Individually Owned: 151,845
Corporate Owned: 143,699
Chicago Midway Airport
Aircraft Accident/Incident Report
Chicago, Illinois 60607
Tuesady, May 10, 1988 16:55 CDT
NTSB Narrative Summary Released at Completion of Accident
MIDWAY FLT 172 (MCDONNELL DOUGLAS DC-9, N1065T) WAS ON AN IFR DEPARTURE FROM CHICAGO MIDWAY ARPT AT THE SAME TIME THAT BEECH 200, N981LL, WAS ON AN IFR ARRIVAL FOR A VISUAL APCH TO MERRILL C MEIGS ARPT, ALTHOUGH BOTH WERE IN VMC. PREVIOUSLY, O'HARE TRACON HAD RESTRICTED EASTERLY DEPARTURES FROM MIDWAY TO NOT LESS THAN 20 MI IN-TRAIL. SUBSEQUENTLY, THE HANDOFF CONTROLLER (CTLR) AT TRACON INSTRUCTED THE CTLRS AT MIDWAY TOWER TO 'CANCEL THE RESTRICTION,' MEANING TO CANCEL THE IN-TRAIL RESTRICTION. HOWEVER, THE CTLRS AT MIDWAY THOUGHT THIS WAS IN REFERENCE TO A CLIMB RESTRICTION ON THE CANAL THREE SID WHICH FLT 172 WAS USING. SUBSEQUENTLY, FLT 172 & N981LL CONVERGED AS FLT 172 WAS CLIMBING TO 3000 FT & N981LL WAS DSCNDG TO 2000 FT. RADAR DATA SHOWED THE ACFT PASSED EACH OTHER WITH LESS THAN THE REQUIRED VERTICAL & HORIZONTAL SEPN.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Incident |
| Event Date | 5/10/1988 |
| Event Day of the Week | Tuesday |
| Time of Event | 1655 |
| Event Time Zone | Central Daylight Time |
| Event City | CHICAGO |
| Event State | ILLINOIS |
| Event Country | -- |
| Zipcode of the event site | 60607 |
| Event Date Year | 1988 |
| Event Date Month | 5 |
| MidAir Collision Indicator | -- |
| On Ground Collision occurred ? | -- |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | CHICAGO MIDWAY |
| Event Location Nearest Airport ID | MDW |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 619 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1705 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 310 |
| Weather Observation Facility ID | ORD |
| Elevation of weather observation facility | 667 |
| Distance of event from weather observation facility (units?) | 11 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 4000 |
| Lowest Non-Ceiling Height | 2500 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 15 |
| Air Temperature at event time (in degrees celsius) | 15 |
| Dew Point at event time (in degress fahrenheit) | 10 |
| Wind Direction (degrees magnetic) | 40 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 95 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 5065 |
| NTSB Notification Source | -- |
| NTSB Notification Date | May 12 1988 12:00AM |
| NTSB Notification Time | 1415 |
| Fiche Number and/or location -used to find docket information | 37978 |
| Date of most recent change to record | Apr 9 2001 10:27AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N981LL | N1065T |
| NTSB Number | MIA88IA167A | MIA88IA167B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 91: General Aviation | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR | IFR |
| Flight plan Was Activated? | -- | -- |
| Damage | None | None |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | BEECH | MCDONNELL DOUGLAS |
| Aircraft Model | 200 | DC-9 |
| Aircraft Series Identifier | 200 | DC-9 |
| Aircraft Serial Number | BB602 | 45779 |
| Certified Max Gross Weight | 12500 | 91500 |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 10 | 85 |
| Number of Engines | 2 | 2 |
| Fixed gear or retractable gear | Retractable | Retractable |
| Aircraft, Type of Last Inspection | Unknown | AAIP |
| Date of Last Inspection | -- | -- |
| Airframe hours since last inspection | -- | -- |
| Airframe Hours | -- | -- |
| ELT Installed | Yes | Yes |
| ELT Activated | No | Unknown |
| ELT Aided Location of Event Site | No | Unknown |
| ELT Type | -- | -- |
| Aircraft Owner Name | STATE OF ILLINOIS | FIRST BANK OF UTAH |
| Aircraft Owner Street Address | CAP LANGHORNE BOND DRIVE | 79 SOUTH MAIN ST. |
| Aircraft Owner City | SPRINGFIELD | SALT LAKE CITY |
| Aircraft Owner State | IL | UT |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 62706 | 84111 |
| Operator is an individual? | -- | -- |
| Operator Name | STATE OF ILLINOIS | MIDWAY AIRLINES |
| Operator Same as Owner? | No | No |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | No | No |
| Operator Street Address | CAP LANGHORNE BOND DR. | MIDWAY AIRPORT |
| Operator City | SPRINGFIELD | CHICAGO |
| Operator State | IL | IL |
| Operator Country | ||
| Operator Zip code | 62706 | 60638 |
| Operator Code | MIDA | |
| Owner has at least one certificate | None | Yes - certificate holder |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | Unknown | Unknown |
| Operator Certificate Number | -- | -- |
| Indicates whether an air carrier operation was scheduled or not | -- | Scheduled |
| Indicates Domestic or International Flight | -- | Domestic |
| Operator carrying Pax/Cargo/Mail | -- | Passenger Only |
| Type of Flying (Per_Bus / Primary) | Public Use | Unknown |
| Second Pilot on Board | Yes | Yes |
| Departure Point Same as Event | No | No |
| Departure Airport Code | SPI | MDW |
| Departure City | SPRINGFIELD | CHICAGO |
| Departure State | IL | IL |
| Departure Country | ||
| Departure Time | 1610 | 1652 |
| Departure Time Zone | CDT | CDT |
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | MEI | PHC |
| Destination City | CHICAGO | PHILADELPHIA |
| Destination State | IL | PA |
| Destination Country | ||
| Specific Phase of Flight | Approach | Climb |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 0 | 31L |
| Runway Length | 0 | 6519 |
| Runway Width | 0 | 150 |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |