An air carrier crew on vectors for a mdw runway 22L visual questioned their ability to remain clear ...

Narrative:

During arrival; we were told to expect vectors to the visual approach to mdw 22L. Per the cover page of the weather packet; we expected to follow the ground track of the RNAV 22L to comply with ATC. Instead we never had to fly that and we were given radar vectors. Both the captain and I noticed a cloud layer forming at approximately 3;000 just around the lake on our easterly downwind vector. The captain advised ATC of the layer. We were then given a heading of due north 360 degrees. We were still IMC. ATC then descended us to 2;500 ft MSL as he also turned us first to 310 and then as we broke out of the layer of clouds at approximately 2;700 ft MSL. We had a great view of the tall downtown buildings; etc. My captain was about to say something about needing a turn as we were issued a 270 heading that wasn't going to be tight enough. Again about to say something; ATC; without any real urgency; issued a 220 heading. We never received any GPWS caution/warnings; however; this was not a comfortable situation to be in at night in an older model aircraft being vectored around for the visual approach with a ragged cloud formation northeast of the airport. We did call the airport shortly after the controller issued the 220 heading. We were too busy making sure that we were clear of the downtown structures. We continued the visual approach; maintained all stabilized approach criteria; and landed safely. I strongly recommend prohibiting all older model aircraft (non-RNAV equipped aircraft) from this particular visual; whether under radar vectors to final; or utilizing RNAV ground track (RNAV 22L Y) at night. It seemed to us that there is simply not enough situational awareness for ATC to be 'threading the needle' around downtown buildings. It is better to fly the ILS 31C; circle to land 22L; versus the radar vector to final; if the ceiling are below 4;000 ft to 5;000 ft.

Original NASA ASRS Text

Title: An Air Carrier crew on vectors for a MDW Runway 22L visual questioned their ability to remain clear of obstacles in an older technology aircraft while flying IMC over downtown Chicago a 2;500 FT.

Narrative: During arrival; we were told to expect vectors to the visual approach to MDW 22L. Per the cover page of the weather packet; we expected to follow the ground track of the RNAV 22L to comply with ATC. INSTEAD we never had to fly that and we were given radar vectors. Both the Captain and I noticed a cloud layer forming at approximately 3;000 just around the lake on our easterly downwind vector. The Captain advised ATC of the layer. We were then given a heading of due north 360 degrees. We were still IMC. ATC then descended us to 2;500 FT MSL as he also turned us first to 310 and then as we broke out of the layer of clouds at approximately 2;700 FT MSL. We had a great view of the tall downtown buildings; etc. My Captain was about to say something about needing a turn as we were issued a 270 heading that wasn't going to be tight enough. Again about to say something; ATC; without any real urgency; issued a 220 heading. We never received any GPWS caution/warnings; however; this was not a comfortable situation to be in at night in an older model aircraft being vectored around for the visual approach with a ragged cloud formation northeast of the airport. We did call the airport shortly after the Controller issued the 220 heading. We were too busy making sure that we were clear of the downtown structures. We continued the visual approach; maintained all stabilized approach criteria; and landed safely. I strongly recommend prohibiting all older model aircraft (non-RNAV equipped aircraft) from this particular visual; whether under radar vectors to final; or utilizing RNAV ground track (RNAV 22L Y) at night. It seemed to us that there is simply not enough situational awareness for ATC to be 'threading the needle' around downtown buildings. It is better to fly the ILS 31C; circle to land 22L; versus the radar vector to final; if the ceiling are below 4;000 FT to 5;000 FT.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1183963
Time
Date	201406
Local Time Of Day	1801-2400
Place
Locale Reference	MDW.Airport
State Reference	IL
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Make Model Name	Large Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Route In Use	Vectors Visual Approach
Flight Plan	IFR
Person 1
Function	First Officer
Experience	Flight Crew Last 90 Days 253
Person 2
Function	Captain
Experience	Flight Crew Last 90 Days 250 Flight Crew Type 20000
Events
Anomaly	ATC Issue All Types Deviation - Procedural Published Material / Policy Inflight Event / Encounter Weather / Turbulence

An air carrier crew on vectors for a mdw runway 22L visual questioned their ability to remain clear of obstacles in an older technology aircraft while flying IMC over downtown chicago a 2;500 ft.