NTSB Identification: DEN84IA070.
The docket is stored on NTSB microfiche number 24529.
Scheduled 14 CFR
Incident occurred Saturday, January 14, 1984 in DURANGO, CO
Aircraft: SWEARINGEN SA227-AC, registration: N31088
Injuries: 6 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.

ACCORDING TO THE CAPTAIN, THE COPLT WAS MAKING THE LANDING & CROSSED THE THRESHOLD AT 50 TO 60 FT AGL AT 110 TO 115 KTS. HE SAID A SLIGHTLY HIGHER AIRSPEED WAS USED TO COMPENSATE FOR A SMALL ABOUNT OF ICE THAT REMAINED ON THE LEADING EDGE OF THE WINGS. IN THE FLARE, THE ACFT YAWED LEFT & REPORTEDLY TOUCHED DOWN WITH THE NOSE ABOUT 15 DEGS TO THE LEFT. THE LEFT MAIN WHEEL TOUCHED DOWN ABOUT 21 FT FROM THE EDGE OF THE 150 FT WIDE RWY. THE CAPT TOOK CONTROL & APPLIED CORRECTIVE ACTION, BUT THE ACFT WENT OFF THE RWY, HIT A SNOW BANK & MUD, THEN THE NOSE GEAR COLLAPSED.THE NORMAL APCH SPEED WAS 103 KTS FOR THE ACFT'S WEIGHT. ACCORDING TO THE FLT MANUAL, THE APCH SPEED SHOULD HAVE BEEN INCREASED BY 19 KTS IF THERE WAS ICE ON THE FLYING SURFACES.

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

AIRSPEED..INADEQUATE..COPILOT/SECOND PILOT

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

SUPERVISION..INADEQUATE..PILOT IN COMMAND

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

DIRECTIONAL CONTROL..NOT MAINTAINED


Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..ICY


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

WING..ICE


Contributing Factors

TERRAIN CONDITION..SNOWBANK


Contributing Factors

TERRAIN CONDITION..SOFT


Contributing Factors

TERRAIN CONDITION..WET

Index for Jan1984 | Index of months