NTSB Identification: NYC82FA080
14 CFR Part 91: General Aviation
Accident occurred Tuesday, April 27, 1982 in NEW RINGGOLD, PA
Probable Cause Approval Date: 04/27/1983
Aircraft: MBB BO-105C, registration: N1022H
Injuries: 4 Fatal.

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 HELICOPTER WAS LEASED BY THE ALLENTOWN SACRED HEART HOSPITAL. AT 2236 EDT, THE PILOT, WHO WAS STANDING BY FOR DUTY, OBTAINED A WEATHER BRIEFING. LATER, AT 2312, THERE WAS A REQUEST FOR A MED-EVAC HELICOPTER TO RESPOND TO A CAR ACCIDENT. THE HELICOPTER DEPARTED 10 MIN LATER AND LANDED AT THE SITE AT 2343 EDT. A SHORT TIME LATER, THE HELICOPTER LIFTED OFF WITH A PATIENT, TWO NURSES AND A PILOT ON BOARD. AT THAT TIME, THE WEATHER CONDITIONS WERE VERY RAINY WITH A MILD BREEZE. REPORTEDLY, THE HELICOPTER DEPARTED TOWARD THE SOUTHEAST WITH THE SEARCHLIGHT ON. A SHORT TIME LATER, IT IMPACTED ON RISING TERRAIN IN A STEEP NOSE DOWN ATTITUDE AND IN A RIGHT BANK. A WITNESS REPORTED SEEING THE HELICOPTER CROSS OVER TREES WITH THE SEARCHLIGHT ON, POINTING DOWN, BEFORE IMPACT. THE AIRCRAFT WAS DESTROYED BY IMPACT AND FIRE. ROTATIONAL DAMAGE WAS FOUND IN BOTH ENGINE. AN FAA FORM 337, DATED 4/27/82, REVEALED THAT A NIGHTSUN SEARCHLIGHT HAD BEEN INSTALLED AND THE WEIGHT AND BALANCE HAD BEEN ADJUSTED FOR THE INSTALLATION.

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

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


Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND


Contributing Factors

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


Contributing Factors

VISUAL/AURAL DETECTION..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..RISING

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