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Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012

Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

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Page 1: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

ICAO/FAA Airport Certification

Workshop for the Caribbean Region

Sint Maarten June11-15, 2012

Page 2: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

INTRODUCTION General overview of the Obstacle

Limitation Surfaces

The relationships of these standards to daily airport operations

Page 3: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBJECTIVE

Describe Key Obstacle Limitations surfaces

Identify the criteria for inspecting Obstacle Limitation surfaces

Page 4: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Defines “Obstruction to Air Navigation.”

Defines “Imaginary Surfaces.”

Requires notice to AIS

Page 5: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Assumes that the aircraft is operating normally

Provides volumes of airspace around and above an airport for an aircraft in normal flight

Page 6: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Obstacle: All fixed (temporary or permanent) and mobile objects or parts thereof that are located on an area intended for the surface movement of aircraft or that extend above a defined surface intended to protect aircraft in fight

Page 7: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Certificate holder shall give AIS and

shall arrange for ATC and the Flight Operations unit to receive immediate notice detailing any projection into the Obstacle Limitation Surfaces

Page 8: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Certificate holder shall remove from

the airdrome any vehicle or other obstruction that is likely to be a hazard

Page 9: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

A certificate holder can consist of: A single city A single county Multiple cities, and Multiple counties Airport authority

Page 10: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Within its authority includes Other land owned by the certificate holder

golf courses city parks land fills aviation easements

Within other cities or counties if jointly owned

Page 11: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Eight Obstacle Limitation Surfaces: • Conical Surface • Inner Horizontal Surface • Approach Surface • Inner Approach Surface • Transitional Surface • Inner Transitional Surface • Balked Landing Surface • Take-off Climb

Page 12: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

For the purposes of this presentation, we will only address: • Conical Surface • Inner Horizontal Surface • Approach Surface • Inner Approach Surface • Transitional Surface

Page 13: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

T-13-OBS

OBSTACLE LIMITATION SURFACES

Page 14: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

T-14-OBS

OBSTACLE LIMITATION SURFACES

Page 15: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION
Page 16: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces

Approach Surface: PIR Codes II or III – Length Inner Edge 150-300 m – Distance from Threshold 60 m

PIR Slope: 2.5% to 2 % 50:1 Length: 3000 m Elevation equal to mid point of runway

STRIP

Transitional Surface

Apch Surface Apch Surface Approach Approach

Inner edge

Distance from Threshold

Page 17: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation SURFACES

Inner Approach - A rectangular portion of the approach: – Inner edge coincident with inner edge of approach – Distance from threshold 60 m – Length 900 m – Slope 2.5% to 2%

Transitional Surface

Apch Surface Apch Surface Approach Inner Approach

Page 18: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation SURFACES

Transitional Surface - A surface along side of the strip and part of the side of the approach

Lower edge along the side of the approach along the length of the strip Elevation lower edge - equal to side of approach and equal to the

nearest point of the center of the runway or its extension Slope 14.3%

Transitional Surface

Apch Surface Apch Surface Approach Approach

Lower edge

Strip

Page 19: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Obstacle Limitation Surfaces Inner Horizontal Surface

45 m

STRIP

R/W

TRANSITIONAL

Page 20: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

COMMON IMPACTS TO OBSTACLE LIMITATION

SURFACES

STRIP

RUNWAY END

60 m

Page 21: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

COMMON IMPACTS TO OBSTACLE LIMITATION

SURFACES

STRIP

RUNWAY END

60 m

Page 22: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

COMMON IMPACTS TO OBSTACLE LIMITATION

SURFACES

SIDE EDGE OF STRIP

RUNWAY EDGE

Page 23: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTACLE LIMITATION SURFACES

Transitional Surface

Slope 14.3% Inner Horizontal Surface 45 m

STRIP Runway INNER APPROACH

APPROACH APPROACH

Page 24: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTACLE LIMITATIONS SURFACES

Use hand tools to estimate surface penetrations. i.e. hand level, clinometer, maps, approach slope surface guide, compass, measuring devices, etc.

If necessary, require survey by AO

Check marking and lighting condition

Page 25: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Hand-held tools used to measure the value of a slope

25

CLINOMETER

Page 26: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Instructor demonstration

26

CLINOMETER

Page 27: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTACLE LIMITATIONS SURFACES

Check AO’s system for obstruction reporting and airspace study compliance Ensure all lighted or marked

obstructions ARE in ACM

Page 28: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

The AIS The Obstacle data sheet The ACM Copy of the airport publications Clinometer Measuring wheel Approach Surface Sighting Guide

INFORMATION TOOLS AND EQUIPMENT

Page 29: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTRACLE EVALUATION

T-29-OBS

Centerline extended

Distance from runway end Height above Threshold

Distance from centerline

Pilots left

Pilots right

60 m ?

5 %

2%

Page 30: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTRACLE EVALUATION

T-30-OBS

Runway

STRIP

60-m

Close In Obstruction

Tree

Fence

APPROACH

Page 31: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

OBSTRACLE EVALUATION

T-31-OBS

60 m

Close in obstruction APPROACH

Page 32: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Use a hand-held clinometer to estimate slopes and possible penetrations

If an object is suspected of being an obstruction

32

ACSI TECHNIQUES

Tell the certificate holder to survey the object

Have the certificate holder issue the proper notices

Include suspicion in the inspection report to initiate an aeronautical study

Notify the airport that the object might need to be lighted, marked or removed

Page 33: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

Verify that required obstruction lighting and/or marking is in accordance with standards

Ensure that all locations of marked and/or lighted obstructions are in the ACM

Ensure that the airport has a system for

33

ACSI TECHNIQUES

Reporting objects as required

Assuring compliance with aeronautical studies

Page 34: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

REFERENCE MATERIAL

Annex 14 Volume 1 Aerodrome Design and Operations

DOC 9774 Manual on Certification of Aerodromes

Page 35: Obstacle Limitation Surfaces · Obstacle Limitation Surfaces ICAO/FAA Airport Certification Workshop for the Caribbean Region Sint Maarten June11-15, 2012 . INTRODUCTION

QUESTIONS?