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Aviation safety reports, made easier to study

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January 19, 1991 · Piper PA-28R-200 · N777CL

Sherburne, VT

Overview

Report Status
Probable Cause
Event Type
Accident
Date
January 19, 1991
Injury Outcomes
2 injuries (2 serious injuries)
Location
Sherburne, VT
Aircraft
Piper PA-28R-200
Tail Number
N777CL
Operator
Gerald P Healy
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
NYC91LA061

THE CFI RECEIVED A PRE TAKEOFF WEATHER BRIEFING WHICH INCLUDED FORECAST MODERATE ICING CONDITIONS. HE TOOK OFF WITH A STUDENT, IN AN AIRPLANE EQUIPPED WITH A HEATED PITOT TUBE, BUT NOT CERTIFIED FOR FLIGHT INTO ICING CONDITIONS. 30 MINUTES AFTER TAKEOFF THE AIRPLANE WAS UNABLE TO MAINTAIN ALTITUDE DUE TO ICE ACCUMULATIONS. THE PILOT WAS RECEIVING RADAR VECTORS TO A NEARBY AIRPORT WHEN HE DISAPPEARED FROM RADAR FOLLOWED SHORTLY BY A LOSS OF COMMUNICATIONS. IN A POST CRASH INTERVIEW, THE PILOT SAID THE LANDING GEAR EXTENDED AUTOMATICALLY AND HE WAS UNABLE TO RETRACT THEM, AND THIS CONDITION CONTRIBUTED TO HIS FAILURE TO MAINTAIN ALTITUDE. THE STUDENT PILOT ON BOARD SAID THE CFI SUCCESSFULLY RETRACTED THE LANDING GEAR AND THE AIRPLANE STILL COULD NOT MAINTAIN ALTITUDE.

NTSB Probable Cause

THE PILOTS INTENTIONAL FLIGHT INTO ICING CONDITIONS WITH AN AIRPLANE NOT EQUIPPED FOR FLIGHT IN KNOWN ICING CONDITIONS. THIS RESULTED IN AN UNCONTROLLED DESCENT AND CONTACT WITH TREES IN INSTRUMENT METEOROLOGICAL CONDITIONS. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOTS DISREGARD OF THE WEATHER BRIEFING WHICH INCLUDED FLIGHT PRECAUTIONS FOR MODERATE ICING, AND HIS OVERCONFIDENCE IN HIS ABILITY AND THE AIRPLANE'S LIMITATIONS.

Full Narrative

THE CFI RECEIVED A PRE TAKEOFF WEATHER BRIEFING WHICH INCLUDED FORECAST MODERATE ICING CONDITIONS. HE TOOK OFF WITH A STUDENT, IN AN AIRPLANE EQUIPPED WITH A HEATED PITOT TUBE, BUT NOT CERTIFIED FOR FLIGHT INTO ICING CONDITIONS. 30 MINUTES AFTER TAKEOFF THE AIRPLANE WAS UNABLE TO MAINTAIN ALTITUDE DUE TO ICE ACCUMULATIONS. THE PILOT WAS RECEIVING RADAR VECTORS TO A NEARBY AIRPORT WHEN HE DISAPPEARED FROM RADAR FOLLOWED SHORTLY BY A LOSS OF COMMUNICATIONS. IN A POST CRASH INTERVIEW, THE PILOT SAID THE LANDING GEAR EXTENDED AUTOMATICALLY AND HE WAS UNABLE TO RETRACT THEM, AND THIS CONDITION CONTRIBUTED TO HIS FAILURE TO MAINTAIN ALTITUDE. THE STUDENT PILOT ON BOARD SAID THE CFI SUCCESSFULLY RETRACTED THE LANDING GEAR AND THE AIRPLANE STILL COULD NOT MAINTAIN ALTITUDE.

Flight

Event TypeAccident
Event Time13:44 EST
Nearest AirportRUTLAND (10nm ENE)
Runway0
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-28R-200
Tail NumberN777CL
Aircraft CategoryAir
DamageDestroyed
OperatorGerald P Healy
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-CIC · Reciprocating · 200
Seats4

People & Injuries

Injury Summary2 injuries (2 serious injuries)
Fatal0
Serious2
Minor0
Uninjured0
Total2
Crew 1Age 39 · First Class

Conditions

ConditionsIMC
LightDaylight
WindCalm
CeilingOvercast 40 ft
Temperature / Dew Point0 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data