I believe this was the accident (from ASN) :

RIP and condolences 🙁

Date: 24-FEB-2013
Time: 09:30 LT
Type:
Aeroprakt A-22 Foxbat
Operator: Laikipia Wildlife Forum
Registration: 5Y-LWF
C/n / msn: 239
Fatalities: Fatalities: 2 / Occupants: 2
Other fatalities: 0
Airplane damage: Written off (damaged beyond repair)
Location: Near Lake Mickleson, Mount Kenya – Kenya
Phase: Initial climb
Nature: Survey
Departure airport: HKNL
Destination airport: HKNL
Narrative:
Crashed. Both occupants have been killed.