Cessna 208A N9637F

Summary

On 27 April 1989 at about 02:40 local time, a Cessna 208A registered N9637F, operated by Dupage Airport Authority, was involved in an accident near Mt. Zion, Illinois, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

27 April 1989 at 02:40

Classification

Accident

Location

Mt. Zion, Illinois, United States

Nearest airport

Decatur (DEC)

Coordinates

39.7700, -88.8706

Aircraft

Cessna 208A

Registration

N9637F

Category

Airplane

Engines

1

Operator

Dupage Airport Authority

Operating rule

Part 135: Air Taxi & Commuter

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

Marion → Unknown

Aircraft damage

Substantial

Weather

IMC

Light

Night/Dark

NTSB number

CHI89FA078

1 person had minor injuries.

THE PILOT'S INTENTIONAL FLIGHT INTO KNOWN ADVERSE WEATHER. CONTRIBUTING FACTORS WERE THE PILOT'S POOR EVALUATION OF THE WEATHER INFORMATION GIVEN HIM BY THE AIR TRAFFIC CONTROLLERS.

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

Read the full NTSB narrative

DEPARTED MARION WITHOUT A WX BRIEFING. PLT ADVISED DURING APPROACH THAT LAST PERSON MAKING APPROACH REPORTED MODERATE TO SEVERE TURBULENCE ON FINAL. SUBSEQUENTLY CLEARED TO LAND AND GIVEN WIND 360 AT 30 GUSTING 40. ALSO ADVISED THAT ANOTHER AIRCRAFT REPORTED A 20KT WINDSHEAR ON FINAL. THE PILOT REPORTED THAT WHEN HE HAD DESCENDED TO 1500 FEET MSL, THE AIRCRAFT ENCOUNTERED STRONG TURBULENCE AND THE AIRSPEED WENT FROM STALL TO REDLINE. DESPITE ADJUSTMENT TO FLAPS AND THROTTLE, THE AIRPLANE WAS UNCONTROLLABLE.

Quoted verbatim from the NTSB record.