741
Federal Aviation Administration, DOT
Pt.33, App. D
N
OTE
: Source of data—Results of the Aerospace Industries
Association (AIA Propulsion Committee (PC) Study, Project
PC 338–1, June 1990.
T
ABLE
B3—C
ERTIFICATION
S
TANDARD
A
TMOS
-
PHERIC
R
AIN
D
ROPLET
S
IZE
D
ISTRIBUTION
Rain droplet diameter (mm)
Contribution total RWC (%)
0–0.49 ........................................
0
0.50–0.99 ...................................
2.25
1.00–1.49 ...................................
8.75
1.50–1.99 ...................................
16.25
2.00–2.49 ...................................
19.00
2.50–2.99 ...................................
17.75
3.00–3.49 ...................................
13.50
3.50–3.99 ...................................
9.50
4.00–4.49 ...................................
6.00
4.50–4.99 ...................................
3.00
5.00–5.49 ...................................
2.00
5.50–5.99 ...................................
1.25
6.00–6.49 ...................................
0.50
6.50–7.00 ...................................
0.25
Total ............................
100.00
Median diameter of rain droplets in 2.66 mm
N
OTE
: Source of data—Results of the Aerospace Industries
Association (AIA Propulsion Committee (PC) Study, Project
PC 338–1, June 1990.
T
ABLE
B4—C
ERTIFICATION
S
TANDARD
A
TMOSPHERIC
H
AIL
S
IZE
D
ISTRIBUTION
Hail diameter (mm)
Contribution total HWC (%)
0–4.9 ..........................................
0
5.0–9.9 .......................................
17.00
10.0–14.9 ...................................
25.00
15.0–19.9 ...................................
22.50
20.0–24.9 ...................................
16.00
25.0–29.9 ...................................
9.75
30.0–34.9 ...................................
4.75
35.0–39.9 ...................................
2.50
40.0–44.9 ...................................
1.50
45.0–49.9 ...................................
0.75
50.0–55.0 ...................................
0.25
Total ............................
100.00
Median diameter of hail is 16 mm
N
OTE
: Source of data—Results of the Aerospace Industries
Association (AIA Propulsion Committee (PC) Study, Project
PC 338–1, June 1990.
[Doc. No. 28652, 63 FR 14799, Mar. 26, 1998]
A
PPENDIX
C
TO
P
ART
33 [R
ESERVED
]
A
PPENDIX
D
TO
P
ART
33—M
IXED
P
HASE
AND
I
CE
C
RYSTAL
I
CING
E
NVELOPE
(D
EEP
C
ONVECTIVE
C
LOUDS
)
The ice crystal icing envelope is depicted
in Figure D1 of this Appendix.
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