Jet blast from large transport as it started to leave gate area moved a commuter type aircraft.

Attributes
ACN	175882
Time
Date	199104
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	ground : preflight ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : instrument
Experience	flight time last 90 days : 100 flight time total : 15000 flight time type : 3540
ASRS Report	175882
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 225 flight time total : 7000 flight time type : 5000
ASRS Report	175887
Events
Anomaly	other anomaly other
Independent Detector	other other : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Airport
Air Traffic Incident	other
Situations
Airport	procedure or policy : unspecified

Narrative:

Gate at ord has a lot of commuter aircraft in vicinity. During pushback we discussed how close they were and were most careful to limit EPR to 1.2 on taxi. Later we were called and told we had moved a commuter with our jet blast. If 1.2 EPR will damage aircraft, maybe we need to look at how close they are parking commuter aircraft to big jets initial taxi.

Original NASA ASRS Text

Title: JET BLAST FROM LGT AS IT STARTED TO LEAVE GATE AREA MOVED A COMMUTER TYPE ACFT.

Narrative: GATE AT ORD HAS A LOT OF COMMUTER ACFT IN VICINITY. DURING PUSHBACK WE DISCUSSED HOW CLOSE THEY WERE AND WERE MOST CAREFUL TO LIMIT EPR TO 1.2 ON TAXI. LATER WE WERE CALLED AND TOLD WE HAD MOVED A COMMUTER WITH OUR JET BLAST. IF 1.2 EPR WILL DAMAGE ACFT, MAYBE WE NEED TO LOOK AT HOW CLOSE THEY ARE PARKING COMMUTER ACFT TO BIG JETS INITIAL TAXI.

Data retrieved from NASA's ASRS site as of July 2007 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.