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T-34C INSTRUMENTS
CHAPTER SEVEN
2.
Procedures
a.
Maintain altitude and heading as directed by the controller.
b.
Begin descent when directed to "descend to your minimum descent altitude."
Reduce power to 450 ft­lbs. and lower the nose to maintain 120 knots (no glidepath
advisories will be given unless requested).
c.
Level off at MDA.
100 feet prior to MDA, initiate level off by adding power to 650­700 ft­lbs. and
raising the nose.
d.
At the MAP, if the appropriate visual references are not visible or you are not in a
position to make a safe landing, execute the Missed Approach instructions.
705.
NO­GYRO PRECISION APPROACH
Reference: NIFM, Chapter 24, "Radar Approaches," AIM, Chapter 5, Section 4, "Arrival
Procedures."
1.
Amplification ­ The No­Gyro precision approach is a precision approach flown without the
use of an RMI. In this case the word "gyro" refers to your directional gyro, which provides input
to the RMI. It is conceivable that during flight your RMI could fail while all other systems
essential to flight remain normal. Under such conditions, it would be impossible to perform
Instrument Navigation or execute a published instrument approach. However, if you are under
radar contact ATC can provide a service enabling you to navigate safely under instrument
conditions without an RMI. This service is a no­gyro vector. How can you fly a radar vector
with no RMI? The answer is simple if you consider that:
a.
The radar controller can observe the track you are making over the ground and adjust that
track by assigning headings to fly.
b.
Your aircraft has a turn needle (assumed to still be operating).
c.
Your aircraft has an operating attitude gyro.
The radar controller, knowing your present track, can apply a procedure very similar to the timed
turns you learned in BI. In this case the controller tells you to start and stop turns and performs the
timing between starts and stops.
These no­gyro vectors can be used to vector you to VFR conditions for a visual landing or to vector
you through a ground controlled approach. This section will address the No­Gyro PAR. It is a good
practice to "back up" any Radar approach with a published non­precision approach if one is
available. Since the No­Gyro approach is primarily designed as a response to an inflight equipment
INSTRUMENT NAVIGATION 7-9


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