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NTSB Report
November 17, 1987 · Beech 99-A · N806BA
Port Angeles, WA
Overview
Report Status
Preliminary report
Event Type
Incident
Date
November 17, 1987
Injury Outcomes
No injuries (5 uninjured)
Location
Port Angeles, WA
Aircraft
Beech 99-A
Tail Number
N806BA
Operator
San Juan Airlines
Injuries
None
Aircraft Damage
Minor
NTSB Number
SEA88IA019
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.
Full Narrative
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.
Flight
Event TypeIncident
Event Time07:30 PST
Nearest AirportWilliam Fairchild Int'L (0nm N)
Runway26
Runway Length5180 ft
Runway Width160 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 99-A
Tail NumberN806BA
Aircraft CategoryAir
DamageMinor
OperatorSan Juan Airlines
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6-27 · Turboprop · 680
Seats17
People & Injuries
Injury SummaryNo injuries (5 uninjured)
Fatal0
Serious0
Minor0
Uninjured5
Total5
Crew 1Age 50 · First Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility10 sm
CeilingNone
Temperature / Dew Point34 C / 0 C
Altimeter30.00 inHg
Weather SourcePILO