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ASN Wikibase Occurrence # 230187
Last updated: 9 November 2019
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Date:05-APR-2018
Time:11:40 LT
Type:Silhouette image of generic EC35 model; specific model in this crash may look slightly different
Eurocopter EC 135P2+
Owner/operator:National Police Air Service (NPAS)
Registration: G-POLA
C/n / msn: 0877
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: None
Location:Morpeth, Northumberland -   United Kingdom
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Test
Departure airport:Newcastle Airport (NCL)
Destination airport:Newcastle Airport (NCL)
Narrative:
During a maintenance flight to adjust engine speed, main rotor rpm varied between its maximum and minimum continuous limits. A mechanical stop within the adjusting potentiometer had failed in such a way that main rotor speed could not be controlled accurately, putting the helicopter at a significant risk.

Sources:

https://www.gov.uk/aaib-reports/aaib-investigation-to-ec135-p2-g-pola
http://aerossurance.com/helicopters/ec135p2-nr-control-loss/


Images:

Photo of G-POLA courtesy AirHistory.net


Coventry - Baginton (EGBE / CVT)
26 September 2010; (c) John Allan

Revision history:

Date/timeContributorUpdates
24-Oct-2019 18:49 Aerossurance Added

Corrections or additions? ... Edit this accident description