Credit Boeing