Pushback tractor operator reported failing to follow proper procedure during pushback of aircraft.

Attributes
ACN	1661151
Time
Date	201906
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Flight Plan	IFR
Person 1
Function	Ramp
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy Ground Event / Encounter Loss Of Aircraft Control

Narrative:

Pushback [tractor] operator failed to properly secure towbar to aircraft and did not install by-pass pin before pushing. As push commenced; operator saw towbar not seated properly and stopped push; causing bar and nose gear to separate. Pilot advised to set brakes and stopped aircraft from short roll. Push speed was very slow at the time of incident.

Original NASA ASRS Text

Title: Pushback tractor operator reported failing to follow proper procedure during pushback of aircraft.

Narrative: Pushback [tractor] operator failed to properly secure towbar to aircraft and did not install by-pass pin before pushing. As push commenced; operator saw towbar not seated properly and stopped push; causing bar and nose gear to separate. Pilot advised to set brakes and stopped aircraft from short roll. Push speed was very slow at the time of incident.

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.