NTSB Identification: SEA88IA019.
The docket is stored on NTSB microfiche number 35341.
Scheduled 14 CFR
Incident occurred Tuesday, November 17, 1987 in PORT ANGELES, WA
Probable Cause Approval Date: 07/10/1989
Aircraft: BEECH 99-A, registration: N806BA
Injuries: 5 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.

BOTH GENERATOR LIGHTS CAME ON ALONG WITH THE LEFT AND RIGHT FUEL PRESSURE LIGHTS. THE AIRCRAFT WAS BEING FLOWN BACK TO THE AIRPORT FOR A PRECAUTIONARY LANDING, WHEN THE ANNUNCIATOR PANEL LIGHTS BEGAN TO FLICKER. WHEN LANDING FLAPS WERE SELECTED THEY DID NOT OPERATE. THE LANDING GEAR WAS LOWERED AND THREE IN THE GREEN WAS OBSERVED. HOWEVER, THE NOSE GEAR DID NOT FULLY EXTEND. DURING THE LANDING, DIRECTIONAL CONTROL WAS LOST WITH THE AIRCRAFT VEERING TO THE LEFT OF THE RUNWAY. THIS WAS THE CAPTAINS FIRST FLIGHT IN THE A-MODEL, AS HE HAD BEEN ACCUSTOMED TO FLYING THE C- MODEL. THE A-MODELS' AUTO IGNITION AND ENGINE START GENERATOR SWITCHES ARE IN REVERSE POSITION TO THE C-MODEL. IT IS PROBABLE THAT THE CAPTAIN HAD SELECTED ENGINE START, OPERATING FROM BATTERY POWER, INSTEAD OF AUTO IGNITION, THUS LOSING BOTH GENERATORS.

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

PROCEDURES/DIRECTIVES..IMPROPER..PILOT IN COMMAND

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

ELECTRICAL SYSTEM,BATTERY..EXHAUSTION

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

ELECTRICAL SYSTEM..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

LIGHT(S)..INOPERATIVE


Contributing Factors

LACK OF TOTAL EXPERIENCE IN TYPE OF AIRCRAFT..PILOT IN COMMAND


Contributing Factors

ACFT/EQUIP,INADEQUATE STANDARD/REQUIREMENT..MANUFACTURER


Contributing Factors

ACFT/EQUIP,INADEQUATE CONTROL LOCATION..PRODUCTION/DESIGN PERSONNEL

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