NTSB Identification: MKC85LA028.
The docket is stored on NTSB microfiche number 27881.
Nonscheduled 14 CFR
Accident occurred Tuesday, November 27, 1984 in MASON CITY, IA
Aircraft: CESSNA 421B, registration: N41097
Injuries: 5 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE ATP PIC KNEW THAT HE WOULD BE FLYING INTO AREA OF SURFACE ICING. BOOTS ON HORIZONTAL STABILIZER DID NOT REMOVE ICE. OVER RWY AT 30 FT, ACFT STALLED & HIT THE RWY HARD. MANUFACTORER STATES ACFT CANNOT BE CERTIFIED FOR FLT INTO KNOWN ICING. DEICE AND ANTI-ICE EQUIPMENT WAS INSTALLED AT THE FACTORY DURING MANUFACTURE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PREFLIGHT PLANNING/PREPARATION..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLIGHT INTO KNOWN ADVERSE WEATHER..INITIATED..PILOT IN COMMAND
WEATHER CONDITION..ICING CONDITIONS
STALL/MUSH..INADVERTENT..PILOT IN COMMAND
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