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NTSB Report
September 15, 1989 · Cessna 152 · N94808
Bethany, OK
Overview
Report Status
Probable Cause
Event Type
Incident
Date
September 15, 1989
Injury Outcomes
No injuries (2 uninjured)
Location
Bethany, OK
Aircraft
Cessna 152
Tail Number
N94808
Operator
Abrams Aviation
Injuries
None
Aircraft Damage
Minor
NTSB Number
FTW89IA168
A MIDAIR COLLISION OF 2 ACFT OCCURRED AS THEY WERE ON FINAL APCH TO RWY 35L AT A CTLD ARPT. NUMEROUS INSTRUCTIONAL & NML ACFT OPNS WERE BEING CONDUCTED AT THE TIME OF THE INCIDENT. INITIALLY, THE PLTS OF BOTH ACFT WERE IN CTC WITH THE LCL CTLR & BOTH HAD RCVD APPROVAL FOR CLOSED TFC. THE PLT OF 1 ACFT (CESSNA 152, N94808) RCVD CLNC FOR A TOUCH & GO LNDG. THE PLT OF THE OTR ACFT (CESSNA 150, N9347U) HAD NOT COMMUNICATED WITH THE TWR FOR ABT 2 MIN BEFORE THE INCIDENT. ACCORDING TO A WITNESS, THE CESSNA 152 WAS ESTABLISHED ON FINAL APCH & THE CESSNA 150 PLT MADE A CONTINUOUS 180 DEG TURN FM DOWNWIND TO FINAL APCH. THE CESSNA 150 WAS RPRTD TO HAVE CONVERGED ON THE CESSNA 152 FROM ABOVE. DURING IMPACT, THE LNDG GEAR OF THE CESSNA 150 BROKE THE WINDSHIELD OF THE CESSNA 152. THE TWR CTLR DID NOT SEE THE COLLISION. WHEN SHE 1ST SIGHTED THE ACFT, THEY WERE SIDE-BY-SIDE. SHE THEN CLRD THE CESSNA 152 TO LAND & INSTRUCTED THE CESSNA 150 TO GO AROUND. SAMPLE OF CESSNA 150 PLT'S URINE (TAKEN NEXT DAY) SHOWED TRACE (72 NG/ML) OF CANNABINOID METABOLITE.
NTSB Probable Cause
FAILURE OF THE CESSNA 150 PILOT TO SEE-AND-AVOID THE CESSNA 152 (INADEQUATE VISUAL LOOKOUT), AND FAILURE OF THE TOWER CONTROLLER TO PROVIDE ADEQUATE SERVICE. FACTORS RELATED TO THE ACCIDENT WERE: HIGH TRAFFIC DENSITY, WHICH RESULTED IN FREQUENCY CONGESTION, AND FAILURE OF THE CESSNA 150 PILOT TO FOLLOW ESTABLISHED TRAFFIC PATTERN PROCEDURES.
Full Narrative
A MIDAIR COLLISION OF 2 ACFT OCCURRED AS THEY WERE ON FINAL APCH TO RWY 35L AT A CTLD ARPT. NUMEROUS INSTRUCTIONAL & NML ACFT OPNS WERE BEING CONDUCTED AT THE TIME OF THE INCIDENT. INITIALLY, THE PLTS OF BOTH ACFT WERE IN CTC WITH THE LCL CTLR & BOTH HAD RCVD APPROVAL FOR CLOSED TFC. THE PLT OF 1 ACFT (CESSNA 152, N94808) RCVD CLNC FOR A TOUCH & GO LNDG. THE PLT OF THE OTR ACFT (CESSNA 150, N9347U) HAD NOT COMMUNICATED WITH THE TWR FOR ABT 2 MIN BEFORE THE INCIDENT. ACCORDING TO A WITNESS, THE CESSNA 152 WAS ESTABLISHED ON FINAL APCH & THE CESSNA 150 PLT MADE A CONTINUOUS 180 DEG TURN FM DOWNWIND TO FINAL APCH. THE CESSNA 150 WAS RPRTD TO HAVE CONVERGED ON THE CESSNA 152 FROM ABOVE. DURING IMPACT, THE LNDG GEAR OF THE CESSNA 150 BROKE THE WINDSHIELD OF THE CESSNA 152. THE TWR CTLR DID NOT SEE THE COLLISION. WHEN SHE 1ST SIGHTED THE ACFT, THEY WERE SIDE-BY-SIDE. SHE THEN CLRD THE CESSNA 152 TO LAND & INSTRUCTED THE CESSNA 150 TO GO AROUND. SAMPLE OF CESSNA 150 PLT'S URINE (TAKEN NEXT DAY) SHOWED TRACE (72 NG/ML) OF CANNABINOID METABOLITE.
Flight
Event TypeIncident
Event Time17:25 CDT
Nearest AirportWiley Post (0nm N)
Runway35L
Runway Length3232 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 152
Tail NumberN94808
Aircraft CategoryAir
DamageMinor
OperatorAbrams Aviation
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-235-N2C · Reciprocating · 108 | Continental · O-200-A · Reciprocating · 100
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 41 · Third Class
Crew 2Age 29 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 3 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point70 F / 50
Altimeter30.00 inHg
Observation Time22:49
Weather SourceWFAC