Beech C99 Airliner, N236AL, Alpine Aviation Inc: Incident occurred November 01, 2017 at Billings Logan International Airport (KBIL), Yellowstone County, Montana -and- Incident occurred May 13, 2017 at Denver International Airport (KDEN), Colorado

Federal Aviation Administration / Flight Standards District Office; Helena, Montana

Aircraft on landing, went off the end of the runway.

Alpine Aviation Inc:  http://registry.faa.gov/N236AL

Date: 02-NOV-17
Time: 01:10:00Z
Regis#: N236AL
Event Type: INCIDENT
Highest Injury: NONE
Aircraft Missing: No
Damage: UNKNOWN
Activity: OTHER
Flight Phase: LANDING (LDG)
Aircraft Operator: ALPINE AIR EXPRESS
Flight Number: AIP1599
City: BILLINGS
State: MONTANA

Federal Aviation Administration / Flight Standards District Office; Denver, Colorado

Aircraft on taxi, went off the taxiway and struck edge lights.

Alpine Aviation Inc: http://registry.faa.gov/N236AL

Date: 13-MAY-17
Time: 13:33:00Z
Regis#: N236AL
Aircraft Make: BEECH
Aircraft Model: BE99
Event Type: INCIDENT
Highest Injury: NONE
Aircraft Missing: No
Damage: MINOR
Activity: OTHER
Flight Phase: TAXI (TXI)
Aircraft Operator: ALPINE AVIATION
Flight Number: AIP1814
City: DENVER
State: COLORADO