Salty's Av-Quiz No. 7   
Golden Triangle ILS Runway 18
by Garen Evans

You've heard of the Bermuda Triangle - that's golden. No! This is golden: The ILS runway 18 approach to Golden Triangle Regional Airport west of Columbus, Mississippi. Is there gold at the end of arc? Find out when you play Salty's latest quiz.


  1. Suppose Columbus Approach lost power and terminates radar service. What do you need to complete the approach?

    A. Geographic Positioning System receiver
    B. Distance Measuring Equipment
    C. Transponder
    D. Palm Pilot Mapping Device

  2. How many IAF's are there for this approach?

     A. One.
    B. Seven.
    C. Two.
    D. None.

  3. What is the elevation at the airport?

     A. 462 MSL
    B. 246 MSL
    C. 264 MSL
    D. 426 MSL

  4. What is the significance of BIGBEE?

     A. It's on the missed approach.
    B. It's a hidden IAF.
    C. It's the only VOR west of the field.
    D. It's an alternate fix for procedure turns.

  5. South of the field there is an obstruction. What is the height of the highest obstruction on the approach plate?

     A. 2310
    B. 1005
    C. 510
    D. 593

  6. What should you do to confirm that you are not on a false glideslope?

     A. Ask the approach controller if there are notams in regard to the ILS at KGTR.
    B. Calibrate the altimeter after checking Columbus ATIS.
    C. Click the mic three times before beginning the approach.
    D. Perform a cross check at the outer marker.

  7. What is the minimum safe altitude within 25 NM of IGB

    A. 3400
    B. 2310
    C. 2320
    D. 4300

  8. What is the decision height for the straight-in approach?

     A. 464 meters
    B. 464 feet
    C. 640 feet
    D. 640 meters

  9. When can you safely complete a procedure turn on this approach?

     A. Anytime, but DME or RADAR is required.
    B. The procedure turn is not authorized for this approach.
    C. After approval by the approach controller.
    D. The procedure turn is acceptable for any approach.
  10. You're inbound on the IGB 360 radial with operable DME, but a comm receiver that went FUBAR about 15 minutes ago. What do you do?

     A. Return to your airport of origin.
    B. Hold at BIGBEE.
    C. Join the localizer and make a straight-in approach.
    D. Fly to IGB, then outbound on the 231 radial.
Copyright (C) 2005 by AeroTexas Aviation International