8.4 Low Visibility Operations

Question 1

LVTO Operations

Answer 1

• Down to 550m normal operation,
• Below 550m LVTO operations,
• Operaions at 400m or less requires specific approval

Question 2

Requied T/O RVR Provides:

Answer 2

In the event of a EO at any point during takeoff:
- Stop or,
- Continue to 1500FT AAL while clearing obstacles

Question 3

T/O RVR Requirements Below 400m

Answer 3

• 300m (day): RCLM & REDL,
• 300m (night): RCLM & REDL & REND or RCLL,
• 150m: RCLM & RENL & REDL & RCLL,
• 125m: RCLM & RENL & REDL (60m) & RCLL (15m),
• Initial RVR can be replaced by pilot assessment,
• RVRs should be achieved for whole ASD
• For 125m 90m visual segment required from cockpit (7 RCLL or 6 intervals)

Question 4

AFM Lowest DH Limit For CAT III

Answer 4

Below 100FT but not less than 50FT

Question 5

CAT II / III Visual Aid Requirements

Answer 5

• CAT II / IIIApproach Lights,
• Standard RWY Markings,
• CAT II / III RWY Lights

Question 6

RYR LVO Approvals

Answer 6

CAT III:
- DH: 50FT,
- RVR: 200m,
- Rollout Control: Not required

CAT II:
- DH: 100FT,
- RVR: 300m

LVTO:
- RVR 125m

Question 7

Failed or Downgraded Equipment Effects

Answer 7

• RVR Equipment: CAT III / II One must be available if 2 or more present,
• Approach Lights: CAT III / Not allowed if DH > 50FT, CAT II / Not allowed (if all or last 210m U/S),
• STBY PWR Switch Time: CAT III / II RVR 550m,
• REDL: CAT III / RVR 550m at night, CAT II / Not allowed at night,
• RTHL: CAT III / RVR 550m at night, CAT II / Not allowed at night,
• RENL: No effect if RCLL servicable,
• RCLL: CAT III / RVR Day 300m Night 400m, CAT II / RVR Day 350m Night 550m,
• TDZL: CAT III / II RVR Day 300m Night 550m

Question 8

Anemometer Failure/Downgrade

Answer 8

• Captain only landing at night,
• PM monitors ND wind presentation

Question 9

Successful Approach and Landing Criteria

Answer 9

Approach:
- From 500FT AAL to FLARE: Speed maintainted within 5KT (disregard fluctuations) and no system failure,
- From 300FT to DH: No excess deviation and centralised (including aural) warning

Landing:
- No relevant system or FLARE failure,
- Longitudinal touchdown between 150-750 (900m),
- Latertal touchdown with outboard landing gear within TDZ edge,
- Sink rate not excessive,
- Bank angle within limit

Question 10

Visual Reference at DH

Answer 10

• At least 3 consecutive lights (RCLL, APL, TDZL, REDL or combination of these),
• Lateral element of ground pattern (APL Xbar, LDG Threshold, TDZL Barrette)

Question 11

Height Callouts Requirement

Answer 11

Below 200FT shall be determined by RA

Question 12

RYR LVO Aerodrome Requirement

Answer 12

Aerodrome shall only be used for LVO when Visibility < 800m:
- Aerodrome approved by its State,
- Low Visibility Procedures (LVP) have been established,
- If LVP term not used, equivalent procedures must stated in the Navblue charts

Question 13

Practice CAT II / III

Answer 13

• Permitted to unprotected RWYs,
• Visibility 1500m or more, Ceiling 500FT or more including night

Question 14

LVO Qualification Requirement

Answer 14

• Initially 3 Practice APP/LDG must be done during LIFUS,
• After that will require the supervision of Line Training Captain or TRE

Question 15

ILS Suspected Spurious Interference

Answer 15

I made a go-around because of that:
- Inform CC to ensure all PEDs OFF,
- Entry to Technical Log,
- Submit ASR

Question 16

LVO Recent Experience

Answer 16

Should make at least 2 approaches within OPC or LPC period

Question 17

LVO Approach Wind Limits

Answer 17

• Headwind: 25KT,
• XWind: 20KT,
• Tailwind: 10KT
• No reported WS

Question 18

LVO Approach Other RVR Limits

Answer 18

• Mid-point: 125m,
• Stop-end: 75m

Question 19

LVO Latest G/S Height

Answer 19

1500FT AAL approved by IAA

Question 20

CAT I & LVO APL Differences

Answer 20

• Inner 300m supplemented with red barrettes,
• Lateral dimension of barrettes are same as TDZL,
• Full width green bar present at the threshold,
• Stop-end: Alternative red/white starts at 900m and all red starts at 300m