ASN Wikibase Occurrence # 54558
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| Date: | Friday 19 December 2008 |
| Time: | 17:53 |
| Type: |  Piper PA-32R-301T Saratoga II TC |
| Owner/operator: | Private |
| Registration: | N9299N |
| MSN: | 3257018 |
| Year of manufacture: | 1997 |
| Total airframe hrs: | 1344 hours |
| Engine model: | Lycoming TIO-540-AH1A |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | About 3 miles from Akron-Canton Airport -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | College Park, MD (CGS) |
| North Canton, OH (CAK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot obtained a weather briefing prior to the flight to Akron-Canton Regional Airport (CAK), Ohio, from College Park, Maryland. During the briefing, the pilot proposed a route of flight at an altitude of 6,000 feet. The briefer told the pilot that the freezing level at CAK at the time of the briefing was about 3,000 to 4,000 feet, but that the it may drop to the surface as the day progressed. The pilot indicated at the beginning of the 20-minute briefing that he was aware of the hazardous weather conditions and he expressed concern about them, but he decided to depart to CAK shortly after he received the briefing.
At the time of the accident, weather observations at CAK indicated broken clouds at 500 feet above ground level (agl), and overcast skies at 100 feet agl. Meteorological analysis showed a high likelihood of encountering supercooled large droplet (SLD) icing in the area. General aviation pilots operating into and out of CAK surrounding the time of the accident all reported icing conditions, with most of the icing occurring between 3,000 to 3,500 feet. The reports also indicated freezing rain. Three of the pilots reported a rapid accumulation of between 1 and 2 inches of ice within a 15-minute period prior to and after the accident. One pilot reported that he required a significant amount of engine power to maintain airspeed and had a hard landing due to ice accumulation on his airplane.
As the accident airplane approached CAK, the local air traffic controller (ATC) issued the pilot a vector to the instrument landing system (ILS) localizer course about two miles from the runway’s ILS outer marker. The controller advised the pilot to maintain 3,200 feet until established on the approach, and that the airplane was cleared for the approach. The pilot acknowledged and asked if there were any pilot reports of icing below 6,000 feet in the area. The controller responded that there were no reports of icing at that time, but asked the pilot to advise if he encountered any. The pilot did not report icing conditions.
The pilot made a gradual left turn to intercept the localizer, and then leveled out near the approach course heading. Although left of the localizer course, he began descending on the approach and stabilized the airplane at an airspeed of just over 100 knots. The controller told the pilot that he was left of the approach course centerline. The pilot acknowledged and reported that he was "correcting." Recorded radar track information showed that the pilot did not correct to the right, but continued to fly a course to the left of, and almost parallel to, the approach course centerline.
The controller then told the pilot that he was "well left" of the approach course. The airplane briefly turned right toward the approach course centerline, but seconds later, the airplane rolled into about a 30-degree left bank, and began turning away from the approach course centerline. While at 2,800 feet, the pilot requested clearance to perform a nonstandard 360-degree turn while about 2-1/2 miles northeast of the airport in order to reestablish the airplane on the approach course (the pilot had commenced the turn before hearing back from the controller). The controller responded that he was unable to approve the pilot's request.
The controller then instructed the pilot to climb and maintain 3,000 feet. The airplane's left bank gradually increased to about 40 degrees at that time. The controller asked the pilot for his present heading and the pilot responded "due north and climbing." The airplane began to climb while remaining in a 30 to 40-degree left bank. The controller instructed the pilot to climb without delay. Pitch increased above 20 degrees with the airplane still in a 30-degree left bank, and with airspeed significantly decreasing. Shortly thereafter, the airplane entered a spiral-like dive as the pilot declared an emergency. The controller advised the pilot to “…maintain altitude. The airport is two miles west of you," but the pilot did not respond and there was no further contact with the ai
Probable Cause: The pilot’s inappropriate control inputs as a result of spatial disorientation, which led to an aerodynamic stall and loss of control. Contributing to the accident were the pilot's decision to conduct flight into known icing conditions, ice accumulation that reduced the airplane's aerodynamic performance, and the pilot's failure to initially intercept and establish the airplane on the proper approach course.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Dec-2008 09:05 | angels one five | Added |
| 26-Dec-2008 10:15 | RobertMB | Updated |
| 01-Mar-2009 01:13 | Topaz | Updated |
| 28-Mar-2015 19:25 | harro | Updated [Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 12:12 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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