# Accident 20010717023539A: Cessna 310R, Milwaukee, WI, July 17, 2001 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: July 17, 2001, 22:40 local time - Place: Milwaukee, WI - Airport: General Mitchell Field - Damage: No damage - Operating rules: Air taxi and commuter (Part 135) - Operator: LFGA - Location: 42.9472° N, 87.8967° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=42.9472&lon=-87.8967&mi=10 - Aircraft: N1448Z, a cancelled registration (https://openairdocs.org/deregistered/N1448Z-2001-10-31) (OpenAirDocs) - Registry model: Cessna 310R (registry code 2074245, https://openairdocs.org/model/cessna-310r) (OpenAirDocs) - Registry engine: Continental IO-520 series (registry code 17032, https://openairdocs.org/engine/continental-io-520-series) (OpenAirDocs) - Reported make and model: CESSNA 310R - NTSB investigation: [NTSB CHI01FA218](https://openairdocs.org/ntsb/CHI01FA218) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20010717023539A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.19) ON JULY 17, 2001, ABOUT 2240 CENTRAL DAYLIGHT TIME, A CESSNA 310R, N1448Z, PILOTED BY A COMMERCIAL PILOT, WAS DESTROYED ON IMPACT WITH TREES AND TERRAIN IN OAK CREEK, WISCONSIN, WHILE ON APPROACH TO RUNWAY 1L AT GENERAL MITCHELL INTERNATIONAL AIRPORT (MKE), MILWAUKEE, WISCONSIN. A POST IMPACT FIRE OCCURRED. THE NON-SCHEDULED DOMESTIC CARGO FLIGHT WAS OPERATING UNDER 14 CFR PART 135. INSTRUMENT METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT AND THE FLIGHT WAS ON AN INSTRUMENT FLIGHT PLAN. THE PILOT WAS FATALLY INJURED. THE FLIGHT ORIGINATED FROM CENTRAL WISCONSIN AIRPORT, NEAR MOSINEE, WISCONSIN, AT TIME UNKNOWN AND WAS ON APPROACH TO MKE AT THE TIME OF THE ACCIDENT. AN ON-SCENE INVESTIGATION WAS CONDUCTED. THE AIRPLANE IMPACTED A WOODED AREA WEST OF THE APPROACH LIGHTS TO RUNWAY 1L. TREE BRANCHES AND A TREE, ALONG A LINEAR PATH FROM THE EDGE OF THIS WOODED AREA TO WHERE THE AIRPLANE'S FUSELAGE CAME TO REST, WERE FOUND BROKEN OFF AND LAYING ON THE GROUND. THE AIRPLANE'S FUSELAGE WAS FOUND INVERTED, DISCOLORED, AND DEFORMED. SECTIONS OF THE FUSELAGE WERE FOUND MELTED. THE HORIZONTAL STABILIZER AND RUDDER WERE FOUND DETACHED FROM THE FUSELAGE. THE PROPELLERS WE RE FOUND DETACHED FROM THEIR ENGINE FLANGES AND THE THREADED BOLT HOLES ON THE PROPELLER HUB ASSEMBLIES WERE FOUND OVAL SHAPED. THE LEFT ENGINE PRODUCED A THUMB COMPRESSION ON CYLINDERS EXCEPT FOR THE NUMBER SIX CYLINDER. THAT CYLINDER WAS FOUND DISCOLORED AND DEFORMED. VALVE TRAIN CONTINUITY WAS ESTABLISHED TO THE NUMBER SIX CYLINDER. BOTH OF THE LEFT ENGINE'S MAGNETOS PRODUCED SPARKS WHEN ROTATED BY HAND. THE LEFT ENGINE'S VACUUM PUMP PRODUCED SUCTION WHEN ROTATED BY HAND. THE RIGHT ENGINE PRODUCED A THUMB COMPRESSION ON ALL CYLINDERS AND ONE OF ITS MAGNETOS PRODUCED SPARKS. THE RIGHT ENGINE'S VACUUM PUMP WAS FOUND WITH A BROKEN BASE AND COUPLER. THAT VACUUM PUMP PRODUCED SUCTION WHEN THE COUPLER WAS ROTATED BY HAND. REMOVED SPARK PLUGS EXHIBITED A LIGHT GRAY COLOR. FLIGHT CONTROL CONTINUITY WAS ESTABLISHED. ENGINE CONTROL CONTINUITY WAS ESTABLISHED. AT 2203, THE MKE WEATHER WAS: WIND 090 DEGREES AT 5 KNOTS; VISIBILITY 1/2 STATUTE MILE; PRESENT WEATHER MIST; SKY CONDITION BROKEN 300 FEET; TEMPERATURE 21 DEGREES C; DEW POINT 21 DEGREES C; ALTIMETER 29.97 INCHES OF MERCURY. (-23) AIRCRAFT CRASHED INTO TREES 1800' WEST OF ILS 16 APPROACH CENTER LINE. WEATHER AT THE TIME WAS 300' OVER 1 MILE WINDS CALM. AIRCRAFT WAS 1800' WEST OF 16 CENTER LINE & 200' LOW. ## The NTSB's investigation of this event (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CHI01FA218](https://openairdocs.org/ntsb/CHI01FA218), Jul 18, 2001: Cessna 310R (N1448Z), Oak Creek, WI, destroyed, 1 fatal. Probable cause: The pilot not maintaining clearance from objects during an ILS approach in low night IFR conditions and his descent below decision height. Factors were the dark night, mist, low ceiling, and the… From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.