Robinson R66 - Skid-Mounted Mirrors

25-79 Skid-Mounted Mirrors
A. Removal
1. Remove bolt and lock washer securing 97819 mirror to G138 strap & remove mirror.
2. As required, remove screws securing G138 support to skid tube & remove support.
3. Configure helicopter for flight with skid-mounted mirrors removed per Part D as
required.
B. Installation
1. If removed, install screws securing G138 support to skid tube. Verify security.
2. Install bolt and (new) lock washer securing 97819 mirror to G138 strap. Special
torque bolt to 150 in.-lb and torque stripe per Figure 5-1.
3. Configure helicopter for flight with skid-mounted mirrors installed per Part D as
required.
C. Scheduled Inspections
Every 100 hour/annual inspection: Inspect straps for security and any evidence of
cracking or corrosion. Inspect mirrors for cracks, cleanliness, and clarity.
D. Configurations for Flight
1. Configuration for flight with skid-mounted mirror(s) removed
a. Remove skid-mounted mirror(s), including G138 support(s) per Part A.
b. Reinstall screws in skid tube(s) to prevent debris and moisture from entering
tube(s).
c. Revise Weight and Balance Record in R66 Pilot’s Operating Handbook (POH)
Section 6 to incorporate the following data:
Right Skid-Mounted Mirror Subtract:
Weight Long. Arm Long. Moment Lat. Arm Lat. Moment
0.80 lb 32.00 in. 25.60 in.-lb 41.00 in. 32.80 in.-lb
Left Skid-Mounted Mirror Subtract:
Weight Long. Arm Long. Moment Lat. Arm Lat. Moment
0.80 lb 32.00 in. 25.60 in.-lb –41.00 in. –32.80 in.-lb
Page 25.30 Chapter 25 Furnishings APR 2019