I live about 10 minutes from the crash site, and was home when this happened. Can safely say that weather was not a factor, severe-clear today and temps in the 30's (F).
Found more info on their route:
https://philadelphia.cbslocal.com/20...laware-county/
They were reportedly coming from Chambersburg, PA to CHOP (Children's Hospital of Philadelphia) so they literally were almost there. So maybe a 30 minute flight
Looks like a LifeNet EC135