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Flight Training Instruction - Cnatra - U.S. Navy

Flight Training Instruction - Cnatra - U.S. Navy

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T-6B PRIMARY INSTRUMENT NAVIGATION CHAPTER EIGHT<br />

RNAV minima are dependent on navigational equipment capability, as stated in the applicable<br />

NATOPS <strong>Flight</strong> Manual.<br />

NOTE<br />

The T-6B is certified to fly RNAV GPS approaches to LNAV<br />

MDA minimums.<br />

Figure 8-6b IFR RNAV Landing Minima<br />

Aircraft Approach Category – a grouping of aircraft based on an approach<br />

speed of 1.3 times the stall speed in the landing configuration at maximum gross<br />

weight. Each category provides 300’ of obstacle clearance at MDA within the<br />

circling radius.<br />

NOTES<br />

1. The T–6B is an Approach Category B aircraft based on<br />

approach speed of 91 to < 121 KIAS.<br />

2. If flying faster approach speeds, you can always go up a<br />

category, but never down.<br />

812. AERODOME SKETCH<br />

The aerodrome sketch is provided on each approach plate in the left–hand corner. It shows the<br />

runways, taxiways, airport lighting, control tower, vertical obstructions, and the field elevation.<br />

All elevations are in feet above Mean Sea Level (MSL).<br />

Note the timing “FAF to MAP” information at the bottom of the aerodrome sketch. This table is<br />

used to determine the timing from the FAF to the MAP, at various ground speeds. For example,<br />

with an approach speed of 120 KIAS and 10 knots of headwind, groundspeed becomes 110<br />

knots.<br />

The timing in this case must be interpolated: 110 knots = 2 min 20 seconds.<br />

TERMINAL PROCEDURES 8-9

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