Beechcraft 200 N334DP

Summary

On 16 November 1987 at about 14:19 local time, a Beechcraft 200 registered N334DP was involved in an accident near Jefferson, Wisconsin, United States. 8 people were on board and 8 died. The aircraft was destroyed. No probable cause statement is available for this record.

Date

16 November 1987 at 14:19

Classification

Accident

Location

Jefferson, Wisconsin, United States

Coordinates

43.0003, -88.7998

Aircraft

Beechcraft 200

Registration

N334DP

Category

Airplane

Engines

2

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Business

Phase of flight

Not recorded

Route

Chicago → Baraboo

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

CHI88MA026

8 people died.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

WHILE CRUISING ABV FRZG LVL AT 12,000', THE FLT WAS CLRD TO DSCND & MAINT 9000'. ABT 1-1/2 MIN LTR, THE FLT DECLARED A MAYDAY (EMERGENCY). RADIO & RADAR CTC WERE LOST & THE ACFT CRASHED IN A NR VERTICAL DSCNT. RADAR DATA SHOWED THAT AFTER STARTING A DSCNT, THE ACFT ENTERED A LEFT/DESCENDING MNVR. SUBSEQUENTLY, THE LEFT OUTBOARD WING PANEL & BOTH ENGS SEPD IN FLT. THE LAST TRANSPONDER REPLY WAS AT 2800'. AN EXAM REVEALED THE LEFT WING PANEL HAD SEPD FM POSITIVE OVERLOAD. NO FATIGUE OR PRE-EXISTING CRACK WAS FND ON ANY FRACTURE AREA. ALSO, DMG WAS FND ON THE LEFT ENG'S INBOARD COWLING THAT MATCHED DMG ON THE VERTICAL & RGT HORIZONTAL STABILIZERS; HOWEVER, SEQUENCE OF COWLING SEPN WAS NOT VERIFIED. THE SEPD WING PANEL & PARTS OF THE ENG COWLING WERE FOUND ABOUT 3/4 MI FM THE MAIN WRECKAGE. AN NTSB TRAJECTORY STUDY INDCD AN IN-FLT SEPN OCCURRED AT AN ALT OF APRX 5600' AS ACFT WAS HDG SE IN A 50 TO 70 DEG DIVE. ELEV TRIM INDCR WAS FND WITH A FULL NOSE UP INDCN. BOTH PLTS WERE INSTRUMENT RATED.

Quoted verbatim from the NTSB record.