The dashboard is equipped with a speedometer including odometer and a combination gauge that shows fuel level and engine temperature, and includes also charging and oil pressure indicator lights.
2.
At 09 : 15, while descending through 15, 000 feet ( 4, 572 m ), the low oil pressure indicator on the TriStar's psi; the minimum pressure required for normal engine operation was 30 psi.
3.
Various instruments were typically provided, including a compass, altimeter, tachometer, oil pressure indicator, airspeed gauge, radiator temperature dial, fuel air pressure indicator, fuel selector, and air exchange; these were somewhat difficult to view due to their low-set position in the cockpit.