PATHFINDER HLZ TEST WITH CORRECT ANSWERS #2
Reference for Pathfinder Operations - correct answer FM 3-21.38
Reference for Airborne and Air Assault Operations - correct answer FM 3-99
HLZ Considerations - correct answer Tactical and Technical
Technical selection factors - correct answer Landing formations, Surface conditions,
Obstacles, Approach and departure routes, Atmospheric conditions, Type of Load
Size of HLZ factors - correct answer Size/type of A/C, Pilot/unit proficiency, Day/Night
Ops, Atmospheric Conditions (Humidity, Altitude, Temperature)
TDP Size 1 Diameter and Type of A/C - correct answer 25 Meters, OH-6, OH-58, MH-6,
AH-6, UH-72A
TDP Size 2 Diameter and Type of A/C - correct answer 35 meters, AH-1W/Z, UH-1N/Y
TDP Size 3 Diameter and Type of A/C - correct answer 50 meters, UH-60, AH-64, SH-
60, MH-60 (All 60 series)
TDP Size 4 Diameter and Type of A/C - correct answer 80 meters, All Cargo A/C,
MV/CV-22B
TDP Size 5 Diameter and Type of A/C - correct answer 100 meters, all daytime SL, A/C
of unknown origin, A/C using Land-Safe Systems
TDP Size 6 Diameter and Type of A/C - correct answer 125 meters, all SL using long
lines
TDP size 7 Diameter and Type of A/C - correct answer 150 meters, all night SL, SL A/C
using Land-Safe
Landing Formations - correct answer Trail, Echelon Left, Echelon Right, Heavy Right,
Heavy Left, Diamond, Vee, Staggered Trail Right, Staggered Trail Left
What Surface conditions are required? - correct answer Firm enough to support weight
of A/C and free of loose sand, snow, debris (use Alabama Heel stomp. Max of 2 inches)
Minimum characteristics of obstacle - correct answer 18" high, wide or deep. Slope
considered obstacle
Four R's - correct answer Remove, reduce, red (mark), Radio (advise pilot)
Where should you attempt to land A/C on slope - correct answer Upslope
, Ground Slope Restrictions - correct answer 0-7 degrees - no restrictions
7-15 degrees - skid A/C terminate at hover. Wheeled A/C issued advisory and land
upslope
Over 15 degrees - all a/c terminate at hover
Slope formula - correct answer (Difference in elevation/ horizontal distance) * 57.3
How should approaches be made? - correct answer Long axis of HLZ and into the wind
Obstacle Buffer Ratio - correct answer 10:1 or 100 meters max
5:1 or 50 meters if you may reduce
Wind max - correct answer 0-9 knots cross wind
0-5 knots tail wind
Departure heading varying maximum - correct answer 45 degrees
Atmospheric Conditions - correct answer Humidity, Altitude above sea level,
temperature
Type of load - correct answer Internal, External, Personnel, Equipment
Types of markings of Night ops - correct answer Inverted Y and NATO T
When is 5th light used on Inverted Y? - correct answer All Cargo A/C
How many lights needed and when is NATO T used? - correct answer 5 lights. When
coordinated for or flying above 500 feet AGL
How much total length is added when NATO T is used? - correct answer 20 meters
Distances of Inverted Y? 5th light distance? - correct answer 14 meters horizontal, 14
meters vertical and then 7 meters vertical. 7 meters if on top and 10 meters if bottom
right
Distances of NATO T lights? - correct answer 10 meters between all lights
Additional Aircraft light distances and location. - correct answer 5 meters for non-cargo.
10 meters for cargo. Both are right of the A/C
SL landing light distances and locations - correct answer 5 meters between triangle, 25
meters to TDP with no SL. 10 meters to right are landing lights at 10 meters apart.
5 meters between triangle, 25 meters to SL TDP with SL. 10 meters to left are landing
lights at 10 meters apart.