An mq-9 uav's programmed mission settings were inadvertently set to a lower altitude during a training mission. ATC notified the pilot who then assumed manual control of the aircraft.

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Attributes
ACN	882135
Time
Date	201004
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Military
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Route In Use	Other COA
Flight Plan	IFR
Component
Aircraft Component	FMS/FMC
Person 1
Function	Pilot Flying
Qualification	Flight Crew Instrument Flight Crew Commercial Flight Crew Multiengine
Experience	Flight Crew Type 35
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance

Narrative:

Flying the mq-9 aircraft on a training mission. The aircraft entered a descent commanded by the programmed mission settings. Programmed mission was inadvertently set to a lower altitude. Aircraft was recovered without incident and hand flown once the deviation was realized. ATC advised us of the deviation.

Original NASA ASRS Text

Title: An MQ-9 UAV's programmed mission settings were inadvertently set to a lower altitude during a training mission. ATC notified the pilot who then assumed manual control of the aircraft.

Narrative: Flying The MQ-9 aircraft on a training mission. The aircraft entered a descent commanded by the programmed mission settings. Programmed mission was inadvertently set to a lower altitude. Aircraft was recovered without incident and hand flown once the deviation was realized. ATC advised us of the deviation.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.