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ASN Wikibase Occurrence # 3143
Last updated: 8 September 2020
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Time:04:25 LT
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different
Aérospatiale AS 350D
Owner/operator:Rocky Mountain Helicopters
Registration: N353RM
C/n / msn: 105B
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Webster City Municipal Airport, Webster City, Iowa -   United States of America
Phase: Approach
Departure airport:Des Moines, Iowa
Destination airport:Webster City, Iowa (EBS/KEBS)
Investigating agency: NTSB
Written off (damaged beyond repair) March 3 1980: crashed when engine lost power during night downwind approach to Webster City Municipal Airport, Webster City, Iowa. The AS 350 was engaged in an air ambulance CASEVAC flight from Iowa Methodist Medical Center at Des Moines, Iowa to Webster City, Iowa.

The three persons on board that were killed were:
Maureen Griffin, Flight Nurse
Hallie Burns, Flight Nurse
Nick Roetner, Pilot

Registration N353RM cancelled by the FAA as "expired" March 24 2013 - just over 33 years later...


1. NTSB:
2. FAA:

Revision history:

25-Feb-2008 12:00 ASN archive Added
26-Jun-2014 19:12 Dr. John Smith Updated [Time, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative]
26-Jun-2014 19:16 Dr. John Smith Updated [Narrative]

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