NTSB Identification: DEN85FA017.
The docket is stored on NTSB microfiche number 27415.
Accident occurred Tuesday, October 23, 1984 in CHEYENNE, WY
Aircraft: CESSNA 414, registration: N1569T
Injuries: 1 Serious.

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 COLLIDED WITH THE GROUND DURING A TURN TO FINAL FROM A CIRCLING APPROACH (IFR) AT CHEYENNE AIRPORT. ACCORDING TO ATC, THE ACFT WAS A VFR 'POP UP' & WAS SUBSEQUENTLY ISSUED AN IFR CLEARANCE FOR AN APPROACH INTO THE AIRPORT. EXAMINATION OF THE ACFT AT THE WRECKAGE SITE REVEALED A BUILD-UP OF MIXED RIME & CLEAR ICE ON THE ENG.

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

FLIGHT CONTROL SURFACES/ATTACHMENTS..ICE


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

PROPER DESCENT RATE..NOT PERFORMED..PILOT IN COMMAND


Contributing Factors

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

JUDGMENT..POOR..PILOT IN COMMAND

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