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N213CP accident description

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Crash location 39.164722°N, 77.171945°W
Nearest city Gaithersburg, MD
39.143441°N, 77.201370°W
2.2 miles away
Tail number N213CP
Accident date 15 Mar 2009
Aircraft type Cirrus Design Corp SR22
Additional details: None

NTSB Factual Report

On March 15, 2009, about 1343 eastern daylight time, a Cirrus Design Corp. SR22, N213CP, owned and operated by a private pilot, was substantially damaged after it deployed its Cirrus Airplane Parachute System (CAPS), shortly after takeoff from the Montgomery County Airpark (GAI), Gaithersburg, Maryland. The certificated private pilot was not injured. Instrument meteorological conditions prevailed and an instrument flight rules flight plan had been filed for the flight destined for the Battle Creek International Airport (AZO), Kalamazoo, Michigan. The personal flight was conducted under the provisions of Title 14 Code of Federal Regulations Part 91.

The airplane departed from runway 32, a 4,202-foot-long, asphalt runway.

The pilot reported that during the initial climb, as the airplane first entered clouds, about 700 to 1,000 feet mean sea level, the passenger side door "popped open” about 2 to 3 inches, which allowed rain, cold air, and increased noise to enter the cockpit. The pilot said he became spatially disoriented and the airplane's attitude varied; however, he was able to stabilize the airplane and intended to return to GAI. While maneuvering, with the airplane "in and out of clouds," the airplane "stalled and started to spin." The pilot was not able to recall the airplane's airspeed or altitude. He recalled pressing the “level button” and then elected to deploy the CAPS.

The airplane subsequently descended toward the ground. The left wing struck a parked vehicle and the airplane came to rest on a road, about 1/2 mile west of the airport. The airplane's the left wing was fractured and the empennage separated just forward of the horizontal stabilizer.

Examination of the airplane, which included the passenger door locking mechanism, by a Federal Aviation Administration (FAA) inspector, did not reveal any mechanical malfunctions. The pilot stated he did not experience any mechanical malfunctions during the flight.

The airplane was equipped with a "Garmin Perspective" cockpit instrumentation system, and a remote data module (RDM). The RDM, which was intended to record engine and flight parameters, was removed and forwarded to the NTSB Vehicle Recorders Laboratory, Washington, DC, where it was subsequently downloaded.

According to the Safety Board Specialist’s Factual Report, significant events recorded during the accident flight included the takeoff at 1339:35, roll excursions which began at 1340:00, pitch excursions which began at 1341:50, engagement of the autopilot in Level Mode for both lateral and vertical directions at 1342:06, stall warning at 1342:08, and CAPS deployment at 13:42:18. The autopilot and flight director disengaged, as designed when the stall warning system activated.

The pilot, age 64, held a private pilot certificate, with ratings for airplane single-engine land and instrument airplane. His most recent FAA third-class medical certificate was issued on September 12, 2008. The pilot reported 327 hours of total flight experience, which included 161 hours in the same make and model as the accident airplane, and about 7 and 63 hours of “actual” and “simulated” instrument flight experience, respectively.

The airplane, serial number 3142, was issued a standard airworthiness certificate on July 18, 2008, and was purchased new by the pilot through a corporation during August 2008. At the time of the accident, the airplane had been operated for about 120 hours. The pilot reported that he had previously owned another SR22, which was equipped with an Avidyne cockpit instrumentation system.

The Garmin Perspective Avionics suite included a feature designed to engage the autopilot to command an attitude for level flight. The Cirrus Perspective Pilot’s Guide, stated, in part:

“Level Mode is coupled pitch and roll modes and is annunciated as both the vertical and lateral modes when active. Pressing the LVL Key engages the autopilot (if not engaged), rolls the wings level, and maintains an aircraft attitude that provides level flight. Level Mode does not track altitude or heading. Pressing the LVL Key always engages the autopilot. When the LVL Key is pressed all armed and active modes are cancelled and the autopilot and flight director revert to LVL Mode for pitch and roll.”

According to a Cirrus representative, the LVL button will not engage, or will disengage, if the Stall Warning System is activated. At the time of the accident, the SR22 Pilot’s Operating Handbook Supplement pertaining to Level Button on the Garmin Perspective System indicated:

“LVL – Level Button: The LVL button engages the autopilot (if not already engaged) and commands roll to zero bank angle and pitch to zero vertical speed.”

On August 26, 2009, the section was revised to:

“LVL – Level Button: The LVL button engages the autopilot (within the Autopilot Engagement Limits if not already engaged) and commands roll to zero bank angle and pitch to zero vertical speed. The LVL button will not engage, or will disengage, if the Stall Warning System is activated.”

A weather observation taken at GAI, at 1335, reported calm winds; visibility 2 miles, overcast clouds at 400 feet; temperature 4 degrees Celsius (C), dew point 3 degrees C; altimeter 30.21 inches of mercury. The pilot recalled that the cloud layer was "slightly higher" than about 800 feet.

NTSB Probable Cause

The pilot’s spatial disorientation after the passenger door opened during flight in instrument meteorological conditions. Contributing to the accident was the pilot’s failure to properly secure the door latch.

© 2009-2020 Lee C. Baker / Crosswind Software, LLC. For informational purposes only.