ASN Wikibase Occurrence # 194406
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| Date: | Monday 4 December 2006 |
| Time: | 04:59 |
| Type: |  ATR 72-202 |
| Owner/operator: | Eurolot |
| Registration: | SP-LFA |
| MSN: | 246 |
| Fatalities: | Fatalities: 0 / Occupants: 18 |
| Aircraft damage: | Unknown |
| Location: | EPBY -
 Poland
|
| Phase: | Initial climb |
| Nature: | Passenger - Scheduled |
| Departure airport: | EPBY |
| EPWA | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
Total Loss of A/C control and orientation in clouds shortly after departure at 3000ft following both AHRS(Attitude and Headning Reference System) failure. AHRS 2 already inoperative on the ground before departure(did not recognize by the crew) and AHRS 1 switched off by First Officer who incorrectly understood Captain order to reset Autopilot, so crew has lost all flight instruments except Standby Indicators. Bank varied from 44°R to 22°L when pitch varied from -28°down to +32°up and G load varied from +0,37g to +2,61g and speed reached 253,2kt. The crew finally resumed control of A/C when exit clouds at FL 200 and landed at destination uneventfully.
Reasons:
1.Poor CRM between CPT and FO,
2.Procedures on the ground(AHRS alignment) did not followed
3.Short rest time during night(4hr sleep only)
Sources:
Final Report of State Commission on Aircraft Accidents Investigation (SCAAI)
ftp://193.23.63.158/Komisja/rejestr_2006/2006_359_RK.pdf
Visualization of the accident prepared by Polish SCAAI
https://www.youtube.com/watch?v=tLaWW2V4twA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2017 11:10 | Slawek | Added |
| 26-Mar-2017 14:51 | Slawek | Updated [Source] |
Corrections or additions? ... Edit this accident description
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