Barometric Valve installation 31,000 feet


40 to 239
TBM aircraft SN 24 & SN 36 are in addition

Estimated labor hours:

30 hours labor

Concerned models:

TBM 700B

TBM 700A

SB Reference:

SB70-028-35 R01

Reference to order:


Barometric Valve installation 31,000 feet


Enjoy the latest enhancement for your TBM


Increases the flight ceiling from 30,000 feet to 31,000 feet

Allows the automatic supply and use of oxygen masks for the passengers.

This modification is valid for TBM700A and TBM700B already equipped with the gaseous oxygen system and P&WC

SB14261 and 14308 applied.