- Date
- August 4, 1968
- Place
- Milwaukee, WI · MILWAUKEE, WI
- Injuries
- 3 fatal, 1 serious, 11 uninjured
- Phase of flight
- Enroute
- Aircraft
- N4634SConvair 580N8742SCessna 150
- Status
- Completed · report September 4, 1969
- Report
- Brief approved by the director
- Safety recommendations
- Yes
- Case key
- 79632
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0011 68/8/4 MILWAUKEE,WIS CESSNA 150 CR- 1 0 0 NONCOMMERCIAL PRIVATE, AGE 19, 184 TIME - 0848 N8742S PX- 2 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 3 IN TYPE, DAMAGE-DESTROYED OT- 0 1 11 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH AIRCRAFT: BOTH IN FLIGHT IN FLIGHT: NORMAL CRUISE PROBABLE CAUSE(S) PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT SPECIAL DATA SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-US AIR CARRIER CONTROLLING AGENCY - NO CONTROL RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT TRAFFIC ADVISORY ISSUED - NONE CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT CONTROL ZONE/AREA - NO CONVERGENCE ANGLE-DEGREES - 42 EVASIVE ACTION TAKEN - NO REMARKS- N4634S STRUCK N8742S IN FLIGHT.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0011 68/8/4 MILWAUKEE,WIS CONVAIR 580 CR- 0 1 3 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 0848 N4634S PX- 0 0 8 42, 12163 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 3 0 0 364 IN TYPE, INSTRUMENT RATED. OPERATOR - NORTH CENTRAL AIRLINES,INC. TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH AIRCRAFT: BOTH IN FLIGHT IN FLIGHT: DESCENDING PROBABLE CAUSE(S) COPILOT - IMPROPER IN-FLIGHT DECISIONS OR PLANNING PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT WEATHER - OBSTRUCTIONS TO VISION MISCELLANEOUS ACTS,CONDITIONS - WINDSHIELD,DIRTY,FOGGY,ETC.-RESTRICTED VISION MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE WEATHER BRIEFING - COMPANY DISPATCH WEATHER FORECAST - UNKNOWN/NOT REPORTED SKY CONDITION CEILING AT ACCIDENT SITE BROKEN UNKNOWN/NOT REPORTED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 4 MILES OR LESS NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TYPE OF WEATHER CONDITIONS HAZE VFR TYPE OF FLIGHT PLAN IFR SPECIAL DATA SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-US AIR CARRIER CONTROLLING AGENCY - APPROACH CONTROL LANDING RADAR CTL/SURVEILLANCE - UNDER RADAR CONTACT TRAFFIC ADVISORY ISSUED - BY APPROACH CONTROL CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT CONTROL ZONE/AREA - NO CONVERGENCE ANGLE-DEGREES - 42 EVASIVE ACTION TAKEN - NO REMARKS- INSECT SMEARS AND METRO CONDS REDUCED VISUAL DETECT CPTY.RARAD ISSUED,CRW DID NOT REQ AVOID VECT.
Aircraft · 2
- Registration
- N4634S
- Reported as
- Convair 580
- Category
- Airplane
- Engine
- turbo prop
- Damage
- Substantial damage
- Registration
- N8742S
- Reported as
- Cessna 150
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Destroyed
N8742SRegistration cancelled Aug 5, 2019 · Cessna 150FAirframe modelCessna 150FEngine modelContinental 0-200 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.