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Papa2Charlie
11th Oct 2009, 17:49
Hi all,

Hopefully a quick one for someone out there.....

What is the meaning of the acrnym TBHSI? I've seen it noted a couple of times but have no idea what it stands for, does anyone out there know? I've done a thread and Google search but to no avail.

Many thanks in advance,

P2C

dbcooper
11th Oct 2009, 18:46
Probably Time Before Hot Section Inspection, refers to flying hours left on a turbine engine before borescope of the hot section (i.e. combustor, nozzle box and turbines) required.

matkat
12th Oct 2009, 00:29
Agreed, Time Before Hot section inspection.

Papa2Charlie
12th Oct 2009, 09:07
Hi db / matkat,

Many thanks for the quick response, much appreciated.

Cheers,

P2C

subsonic69
13th Oct 2009, 06:59
great .... learned something new.. :)

Dodo56
13th Oct 2009, 12:00
TB = time before
TS = time since

Not that uncommon expessions, as is HSI.

AEUENG
15th Oct 2009, 21:16
To Be Honest, Sod It! :ok: