Chapter 

Section 

Subject 

List of Effective 

Pages 

Table of Contents 

04-00-00 

"5PILATUS:r' 

PC-6 

MAINTENANCE MANUAL 

CHAPTER 04- AIRWORTHINESS LIMITATIONS 

LIST OF EFFECTIVE PAGES 

Pages Date 

1 Jul 31/12 

2 Jul 31/12 

1 Feb 28/10 

2 Feb 28110 

1 Jul31/12 

2 Jul31/12 

3 Jul31112 

4 Jul31/12 

5 Jul31/12 

6 Jul 31/12 

04-LEP Page 1 

Jul31/12 
"eP LATUS~ 

PC-6 

MAINTENANCE MANUAL 

INTENTIONALLY BLANK 

04-LEP Page2 

Jul 31/12 
Subject 

'$PILATUS: 

PC-6 

MAINTENANCE MANUAL 

CHAPTER 04- AIRWORTHINESS LIMITATIONS 

TABLE OF CONTENTS 

Chapter 

Section 

Subject 

AIRWORTHINESS LIMITATIONS 04-00-00 

General 

Mandatory Structural Inspections 

Life Limited Items 

04-TOC 

Page 

1 

1 

4 

Effectivity 

All 

All 

All 

Page 1 

Feb 28/10 
.. PILATUS&" 

PC-6 

MAINTENANCE MANUAL 

INTENTIONALLY BLANK 

04-TOC Page2 Feb 28/10 
1. General 

'"SPILATUS~ 

PC-6 

MAINTENANCE MANUAL 

AIRWORTHINESS LIMITATIONS 

The Airworthiness Limitations section is EASA approved and variations must also be approved. 

The Airworthiness limitations section is also FAA approved for US registered aircraft in accordance 

with FAR 21 .29. 

The Airworthiness Limitations section is FAA approved and specifies maintenance required under 14 

CFR 43.16 and 91.403 unless an alternate program has been FAA approved. 

On any PC-6, do not install the following parts: 

Mechanical stabilizer trim system: 

Connecting pieces 6232.0026.XX manufactured by Fairchild. The Fairchild part has a rivet in the center 

that is not on the Pilatus part (refer also to SB 53-001. Rev. 1 ). 

Electrical stabilizer trim system: 

Fitting 116.40.06.033 without index after part number (refer also to SB 53-001, Rev. 1 ). 

2. Mandatory Structural Inspections 

Item 

Chapter 27 - Flight Controls 

Aileron, Rudder, Elevator and Flap 

Bellcranks and Levers 

Aileron Trim Screw-Actuator 

(Mechanical System) 

Chapter 53 • Fuselage 

Stabilizer Trim Attachment Components, 

FR12A 

FR12A 

Fuselage- Wing-Strut Attachment-Brackets 

Chapter 55 - S1abilizers 

Trim Actuator Attachment 

EFFECTIVITY: All 

Maintenance Requirement Interval 

Examine 7000 flying hours or 14 years 

(Non Destructive Inspection, (whichever comes first) 

see NOTES F and G below) 

Check for backlash. The 3500 flying hours or 7 years 

maximum permitted (whichever comes first) 

backlash is 

0.3 mm (0.012 in.) 

Examine 3500 flying hours or 7 years 

(Ref. 53-30-00. Page Block (whichever comes first) 

601) See NOTE C below 

Examine 3500 flying hours or 7 years 

(Ref. 53-30-00. Page Block (whichever comes first) 

601) See NOTE C below 

Examine 3500 flying hours or 7 years 

(Non Destructive Inspection, (whichever comes first) 

see NOTES F and G below) 

Examine 3500 flying hours or 7 years 

(Ref. 55-11-11, Page Block (whichever comes first) 

601) See NOTE C below 

04-00-00 Page 1 

Ju131/12 
;!IPILATUS!!!F 

PC-6 

MAINTENANCE MANUAL 

Item Maintenance Requirement Interval 

Chapter 57 - Wings 

Left and Right Wing-Strut Fitting (All PINs) Examine Aircraft registered in the USA: 

(Ref. 57-00-02, Page Block 3 months 

601 - Check 1 - Visual 

Inspection) All other aircraft (not operating 

in the USA): 

3 months (See NOTE 1) 

6 months (See NOTE 2) 

12 months (See NOTE 3) 

NOTE 1: For aircraft that 

operate in a severe Corrosion 

Severity Zone (Ref. AMM, 20-

40-00, Page Block 1) 

NOTE 2: For aircraft that 

operate in a moderate Corrosion 

Severity Zone (Ref. AMM, 20-

40-00, Page Block 1) 

NOTE 3: For aircraft that 

operate in a mild Corrosion 

Severity Zone (Ref. AMM, 20-

40-00, Page Block 1) 

See NOTE D below 

Left Wing-Strut Fitting (PIN 6102.0041 .00, Examine 1100 flying hours 

111.35.06.055,111.35.06.184 or (Ref. 57-00-02, Page Block or 12 months (whichever comes 

111 .35.06.185) 601 - Cheek 2- Eddy Current first) 

Inspection, see NOTE G See NOTE D below 

below) 

Right Wing-Strut Fitting (PIN 6102.0041.00, Examine 1100 flying hours 

111 .35.06.056, 111 .35.06.184 or (Ref. 57-00-02, Page Block or 12 months (whichever comes 

111.35.06.186) 601 - Cheek 2-Eddy Current first) 

Inspection. see NOTE G See NOTE D below 

below) 

