STOWE, VT, USA
N5091G
Cessna 172
While approaching from the southwest, the pilot was cleared for an NDB approach to the Morrisville Airport. To perform the approach, he was to proceed outbound (050 deg) from the initial approach fix (IAF), make a procedure turn at or above 4,000 ft within 10 nautical miles of the NDB, proceed inbound to the NDB on a course of 230 deg with a minimum altitude of 3,000 ft to the final approach fix (FAF), then fly a course of 223 deg for 2.4 miles to the airport with a minimum descent altitude of 2,000 ft. The pilot stated that he proceeded (outbound from the IAF) on a heading of 050 degrees for about two minutes, completed a procedure turn and took a heading of about 245 to 250 degrees to compensate for the wind conditions. He said he descended to 3000 ft, then 2500 ft after crossing the NDB. He said the needle swing seemed appropriate. However, he was off course. An FAA inspector reported that during the approach, a crosswind blew the airplane off-course to the east, which resulted in an impact with Elmore Mountain (southeast of the FAF). The pilot received his instrument rating on 4/13/96 and had accumulated 4.7 hrs of actual instrument time. The inspector stated that the pilot had made one ADF approach in non-mountainous terrain since the issuance of his instrument rating.
HISTORY OF FLIGHT On July 19, 1996, at about 1830 eastern daylight time, N5091G, a Cessna 172N, owned by APS Leasing Inc., and operated by the private pilot crashed into trees on the side of a mountain while on an NDB approach to Morrisville airport, Stowe, Vermont. The pilot and one passenger were not injured and the aircraft was destroyed. Instrument meteorological conditions existed, and an IFR flight plan was filed. The flight originated from Islip, New York at 1430, and was operated under the provisions of 14 CFR Part 91. The pilot stated that he was handed off by Air Traffic Control southwest of the JRV None Directional Beacon (NDB). He said that he proceeded to the NDB at or above 6000 feet Mean See Level (MSL), descended to 4000 feet after crossing the JRV, NDB. He said he proceeded on a heading of 050 degrees for two minutes, completed a procedure turn and took a heading of approximately 245 to 250 degrees to compensate for the wind. He said he descended to 3000 feet then 2500 feet after crossing the NDB. He said the needle swing seemed appropriate. However, he said that he was off course. According to the Federal Aviation Administration Inspector assigned to the case the pilot received his instrument rating on April 13, 1996, and that he had accumulated 4.7 hours of actual instrument time and 163.3 hours total time since May 1991. The Inspector stated that the pilot had executed one ADF approach in Non-mountainous terrain since the issuance of his instrument rating. The pilot stated to the FAA Inspector that he did not know were he was on the approach. WRECKAGE EXAMINATION/DOCUMENTATION The aircraft came to rest inverted with the tail resting against a tree. Both wings were destroyed. The empannage was distorted as a result of the impact. The FAA Inspector who examined the aircraft noted no pre-existing damage or system failures.
failure of the pilot to follow proper IFR procedures and to maintain proper terrain clearance (altitude) during an NDB approach. Factors related to the accident were: the pilot's lack of instrument experience, low ceiling, and mountainous terrain.
Source: NTSB Aviation Accident Database
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