The delivery comes just after Stephen Beecroft, the new U.S. ambassador to Egypt, arrives in Cairo
Egyptian President Abdel-Fattah al-Sisi concluded the helicopter deal with U.S. officials during his last visit to the country
According to a diplomatic source, al-Sisi would deliver the statement of the Arab group in the UN climate summit on Tuesday.
Pentagon spokesman Rear Admiral John Kirby said at the time that the helicopters would support Egypt's counter-terrorism operations in the Sinai Peninsula.
US Congressman asserted that Egypt remains a 'strong ally' in the region, following a meeting with al-Sisi in Cairo
"Egypt's embassy in Washington has delivered an official note of protest to the U.S. Department of State to reject Harf's remarks," Foreign Ministry spokesman Badr Abdel-Ati said
Abdel-Ati said the comparison between Egypt and Israel was unacceptable and unjustified
White House spokesman Josh Earnest said the summit will focus on expanding trade and economic ties between the United States and African nations.
Senate Foreign Relations Committee held a hearing on the nominations of Dana Smith for ambassador to Qatar; Stuart Jones to Iraq; and Robert Beecroft to Egypt.
The delegation reportedly said Washington looks positively at latest developments in Egypt
The delegation's arrival comes shortly after a visit to Egypt by US Secretary of State John Kerry earlier this week.