The military's general command announced the accident in a brief statement today. It says the pilot and an instructor were killed.
The statement did not say what type of aircraft was involved or where or when the crash happened.
The seven-state Emirates federation has one of the Arab world's best-equipped militaries.
It is part of the US-led coalition fighting the Islamic State group in Syria and Iraq, and a Saudi-led force battling Shiite rebels in Yemen.
Its armed forces include F-16 and Mirage 2000 fighter planes as well as several types of transport aircraft, helicopters and trainers.