NTSB Identification: DEN85FA015.
The docket is stored on NTSB microfiche number 27385.
Accident occurred Saturday, October 20, 1984 in CHEYENNE, WY
Aircraft: CESSNA 414-8, registration: N1597T
Injuries: 3 Serious,1 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACFT DEPARTED THE AIRPORT IN IFR CONDITIONS (SNOWING) & WAS OBSERVED STAGGERING INTO THE AIR. SHORTLY AFTER TAKEOFF THE ACFT STRUCK POWER LINES & CRASHED INTO HOMES IN A RESIDENTIAL AREA. INVESTIGATION REVEALED THAT THE ACFT HAD ACCUMULATED ICE & IN ADDITION WAS OVER CERTIFIED MAX GROSS WEIGHT. THERE WAS NO EVIDENCE OF AIRFRAME, FLT CONTROL OR ENGINE FAILURE/MALFUNCTION PRIOR TO IMPACT WITH THE POWER LINES.

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

PROPER CLIMB RATE..NOT MAINTAINED..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..PERFORMED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

OBJECT..WIRE,STATIC


Contributing Factors

WEATHER CONDITION..SNOW


Contributing Factors

AIRCRAFT WEIGHT AND BALANCE..EXCEEDED..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND

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