Incident Grob G115E Tutor T1 G-CGKC, Wednesday 9 January 2013
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Date:Wednesday 9 January 2013
Type:Silhouette image of generic G115 model; specific model in this crash may look slightly different    
Grob G115E Tutor T1
Owner/operator:3 EFTS RAF
Registration: G-CGKC
MSN: 82303/E
Engine model:Lycoming AEIO-360-B1F
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:near RAF Cranwell, Cranwell, Sleaford, Lincolnshire, England -   United Kingdom
Phase: Landing
Departure airport:RAF Cranwell, Lincolnshire
Destination airport:RAF Cranwell
Investigating agency: AAIB
Confidence Rating: Accident investigation report completed and information captured
Two Grob 115E aircraft have suffered detachment of a Hoffman propeller counterweight assembly during initial climb at RAF Cranwell (G-BYUB in Aug 12 & G-CGKC in Jan 13), severely damaging the corresponding propeller blade. Successful forced landings were completed without injuries. Evidence from the second event suggested that the failure was due to the method of installation of the counterweight assemblies.

According to a report in the Daily Mail for 31 May 2013 all the RAF's fleet of Grob Tutors were grounded as a result if this incident, and have not flown since. This has led to a backlog in the basic flying training of all new trainee military pilots in the UK.

Accident investigation:
Investigating agency: AAIB
Report number: EW/C2013/01/01
Status: Investigation completed
Download report: Final report



Revision history:

09-Jan-2013 11:52 Sirjames111 Added
09-Jan-2013 17:15 Geno Updated [Time, Aircraft type, Registration, Cn, Source]
09-Jan-2013 17:22 Geno Updated [Location, Phase, Departure airport, Destination airport, Narrative]
09-Jan-2013 22:08 OSUAV8R Updated [Aircraft type]
10-Jan-2013 10:23 Anon. Updated [Source, Narrative]
10-Jan-2013 23:26 bp Updated [Narrative]
11-Jan-2013 09:35 Dr. John Smith Updated [Operator, Embed code]
12-Jan-2013 07:25 Nepa Updated [Operator]
11-Jun-2013 18:36 Dr. John Smith Updated [Source, Narrative]
12-Aug-2014 17:34 Aerossurance Updated [Operator, Location, Source, Narrative]
22-Aug-2014 07:13 Aerossurance Updated [Damage]
03-Oct-2018 18:10 Aerossurance Updated [Time, Operator, Location, Departure airport, Destination airport]
19-Nov-2018 21:33 Nepa Updated [Operator, Operator]

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