ASN Wikibase Occurrence # 235206
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| Date: | Sunday 16 September 2018 |
| Time: | 16:06 |
| Type: |  Cirrus SR22 |
| Owner/operator: | Private |
| Registration: | N161DL |
| MSN: | 4128 |
| Year of manufacture: | 2014 |
| Total airframe hrs: | 248 hours |
| Engine model: | Continental IO-550-N |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Montauk, NY -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Montauk, NY (MTP) |
| East Hampton, NY (HTO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot was taking off for a personal, cross-country flight. He reported that, at rotation, the pilot's seat "abruptly slid backwards to the outermost distance from the controls." As a result, the pilot could no longer reach the pedals to maintain directional control, and his aileron input could not counteract the airplane's left-turning tendency. The airplane subsequently departed the left side of the runway, struck trees and shrubs, and then came to rest upright. The wings, fuselage, and empennage sustained substantial damage.
According to the pilot, except for the pilot seat, the airplane performed as designed with no other anomalies noted. Examination of the pilot's seat revealed no anomalies with the installation, dimensions, or operation. The seat moved freely fore and aft with no binding or anomalous operation noted. During postaccident functional testing of the seat, when twisting forces to the right were applied to the seat and while being slid forward, the seat position locking pin could be partially engaged, but not all the pins would seat, and the control handle would not go fully down nor could it be forced into position. Straightening or forward movement of the seat resulted in full pin engagement with the control handle in the fully down position. Given this information, it is likely that the pilot applied a twisting force when moving the seat and did not fully engage the seat position locking pins before initiating the takeoff, which resulted in the seat subsequently sliding back as the airplane accelerated during takeoff and the pilot's subsequent loss of directional control.
Probable Cause: The pilot's failure to properly secure his seat before initiating the takeoff, which resulted in the seat sliding back as the airplane accelerated during takeoff, his inability to reach the pedals, and the subsequent loss of directional control and impact with trees and shrubs.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Apr-2020 07:03 | ASN Update Bot | Added |
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