Documents / Report
This is a copy of the US Air Force aircraft accident and missing aircraft report on F-89C 51-5853A, released through Michigan Backcountry Search and Rescue. The aircraft was scrambled from Kinross AFB, Michigan on 23 November 1953 to intercept an unknown aircraft over Lake Superior. It disappeared after its radar return merged with the target, which the report identifies as an RCAF Dakota. The file includes weather data, maintenance records, the RCAF search report and a 1954 reopened search, and says no trace was found.
24/0530Z NOV CA4A THIS IS A TRUE COPY OF THE OFFICIAL SE??ING AIRCRAFT REPORT /S/ DAVID C. COLLINS Captain USAF Aircraft Accident Investigating Officer 23 November 1953 A/C NO 51-5853A Lt. Moncla WEATHER SUMMARY 23 November 1953 The weather in the vicinity of the last known position of the F-89 lost an a scramble on the evening of the 23rd of November 1953 is presumed to be the following: A low centered over Northern Minnesota moving to the East. A cold front extended South from the low thru central Minnesota, Iowa and Eastern Kansas. The local area was under the influence of a fresh South-Westerly flow ahead of the approaching cold front. The Eastern half of Lake Superior was covered with an overcast of stratocumulus bases generally 2000 ft to the West and 3000 ft to the East. Tops variable 5 - 8000 ft. A broken layer of Alto stratus formed the second layer base generally 8000 ft to the West 10000 ft to the East. Tops 12000 - 14000 ft Some? Scattered Cirrus at 18 - 20000 ft was observed in the area. Visibilities generally 8 - 10 miles over entire area. Scattered snow showers were moving thru the area causing locally, ceilings as? low? As 500 ft and visibilities 1 - 2 miles in light snow. Analysis of the radiosondes taken at Sault Ste Marie at approximately 1630E indicated moderate to heavy iceing in all clouds. The air being quite stable, indicates Rime iceing to predominate and generally little or no turbulence. Winds from the surface to 20000 ft were generally Westerly. 260 Deg/10 kts at 5000 ft - 260 Deg/30 kts at 10000 ft - 270 Deg/35 kts at 20000 ft. Temperatures were - 6 Deg/5000 ft - 8 Deg at 10000 ft - 18 Deg at 15000 ft and 25 Deg at 20000 ft. HOURLY OBSERVATIONS FDF TO 1930E WERE AS FOLLOWS: 1730E) CMX E20(+)3S - 929/35/28SSE14/927/SB50 INR 30(|)E80(||)9 986/34/31SE5/945 GMI 20(|)E 100(||)200(||)15+ 980/33/31S9/942 1830E) CMX S1 E20(+)2S- 919/32/32SSE12/924 INR E40(||)80(||)8 000/35/30SE10/949 GMI 20DE100(+)15+ 976/33/30SSE8/940 1930E) GMX S2 P5X1S- 919/32/31SSE8/924 INR M27(+)8 991/35/32SE10/947 GMI 20(+)E 100(+)15+ 949/38/31S10/933 A CERTIFIED TRUE COPY OF HOURLY WEATHER
Report, cited by the archive. The PDF is mirrored here; the original link is above. 16 pages are in the text index: search them above, or from the library's search.