Cessna 421B accident near Norman, OK

On December 10, 2000, a Cessna 421B (airplane) was involved in an accident near Norman, OK. 2 people died. Damage to the aircraft: destroyed.

Date
December 10, 2000
Place
Norman, OK
Aircraft
Cessna 421B · Airplane
Injuries
2 fatal, 0 serious, 0 minor
Damage
Destroyed
Position
35.210°N, 97.441°W
NTSB ID
20001218X45437

NTSB summary

HISTORY OF FLIGHT On December 10, 2000, at 0448 central standard time, a Cessna 421B, multi-engine airplane, N52KL, was destroyed when it impacted terrain while maneuvering near Norman, Oklahoma. The airplane was registered to a private individual, doing business as Four Twenty One Inc., of Oklahoma City, Oklahoma. The instrument rated commercial pilot, who was the operator, and his one passenger sustained fatal injuries. Night instrument meteorological conditions prevailed and an instrument flight rules (IFR) clearance was issued en route for the 14 Code of Federal Regulations Part 91 personal flight. The cross-country flight originated from the Altus Municipal Airport, Altus, Oklahoma, and was destined for the University of Oklahoma Westheimer Airport, Norman, Oklahoma. According to the owner of the airplane, on December 3, 2000, the airplane was delivered to Airman Flight School, Norman, Oklahoma, for an annual inspection. He stated that, once the airplane was delivered "no one was authorized to fly the plane." According to Airman personnel, the annual inspection had not been started as close-of-business on December 18, 2000. According to the airport manager of the Altus Municipal Airport, Altus, Oklahoma, the Cessna 421 arrived at the airport on December 9, 2000, at 1850. He reported that when the terminal building was opened at 0700, on December 10, 2000, the Cessna 421 was not on the ramp. According to information provided by Oklahoma City Terminal Radar Approach Control (TRACON), on December 10, 2000, at 0434, the airplane was VFR over-the-top and six miles west of C

Probable cause

the pilot's failure to follow the instrument approach procedure and his continued descent below the prescribed minimum descent altitude (MDA). Contributory factors were the pilot's physical impairment from drugs, the low ceiling, fog, and dark night light conditions.

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