ASN Aircraft accident Learjet 23 N1021B Racine-Horlick Airport, WI (RAC)
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Status:Accident investigation report completed and information captured
Date:Thursday 6 November 1969
Time:11:07
Type:Silhouette image of generic LJ23 model; specific model in this crash may look slightly different
Learjet 23
Operator:Mack Truck
Registration: N1021B
MSN: 23-086
First flight: 1966
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 5 / Occupants: 5
Total:Fatalities: 7 / Occupants: 7
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:NE off Racine-Horlick Airport, WI (RAC) (   United States of America)
Phase: Approach (APR)
Nature:Executive
Departure airport:Benton Harbor-Ross Field, MI (BEH/KBEH), United States of America
Destination airport:Racine-Horlick Airport, WI (RAC/KRAC), United States of America
Narrative:
Learjet N1021B, operated by Mack Truck, Inc., crashed into Lake Michigan, USA, while executing an instrument approach to runway 22 at the Racine-Horlick Airport, Wisconsin, USA. The flight had departed from Benton Harbor, Michigan, on an Instrument Flight Rules flight plan en route to Racine. The flight had originated at Allentown earlier in the day. There were seven people aboard the
aircraft; the pilot, copilot, and five passengers.
Shortly after the accident, a small amount of wreckage was recovered from the surface of the water. The flight was being vectored
by radar to the Automatic Direction Finder final approach course to runway 22 by Milwaukee Approach Control. Radar contact was lost shortly after the flight was advised that it was passing the Marion Intersection, a radar fix 3.6 nautical miles northeast of the radio beacon which is located on the southern boundary of the airport.

Probable Cause:

PROBABLE CAUSE: "The continued descent below the prescribed approach path profile, for reasons unknown."

Accident investigation:

cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 10 months
Accident number: NTSB-AAR-70-21
Download report: Final report

Classification:
Cause undetermined
Controlled Flight Into Terrain (CFIT) - Water

Sources:
» NTSB


Follow-up / safety actions

NTSB issued 1 Safety Recommendation

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Photos

photo of Learjet-23-N1021B
accident date: 06-11-1969
type: Learjet 23
registration: N1021B
 

Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Benton Harbor-Ross Field, MI to Racine-Horlick Airport, WI as the crow flies is 133 km (83 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Learjet 23

  • 104 built
  • 12th loss
  • 7th fatal accident
  • 2nd worst accident
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