Limitations

Question 1

The ATR 42/72-500 are certified for:

Answer 1

• VFR and IFR
• flight in icing conditions
• Reverse thrust taxi !!!one engine reverse taxi is FORBIDDEN!!!

Question 2

Friction coefficient……Braking action……Maximum crosswind

Answer 2

0.4 and above…Good(95)…30 Kts
0.39-0.36…Good/Medium(94)…28 Kts
0.35-0.30…Medium(93)…20 Kts
0.29-0.25….Medium/Poor(92)…15 kts
0.25…Poor(91)…5 Kts
Below 0.25…Unreliable(99)…No T/O or Landing

Question 3

Runway condition:

Answer 3

1 - Dry runway
2 - Wet up to 3mm depth
3 (TO only) - Slush or water from 3 to 6 mm depth
4 (TO only) - Slush or water from 6 to 12 mm depth
5 - Slush or water from 3 to 12.7 mm depth
6 - Compacted snow
7 - Ice
!!! Tail wind landings on contaminated runways with BA less than 93 shall be limited to not more than 10 Kts !!!

Question 4

Wind limits In Low Visibility Operations - TAKEOFF

Answer 4

TAKEOFF RVR under 400m

• Tailwind…10 KT
• Crosswind…15 KT
• Headwind…30 KT

Question 5

Wind limits In Low Visibility Operations - LANDING CAT II

Answer 5

LANDING CAT II

• Tailwind…10 KT (ATR 42) — 10 KT (ATR 72)
• Crosswind…15 KT (ATR 42) — 15 KT (ATR 72)
• Headwind…15 KT (ATR 42) — 30 KT (ATR 72)