Beechcraft C90A N1553N

Summary

On 19 August 1994 at about 17:50 local time, a Beechcraft C90A registered N1553N, operated by University of North Dakota, was involved in an accident near Janesville, Wisconsin, United States. 3 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

19 August 1994 at 17:50

Classification

Accident

Location

Janesville, Wisconsin, United States

Coordinates

42.6809, -89.0103

Aircraft

Beechcraft C90A

Registration

N1553N

Category

Airplane

Engines

2

Operator

University of North Dakota

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Route

Detroit → Grand Forks

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

CHI94LA277

Nobody was injured.

the pilot-in-command's exceeding the design structural limits of the airplane. Factors were turbulence in clouds and the pilot- in-command;s continued flight into known adverse weather.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

WHILE IN CRUISE FLIGHT AT 20,000 FEET MEAN SEA LEVEL, AND MANEUVERING AROUND BUILD-UPS THE FLIGHT ENTERED IMC. SHORTLY AFTER ENTERING THE CLOUDS THE AIRPLANE ENCOUNTERED SEVERE TURBULENCE AND SOME OF THE FLIGHT INSTRUMENTS BECAME UNRELIABLE (TUMBLED). POSITIVE CONTROL OF THE AIRPLANE WAS REGAINED BETWEEN 16,800 AND 17,000 MSL. SUBSEQUENT EXAMINATION FOUND SUBSTANTIAL DAMAGE TO THE AIRFRAME.

Quoted verbatim from the NTSB record.