Sierra Nevada Corporation (SNC) has accepted a fourth Boeing 747-8i passenger plane converted to the US Air Force E-4C Doomsday System in Dayton, Ohio.
Work at the company's Aviation Innovation and Technology Center (AITC) covers up to five aircraft. All of these will be used as survivable aerial business centers (SAOCs).
A $13 billion program It will eventually replace the Air Force's existing E-4B Night Watch, a militarized version of the Boeing 747-200 that has been adopted for the same purpose since 1980.
We look forward to announcing the arrival of the 4th SAOC 747-8i aircraft at the Aviation Innovation and Technology Center in Dayton, Ohio. #TeamSNC #TeamSAOC
More information: https://t.co/vryguobngx. pic.twitter.com/aqafb8crli
– Sierra Nevada Corporation (@sierranevcorp) April 30, 2025
All five Boeing 747-8Is were sourced from Korea and it was reported that the production schedule would run until 2036.
“For the past year, SNC has been committed to excellence and innovation in the implementation of SAOCs. The arrival of the fourth SAOC aircraft at SNC's AITC marks an important milestone in our journey.” John Piatt It is listed.
“This achievement is a testament to the dedication and effort of the entire team and highlights our unwavering commitment to driving key national security needs.”
Programs on schedule
SNC I received the contract To develop the end of the plane in April 2024. Six weeks later, the company made the first 747-8I delivery for correction.
October 2024, SNC announcement Expansion of AITC hangars to support future production of the Apocalyptic Fleet. The facility will increase over the coming months to further optimize program work.
“Our teams are keeping vigilant to find ways to continue reducing risk and accelerate critical defensive capabilities while focusing on these key objectives,” Piatt said.
“The progress we've made in just one year clearly demonstrates our commitment to meeting and exceeding our customers' expectations while maintaining SOOC costs and schedules.”
Boeing 747-8i Aircraft
The US Air Force Doomsday's Base 747-8i aircraft is 250 feet (76 meters) long and has a wingspan of 225 feet (69 meters).
The maximum payload capacity is 167,700 pounds (76,067 kilograms) and can accommodate more than 400 people.
The airliner will have four General Electric Genx engines, a Pratt & Whitney PW901A/C Auxiliary Power unit, and a fuel capacity of over 63,000 gallons (238,481 liters).
The 747-8i operates in an altitude of 43,000 feet (13,106 meters), a speed of 490 knots (564 miles/907 kilometers per 907 kilometers), and a 7,700 nautical miles (8,861 miles/14,260 kilometers).
