LTFW Flashcards
What does the term “light tactical fixed wing” mean according to the 13-217
any A/C smaller than a C-130 (i.e. C-145, PC-12, C-146)
What are the RWY dimensions for a C-145
1500’ x 30’
What are the RWY dimensions for a C-146
2000’ x 35’
What are the RWY dimensions for a PC-12
2000’ x 30’
What is the width of the A/B zones for a C-145
30’7” (3’) / 7’3” (5’)
What is the width of the A/B zones for a C-146
28’11” (3’) / 6’11” (5’)
What is the width of the A/B zones for a PC-12
19’3” (4’) / 5’4” (5’)
What is the military designation for a C-145
M-28
What is the military designation for a PC-12
U-28
What is the overrun length for LTFW A/C
100’
What is the clear zone length for LTFW A/C
100’
What is the longitudinal grade criteria for LTFW A/C
C-145: max 6%
C-146: max 2%
PC-12: max 4%
(1.5% per 200’)
What is the transverse grade criteria for LTFW A/C
C-145: 0% min to 4% max
C-146: 0% min to 3% max
PC-12: 0% min to 3% max
What is the obstacle criteria for LTFW clear zones
Rocks 8” in diameter and larger should be removed and vegetation cut to 2’. Tree stumps should be cut flush with the ground.
What is the glide slope ratio for LTFW A/C
C-145: 8:1
C-146: 35:1
PC-12: 35:1
What are the approach zone dimensions for LTFW A/C
800’W x 6000’L
Can overruns be excluded for LTFW A/C
Overruns may be excluded if space is not available. If there is only room for one, then the approach overrun should be used. Do not count overrun length when calculating useable LZ length
What is the turning radius for LTFW A/C
C-145: 18’9”
C-146: 47’6”
PC-12: 16’6”
(star turns required if minimum width is not met)
What is the apron parking setback distance for LTFW A/C
C-145: 63’
C-146: 61’
PC-12: 50’
What is the minimum TXY width for LTFW A/C
C-145: 18’
C-146: 22’
PC-12: 22’
What is the RWY to TXY offset distance for LTFW A/C
C-145: 101’
C-146: 97’8”
PC-12: 74’
How is Zone A measured
Zone A is measured from the edge of the useable area to include the ends of the overrun/runway/ taxiway/apron
How is Zone B measured
Zone B is measured from the outside edge of Zone A.
What two regions are part of LTFW approach zones
Controlling and reportable region
How is the glide slope measured on LTFW landing zones
Measured from the end of the clear zone to the obstacle in the Approach Zone that drives the steepest GSR. If necessary, determine GSR based on obstacles only in the Controlling Region. In these cases, the survey must clearly state the GSR does not account for obstacles in the Reportable Region of the Approach Zone. When obstacles in the Reportable Region are excluded from GSR calculations, aircraft must remain within the lateral bounds of the Controlling Region during approach to the LZ