Date:	Friday 5 October 1956
Time:	18:55 UTC
Type:	Avro 652A Anson V
Owner/operator:	Zone-Redningskorpset
Registration:	OY-DZI
MSN:	3732
Fatalities:	Fatalities: 2 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Destroyed
Location:	Mont Le Grammont -   Switzerland
Phase:	En route
Nature:	Ambulance
Departure airport:	Frankfurt/Main (EDDF)
Destination airport:	Genova (LSGG)
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
Crashed in mountains at 1718 metres, killing both crew (28/37).
When passing Berne/UE it was cleared to proceed to Sottens/HEO and down to 6000ft, which was aknowledged, the reoprt reaching 6000 feet was made 18:41, which was the last transmission. The a/c was seen by different witnesses during the last 15-20 km, the position-lights disappeared in the clouds which lay on the flanks of Grammont. The night was clear, the lights around lake Geneva were visible. The a/c veered ca 20° to the left of its intended track after Berne for undetermined reasons.
Cause: navigation error of unknown cause.

Air-Britain: The Complete Civil Registers of Denmark (1987)
http://www.oy-reg.dk/register/2388.html
Accident report of the Swiss Office of Air Accident Investigation, Aero Revue 33 (1958) Nr 6, 298-301
La Stampa 6 October 1956, p1
Nieuwsblad van het Noorden 8 October 1956, p1 (names)
Le Nouveliste Valaisan 8 octobre 1956, p8 http://doc.rero.ch/record/191144/files/1956-10-08.pdf

Date/time	Contributor	Updates
27-Sep-2008 01:00	ASN archive	Added
24-Sep-2011 07:58	Uli Elch	Updated [Aircraft type, Cn, Operator, Location, Phase, Nature, Source, Damage, Narrative, ]
20-Mar-2012 04:03	Dr. John Smith	Updated [Location, Phase, Nature, Source, Narrative, ]
20-Mar-2012 04:10	Dr. John Smith	Updated [Nature, Source, ]
10-Jan-2014 13:18	sparrow9	Updated [Time, Departure airport, Destination airport, Source, Narrative, ]
25-Jul-2014 21:16	TB	Updated [Location, Departure airport, Destination airport, Source, Narrative, ]
10-Jan-2016 20:08	TB	Updated [Location, Source, Narrative, ]
28-Feb-2016 19:28	Tabo	Updated [Source, ]