Accident Cirrus SR22 N450TX, Saturday 4 January 2014
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Date:Saturday 4 January 2014
Type:Silhouette image of generic SR22 model; specific model in this crash may look slightly different    
Cirrus SR22
Registration: N450TX
MSN: 1063
Year of manufacture:2004
Total airframe hrs:979 hours
Engine model:Continental IO-550-N
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:East of Upshur County Regional Airport (W22), Buckhannon, WV -   United States of America
Phase: Approach
Departure airport:Marietta, PA (N71)
Destination airport:Buckhannon, WV (W22)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The private pilot was conducting a personal cross-country flight. Although recorded data from the airplane’s flight displays indicated that, during the cruise portion of the flight, the airplane conducted several aileron rolls for which it was not certificated, yet well inside normal class G load tolerances. The data also showed that the engine operated normally during the maneuvers; therefore, they did not contribute to the loss of engine power.
According to the pilot, when the airplane was about 5 miles from touchdown and at approach speed, he performed his “prelanding” checklist, which he later stated he knew “by heart”; verifying that the fuel boost pump was on; lowering the wing flaps to 50 percent; and setting the fuel mixture to about 90 percent. About 3 miles from the runway threshold, between about 400 and 500 ft above ground level, the pilot increased the throttle to compensate for the normal airspeed loss on final approach; however, the engine did not respond. He reported that he then “moved his hand in a manner to manipulate both throttle and mixture at the same time” and increased both to maximum, but the engine still did not respond. The pilot determined that the airplane was at, or just below, the published minimums for deploying the ballistic parachute system, and he deployed it. After the parachute was deployed, the airplane struck terrain and a motor vehicle.
During examination of the airplane, the flaps were found fully extended, which was the correct configuration for landing. The throttle was found in the “max” position; however, the mixture control was found in a position about 2 inches forward of the idle “cutoff” position, which was consistent with a cruise setting and indicated that it was not in the “maximum” position as reported by the pilot. Before exiting the plane, the pilot did set mixture to cutoff and fuel selector to the off position. Multiple people were in and out of the cockpit, and the ballistic parachute was stowed in the cabin, likely manipulating the controls. Recorded data showed that, during the descent, both a reduction in the manifold pressure and fuel flow occurred and that, subsequently, a distinct reduction in exhaust gas temperature for all six cylinders occurred, corroborating that the mixture control was not advanced to maximum for the descent and landing. This information would have been available to the pilot on the airplane’s display system and would have provided him sufficient information to note that his improper positioning of the mixture control was causing the loss of engine power.
During the postaccident engine test run, the throttle was advanced and retarded multiple times with no hesitation or stumbling noted. A magneto check was also performed with minimal drop on either magneto. The engine was then set to about 1,800 rpm to simulate an approach to landing and the mixture control was moved to its as-found position. When the throttle was advanced, the engine stumbled and would not respond when the rpm was increased. Given this evidence, it is likely that the pilot’s failure to move the mixture lever to the “full rich” position during the approach to landing led to the reduction in engine power.
According to airplane manufacturer, engine manufacturer, and Federal Aviation Administration guidance, during descent, the mixture was required to be adjusted for smooth engine operation, and before landing, the mixture control was required to be placed in the “full rich” position. As noted, the mixture control was not found in the “full rich” position. Postaccident examination and interviews revealed that the airplane’s quick reference handbook and the Pilot’s Operating Handbook were not available for the pilot to reference during the flight. Further, although an electronic set of checklists was available for use on the airplane’s multifunction display, the pilot did not indicate that he had used them. If the pilot had referenced the landing checklist (on paper or on the multifunction display) or manuals, he might have recognized the reason the engine was nonresponsive and moved the fuel control mixture to the proper position for landing and prevented the loss of engine power.

Probable Cause: The pilot’s improper in-flight fuel mixture management and failure to use the appropriate checklist or manuals during approach to landing, which resulted in a loss of engine power.

Accident investigation:
Investigating agency: NTSB
Report number: ERA14LA086
Status: Investigation completed
Download report: Final report


FAA register:



Revision history:

05-Jan-2014 03:10 Geno Added
05-Jan-2014 03:15 Geno Updated [Date, Narrative]
05-Jan-2014 09:52 harro Updated [Embed code]
06-Jan-2014 17:32 sdbeach Updated [Registration, Embed code]
17-Jan-2014 01:41 Geno Updated [Nature, Source, Damage, Narrative]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
29-Nov-2017 13:22 ASN Update Bot Updated [Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative]
25-Mar-2018 07:32 Jamesrm Updated [Source, Embed code, Narrative]

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