Should I be honest in my feedback?

[Conflicted2018]

Not an AIBU, posting here for traffic.

I have to give feedback regarding my line manager to his line manger as part of his performance review. We do not get on that well and I am not sure I can give feedback free of bias resulting from my dislike of line manager.

1. I feel he is a bit volatile. For example at one point he got angry because I informed another person in a different department that we had a new team member. Told me off saying I had overstepped the mark. This wasn’t a secret that we had a new team member.
2. Manager once got angry that because I didn’t respond to an email he sent to me and that I did not answer my work provided mobile phone after hours. Gave me an earful the next morning saying I should at least texted him to confirm I wouldn’t be able to attend to email until the morning. I told him that after hours belongs to me & my family and there is no obligation on my part to check/respond to email or phone calls after hours
3. I feel that line manager is more concerned about watching own back rather than being there for reportees
4. Line manager bad mouthed a team member who just left the job saying they were underperforming anyway. Made me think what he says about me when my back is turned.
5. I don’t feel manager is knowledgeable enough regarding the job. Often refers back me asking he how to do this or that.

Would you mention any of this in your feedback and if so, how would you word it? Number 4 is a big one for me but I don’t know if I should mention it. It wasn’t said just to me, it was said at a meeting.

Thanks!

But it would be down to the Line Manager's Line Manager to offer opportunities to address or redress any issues.

That's what 360 feedback does... an open, sometimes subjective view of an individual that a good manager will be more than capable of filtering for personal dislikes.

Any business using it should have quite robust procedures for using the data. No individual needs to filter their real issues for any 'whataboutery'!

THank you all. Your responses have given me food for thought. I will use some of the suggested wording, especially Elton’s, to address number 2 & 4. I will also include positive examples of when LM has been helpful.

Agree in theory Curious. However, life in many, many organisations isn't quite as ideal as that.