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NTSB Report
October 2, 1992 · Beech N35 · N885R
Burlington, WA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 2, 1992
Injury Outcomes
4 injuries (4 fatalities)
Location
Burlington, WA
Aircraft
Beech N35
Tail Number
N885R
Operator
Aeronautical Services
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
SEA93FA002
THE AIRCRAFT MADE LOUD RHYTHMIC NOISES DURING TAKEOFF. IT REACHED THE END OF THE RUNWAY AT A LOW ALTITUDE ABOVE THE GROUND IN AN INITIAL CLIMB WHEN THE ENGINE SOUNDS DECREASED, THE LANDING GEAR WAS EXTENDED AND THE AIRCRAFT ENTERED A STEEP TURN BACK TO THE AIRPORT. THE NOSE DROPPED DURING THE TURN, AND THE AIRCRAFT DESCENDED NOSE DOWN, IMPACTED THE GROUND AND IGNITED IN FLAMES. EXAMINATION OF THE WRECKAGE REVEALED A PARTIALLY SEPARATED PROPELLER CYLINDER HUB BALANCE RING. EXAMINATION OF THE PROPELLER REVEALED ONE CYLINDER MOUNTING SCREW WAS MISSING AND FOUR MOUNTING SCREWS CONTAINED FATIGUE CRACKING. THERE WAS A CLEARED AREA OFF THE END OF THE TAKEOFF RUNWAY AND A LARGE, LEVEL PASTURE BEYOND THE CLEARED AREA.
NTSB Probable Cause
THE FAILURE OF SCREWS ON THE PROPELLER HUB DURING TAKEOFF, THE IMPROPER INFLIGHT DECISION BY THE PILOT TO RETURN FOR LANDING, AND THE STEEP, EXCESSIVE BANK ANGLE WHICH RESULTED IN A STALL/SPIN AND LOSS OF CONTROL.
Full Narrative
THE AIRCRAFT MADE LOUD RHYTHMIC NOISES DURING TAKEOFF. IT REACHED THE END OF THE RUNWAY AT A LOW ALTITUDE ABOVE THE GROUND IN AN INITIAL CLIMB WHEN THE ENGINE SOUNDS DECREASED, THE LANDING GEAR WAS EXTENDED AND THE AIRCRAFT ENTERED A STEEP TURN BACK TO THE AIRPORT. THE NOSE DROPPED DURING THE TURN, AND THE AIRCRAFT DESCENDED NOSE DOWN, IMPACTED THE GROUND AND IGNITED IN FLAMES. EXAMINATION OF THE WRECKAGE REVEALED A PARTIALLY SEPARATED PROPELLER CYLINDER HUB BALANCE RING. EXAMINATION OF THE PROPELLER REVEALED ONE CYLINDER MOUNTING SCREW WAS MISSING AND FOUR MOUNTING SCREWS CONTAINED FATIGUE CRACKING. THERE WAS A CLEARED AREA OFF THE END OF THE TAKEOFF RUNWAY AND A LARGE, LEVEL PASTURE BEYOND THE CLEARED AREA.
Flight
Event TypeAccident
Event Time15:53 PDT
Nearest AirportSkagit Regional (1nm ESE)
Runway1
Runway Length5475 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftBeech N35
Tail NumberN885R
Aircraft CategoryAir
DamageDestroyed
OperatorAeronautical Services
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-470-N1B · Reciprocating · 260
Seats4
People & Injuries
Injury Summary4 injuries (4 fatalities)
Fatal4
Serious0
Minor0
Uninjured0
Total4
Crew 1Age 44 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind160° @ 7 kt
Visibility10 sm
CeilingBroken clouds 1000 ft
Temperature / Dew Point59 / 0 C
Altimeter29.00 inHg
Weather SourceWIT