Narrative:The pilot lost control of the aircraft when performing a go-around in bad weather (200 feet ceiling, light rain and fog). The Convair crashed nearly inverted on a hangar.
Probable Cause:
PROBABLE CAUSE: "Spatial disorientation of the captain precipitated by atmospheric refraction of either the approach lights or landing lights at a critical point in the approach wherein the crew was transitioning between flying by reference to flight instruments and by visual reference to the ground."
Accident investigation:
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Investigating agency: | NTSB  |
Status: | Investigation completed |
Duration: | 1 year and 11 months | Accident number: | NTSB/AAR-70-27 | Download report: | Final report
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Classification:
Loss of situational awareness
Loss of control
Sources:
» WCAA 2nd ed. / C.Y. Kimura
Follow-up / safety actions
NTSB issued 1 Safety Recommendation
Issued: 12-NOV-1970 | To: | A-71-4 |
SECTION 121.652 OF THE FEDERAL AVIATION REGULATIONS BE AMENDED TO PROHIBIT A CAPTAIN FROM BEING REMOVED FROM "HIGH" MINIMUMS UNTIL HE HAS ACCRUED 100 HOURS AS PILOT-IN-COMMAND IN TYPE AND THAT 50 PERCENT OF THIS TIME MAY BE REDUCED BY 1 HOUR FOR ONE LANDING THAT IS MADE BY CONDUCTING A PUBLISHED APPROACH PROCEDURE. ACTUAL OR SIMULATED IFR APPROACHES ACCRUED UNDER PART 121 TRAINING PROGRAM WOULD BE ACCEPTED FOR SUCH SUBSTITUTION CITED. (Closed - Unacceptable Action) |
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Photos
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 Milwaukee-General Mitchell Airport, WI to Chicago-O'Hare International Airport, IL as the crow flies is 107 km (67 miles).
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.