Douglas DC-9-32 N933ML

Summary

On 29 May 1991 at about 18:00 local time, a Douglas DC-9-32 registered N933ML, operated by Midway Airlines, was involved in an incident near Kansas City, Missouri, United States. 46 people were on board and 6 had minor injuries. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

29 May 1991 at 18:00

Classification

Incident

Location

Kansas City, Missouri, United States

Coordinates

Not recorded

Aircraft

Douglas DC-9-32

Registration

N933ML

Category

Airplane

Engines

2

Operator

Midway Airlines

Operating rule

Part 121: Air Carrier

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

Chicago → Kansas City

Aircraft damage

Not recorded

Weather

Unk

Light

Day

NTSB number

CHI91IA175

6 people had minor injuries.

INADEQUATE DESIGN BY THE MANUFACTURERS. FACTORS ASSOCIATED WITH THE INCIDENT ARE INADEQUATE CERTIFICATION/APPROVAL BY THE FEDERAL AVIATION ADMINISTRATION AND CLEAR AIR TURBULENCE.

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

Read the full NTSB narrative

THE INCIDENT AIRPLANE ENCOUNTERED CLEAR AIR TURBULENCE WHILE FLYING IN VISUAL METEOROLOGICAL CONDITIONS AT 10,000' MSL. THE AIRPLANE WAS NOT DAMAGED DURING THE ENCOUNTER AND THE SEAT BELT SIGN WAS ON. SHORTLY AFTER THE ENCOUNTER THE CAPTAIN WAS ADVISED BY THE CABIN CREW THAT THERE HAD BEEN INJURIES IN THE CABIN DURING THE TURBULENCE. THE FLIGHT CONTINUED TO ITS DESTINATION WHERE IT WAS MET BY PARAMEDICS. SIX PERSONS, THREE FLIGHT ATTENDANTS AND THREE PASSENGERS, WERE TRANSPORTED TO A LOCAL HOSPITAL, TREATED FOR MINOR INJURIES AND RELEASED. ONE PASSENGER SEAT BELT SEPARATED FROM ITS ATTACHMENT POINT ON THE SEAT FRAME. EXAMINATION OF THE SEAT BELT SHOWED A DISTORTED KEEPER CLIP ON THE HOOK ASSEMBLY.

Quoted verbatim from the NTSB record.