Aircraft Approach Category

CHAPTER SIX

T-34C INSTRUMENTS

Hat is associated with Straightin approaches. HAA is

associated with Circling approaches. MDA is associated with

Non-precision (no glideslope) approaches.

AIRCRAFT APPROACH CATEGORY

Aircraft Approach Category a grouping of aircraft based on an

approach speed of 1.3 times the stall speed in the landing

configuration at maximum gross weight. Each category provides

300 feet of obstacle clearance at MDA within the circling radius.

NOTE

For all approaches you can always go up a category (such as up to "C,

D, or E"), but never down a category (down to "A")

Circling Approach Area

Aircraft

Obstruction

Approach

Category

Clearance

Speed (KIAS)

Radius

1.3 NM

< 91

1.5 NM

91 to < 121

1.7 NM

121 to < 141

2.3 NM

141 to < 166

4.5 NM

>166 See FAR Part 97

Figure 644 Circling Approach Area

6-72 RADIO INSTRUMENT FLIGHT PROCEDURES