Left Wing-Strut Fitting (PIN 111.35.06.193 Examine 12 months 

or 111 .35.06.195} (Ref. 57-00-02. Page Block See NOTE D below 

601 - Cheek 2-Eddy Current 

Inspection, see NOTE G 

below) 

Right Wing-Strut Fitting (PIN 111.35.06.194 Examine 12 months 

or 111 .35.06.195) (Ref. 57-00-02, Page BloCk See NOTE D below 

601 - Check 2 - Eddy Current 

Inspection, see NOTE G 

below) 

EFFECTIVITY: All 

04-00-00 Page2 Jul31/12 
~PILATUS5" 

PC-6 

MAINTENANCE MANUAL 

Item Maintenance Requirement Interval 

Wing- Fuselage Attachments Examine 7000 flying hours or 14 years 

(Non Destructive Inspection, (whichever comes first) 

see NOTES F and G below) 

Aileron/Flap Support-Brackets Examine 7000 flying hours or 14 years 

(Ref. 57-26-01 , Page Block (whichever comes first) 

601 - Non Destructive 

Inspection, see NOTES F 

and G below) 

NOTE A: Refer to the appropriate engine and propeller maintenance manuals for the applicable 

airworthiness limitations. 

NOTE 8 : If any of the above maintenance tasks were accomplished in accordance with an earlier 

revision of this AMM, the relevant interval starts from that date. except for items with NOTES C 

or D. 

NOTE C: If the maintenance requirement of this task was accomplished as part of SB 53-001 or 

superordinate ADs, the interval starts from that date. 

NOTE 0 : If the maintenance requirement of this task was accomplished as part of SB 57-005 or 

superordinate ADs, the interval starts from that date. 

NOTE E: Any maintenance task listed above for which NOTES B. C or D do not apply must be 

accomplished within 12 months from the effective date of this revision. 

NOTE F: You can do a Fluorescent Dye Penetrant Inspection or an Eddy Current Inspection. 

NOTE G: Only persons qualified and certified to NDT Level II (or higher) National Aerospace Standard 

NAS 410, European Standard EN 4179, or any other equivalent standards. shall do an Eddy 

Current Inspection. 

Pilatus recommend that persons qualified and certified to NDT Level II (or higher) National 

Aerospace Standard NAS 410, European Standard EN 4179, or any other equivalent 

standards, do a Fluorescent Dye Penetrant Inspection. 

EFFECTIVITY: All 

04-00-00 Page 3 

Ju131/12 
'ePILATUS;:;' 

PC-6 

MAINTENANCE MANUAL 

3. Life Limited Items 

Item 

Chapter 27 - Flight Controls 

Flight Control Chains 

(Mechanical Trim and Flaps) 

Aileron Attachment Bolts 

Elevator Attachment Bolts 

Rudder Attachment Bolts 

Flap Attachment Bolts 

Horizontal-Stabilizer Attachment-Bolts 

Stabilizer Trim Actuator (Mechanical Trim) 

Stabilizer Trim Actuator (Electrical Trim) 

Flap Actuator (Electrical System) 

All models except PINs 978.73.14.101 and 

978.73.14.103 (listed below) 

Flap Actuator (Electrical System) 

(Electro-Metal Type 55.1-1100, 

PIN 978.73.14.101) 

Flap Actuator (Electrical System) 

(Electro-Metal Type 55.1-1100, Arndt. 2 

PIN 978.73.14.103) 

Flap Actuator Jacks (Mechanical System) 

Chapter 32 - Landing Gear 

Main-Gear Shock-Strut Attachment-Bolts 

Tail-Gear Attachment-Bolts 

EFFECTIVITY: All 

Maintenance Requirement Interval 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Replace (discard) 7000 flying hours or 14 

years (whichever comes 

first) 

Overhaul 3500 flying hours 

Overhaul 3500 flying hours 

Overhaul 3500 flying hours or 7 years 

(whichever comes first) 

Overhaul 3000 landings 

Overhaul 5000 landings or 7 years 

(whichever comes first) 

Overhaul 3500 flying hours 

Replace (discard) 10000 landings or 7 years 

(whichever comes first) 

Replace (discard) 10000 landings or 7 years 

(whichever comes first) 

04-00-00 Page4 Jul31/12 
Item 

Chapter 35 - Oxygen 

Oxygen Cylinder (if installed) 

Chapter 57 - Wings 

Wing Attachment Bolts 

Wing-Strut Attachment-Bolts 

Chapter 77 - Engine Indicating 

Low Pitch Warning-Switch 

'5 PILAT US 5iiF' 

PC-6 

MAINTENANCE MANUAL 

Maintenance Requirement 

Overhaul and send to an 

authorized facility for hydrostatic 

test 

Replace (discard) 

Replace (discard) 

Replace (discard) 

Approved by: Carl Thomas 

EUROPEAN AVIATION SAFElY AGENCY (EASA) 

EASA Approval No: 10040713 

Approval Signature: Signed original held on file at Pilatus Aircraft Ltd. Stans 

Approval Date: 25th July 2012 

EFFECTIVIlY: All 

Interval 

5 years 

7000 flying hours or 14 

years (whichever comes 

first) 

7000 flying hours or 14 

years (whichever comes 

first} 

3500 flying hours 

04-00-00 PageS 

Jul31/12 
SPILATUS: 

PC-6 

MAINTENANCE MANUAL 

INTENTIONALLY BLANK 

EFFECTIVITY: All 

04-00-00 Page6 

Jul 31/12