ASN Wikibase Occurrence # 245596
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| Date: | Saturday 12 December 2020 |
| Time: | 09:26 UTC |
| Type: |  Diamond DA40NG Diamond Star |
| Owner/operator: | L3 CTS Airline and Academy Training Ltd |
| Registration: | G-CTSB |
| MSN: | 40.N283 |
| Year of manufacture: | 2015 |
| Engine model: | Austro E4-A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Cranfield Airport (EGTC), Bedfordshire -
 United Kingdom
|
| Phase: | Take off |
| Nature: | Ferry/positioning |
| Departure airport: | Cranfield Airport (EGTC) |
| Bournemouth International Airport (BOH/EGHH) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aircraft, a DA 40 NG (G-CTSB), stalled and struck the ground shortly after takeoff from a height of about 100-200 ft. The pilot survived but sustained serious injuries.
The pilot was seriously injured when the aircraft stalled and then struck the ground shortly after takeoff from a height of about 100-200 ft. It had been loaded with five containers of de-icing fluid, contrary to the approved training organisation’s prohibition on the carriage of cargo and dangerous goods. One container, loaded in the front right footwell close to the flying controls, limited the control stick’s available forward movement.
The aircraft was near its maximum permitted takeoff weight and aft centre of gravity limit when it departed. This, together with the limited control authority available, caused the accident.
The investigation found that aspects of the management of the Approved Training Organisation may have contributed to the accident. The de-icing fluid was probably incorrectly classified by the manufacturer as a non-dangerous good, with incorrect safety information supplied.
One Safety Recommendation is made regarding the use of recording facilities on digital flight instrument systems:
=Safety Recommendation 2022-013
It is recommended that the Civil Aviation Authority promote the use of the recording facility on Garmin 1000 instrument systems and its potential benefits.
Conclusion
The accident was caused by a control restriction preventing sufficient nose down pitch input to properly control the aircraft and avoid stalling. The restriction was caused by an unsecured de-icing fluid container placed in the front right footwell. Four other unsecured containers had been placed on seats and in the rear footwell, with the aircraft near its maximum permitted takeoff weight and aft centre of gravity position.
The de-icing fluid was incorrectly classified by the manufacturer and incorrect safety information was supplied.
Aspects of the approved training organisation’s operational management appear to have influenced behaviour in the organisation, contributing to the circumstances of the accident.
=Damage Sustained to airframe=
Per the AAIB Report "Aircraft destroyed". The CAA agreed with this conclusion, and the registration G-CTSB was cancelled (airframe de-registered) on 9 September 2021
Accident investigation:
 |
|
Sources:
1. https://www.pprune.org/accidents-close-calls/637381-da40-crash-cranfield.html
2. https://forums.flyer.co.uk/viewtopic.php?f=1&t=117411
3. https://www.airport-data.com/images/aircraft/001/457/001457723.jpg (photo)
4. https://www.navlost.eu/metar/?icao=EGTC&ts0=2020-12-12&ts1=2020-12-12
5. https://abpic.co.uk/pictures/registration/G-CTSB
6. https://www.bbc.co.uk/news/uk-england-beds-bucks-herts-62265518
7. AAIB 1st Anniversary Statement: https://www.gov.uk/government/news/da40-n2-g-ctsb-anniversary-statement
8. AAIB Final Report: https://assets.publishing.service.gov.uk/media/62c55bab8fa8f54e8fb7dba1/DA_40_NG_G-CTSB_08-22.pdf
Media:
On takeoff from Cranfield Airport an aircraft loaded with five containers of de-icing fluid stalled and struck the ground.
— AAIB (@aaibgovuk) July 21, 2022
Read the report: https://t.co/As2MPIzKNN#AviationSafety pic.twitter.com/xN7cw405zr
.jpg)
Anniversary statement on the AAIB investigation into the accident involving DA40 N2, G-CTSB, at Cranfield Airport on 12 December 2020https://t.co/sU5xdEJtDb
— AAIB (@aaibgovuk) December 10, 2021
Read more about how we investigate aircraft accidents: https://t.co/1ptiUNyF14 pic.twitter.com/xJfoPrzRBL
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Dec-2020 13:26 | Anon. | Added |
| 13-Dec-2020 13:30 | harro | Updated [Registration, Operator, Location, Narrative] |
| 13-Dec-2020 15:33 | Anon. | Updated [Registration, Operator, Source] |
| 13-Dec-2020 15:33 | harro | Updated [Registration, Other fatalities] |
| 13-Dec-2020 15:48 | RobertMB | Updated [Time, Aircraft type, Cn, Operator, Source, Narrative] |
| 13-Dec-2020 16:49 | Aerossurance | Updated [Location, Nature, Narrative] |
| 13-Dec-2020 17:21 | Anon. | Updated [Destination airport, Source, Narrative] |
| 13-Dec-2020 19:03 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
| 13-Dec-2020 19:54 | Anon. | Updated [Source, Narrative] |
| 13-Dec-2020 19:58 | RobertMB | Updated [Nature] |
| 14-Dec-2020 17:47 | GG | Updated [Narrative] |
| 15-Dec-2020 20:03 | Anon. | Updated [Narrative] |
| 16-Dec-2020 19:37 | Anon. | Updated [Narrative] |
| 23-May-2021 15:30 | Anon. | Updated [Narrative] |
| 28-Jul-2021 14:50 | Dr. John Smith | Updated [Source, Category] |
| 28-Jul-2021 15:09 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
| 10-Dec-2021 20:24 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
| 10-Dec-2021 20:27 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
| 12-Apr-2022 06:22 | Jpit | Updated [Narrative] |
| 21-Jul-2022 11:51 | harro | Updated [Narrative, Accident report] |
| 21-Jul-2022 12:38 | Dr. John Smith | Updated [Time, Source, Narrative] |
| 21-Jul-2022 12:39 | Dr. John Smith | Updated [Embed code] |
| 24-Jul-2022 13:06 | Dr. John Smith | Updated [Source, Embed code] |
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