NTSB Identification: CHI87IA148.
The docket is stored on NTSB microfiche number 36638.
Incident occurred Saturday, June 13, 1987 in SPRINGFIELD, IL
Probable Cause Approval Date: 07/10/1989
Aircraft: DORNIER DO-228-201, registration: N88FB
Injuries: 2 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

THE FLIGHTCREW EXPERIENCED INFLIGHT OPENING OF THE AFT BAGGAGE DOOR AND INFLIGHT SEPARATION OF THE CABIN STAIRWAY DOOR. THE COPILOT CHECKED THE DOORS ON THREE OCCASIONS BEFORE TAKEOFF BECAUSE THE DOOR WARNING LIGHT WAS ILLUMINATED. THE CAPTAIN INITIATED THE FLIGHT AFTER OPENING THE COCKPIT DOOR AND CHECKING THE FORWARD BAGGAGE DOOR AND OBSERVING NOTHING NOTEWORTHY WHEN HE LOOKED AFT AT THE OTHER DOORS. THE DOOR WARNING SYSTEM OPERATED AS DESIGNED. THE OPERATOR HAS AMENDED THEIR OPERATING PROCEDURES TO PREVENT SIMILAR OCCURRENCES.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

DOOR,CARGO/BAGGAGE..OPEN

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

MISCELLANEOUS EQUIPMENT..IMPROPER USE OF..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

DOOR,ENTRANCE STAIR..SEPARATION

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

PROPER ASSISTANCE..NOT OBTAINED..PILOT IN COMMAND

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