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Presented to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM) and Field Condition Reporting Advanced ASOS Steven Oetzell October 18, 2016

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Page 1: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Presented to:

By:

Date:

Federal AviationAdministration

Federal AviationAdministration

Introduction to Runway Condition Assessment Matrix (RCAM) and Field Condition Reporting

Advanced ASOS

Steven OetzellOctober 18, 2016

Page 2: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Takeoff And Landing Performance Assessment(TALPA)

• Background: • Catalyst was a fatal excursion at Midway Airport - Dec 2005. • Need to develop adequate guidance for addressing operation on

contaminated runways with dissemination of “real time” runway condition information in a less subjective format.

• Runway Condition Assessment Matrix (RCAM) is the result• RCAM ties type of contaminants to specific aircraft manufacturers braking

performance data.• Standardizes method for determining and reporting surface conditions and

harmonizes with ICAO standards, Annex 14.

Page 3: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

FAA Advisory Circular 150/5200-30D, Airport Field Condition Assessments and Winter Operations Safety

• Effective Date: July 29, 2016• Replaces: AC 150/5200-30C, Airport Winter Safety

and Operations• Purpose:Provides guidance to assist airport

operators in revising a snow and ice control plan (due September 1, 2016) and assessing and reporting airport conditions through the utilization of the Runway Condition Assessment Matrix (RCAM) (beginning October 1, 2016).

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Page 4: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Principal Changes• Introduces RCAM and procedures for its use and application.• Defines vehicle and pilot reported braking action and updates

terminology: Good, Good-to-Medium, Medium (previously known as Fair), Medium-to-Poor, Poor, and Nil.

• Adds “conditions not monitored” information for airport operators to use when the airport is not monitored due to operations hours or staffing.

• Adds new acronym “RwyCC” for Runway Condition Code.• Removes the capability to report friction (Mu) values (replaced by

RwyCCs).• Introduces percentage based contaminant reporting by runway

thirds.• A runway is considered contaminated when more than 25% of the

overall runway length and width is covered by frost, ice, snow, slush or water.

• Adds definitions of contaminants.

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Page 5: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

• SICP revisions can follow change template released by Office of Airports with AC150/5200-30D

• Current way airport operators accomplish assessment has not changed.

– Decelerometer and CFME data should only be used under certain contaminate conditions (see 5.1.4 of AC 150/5200-30D)

• SICP surface snow clearing procedures have not changed • Reporting DOES change• Reporting RwyCCs replaces reporting “Mu” numbers

– Mu still useable for actions associated with trends on taxiway(s), aprons, holding bays, etc.

– Mu remains a tool in the tool box for upgrading/downgrading RwyCCs– DO NOT attempt to correlate Mu readings with Good/Medium, Poor or Nil terms.

• Primary changes are on reporting contaminant information through the Federal NOTAM System

- Via NOTAM Manager, ENII, and Flight Service Stations

Guidance Information: Snow & Ice Control Plans (SICP)

Page 6: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Reporting Airport Condition Information• Runway Condition Codes are disseminated via one

or more of the following methods:

– Federal NOTAM System (FNS), preferably through NOTAM Manager (direct-entry system) or ENII (direct-entry but lacks some inputs that NOTAM Manager has).

– Airport Traffic Control Facility (corresponding Tower, Center, Tracon, etc.);

– Flight Service Station (FSS) (as applicable); and– Directly from airport operator via Common Traffic Advisory

Frequency (as applicable).

Page 7: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

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Runway

Condition

Assessment

Matrix

Page 8: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Example NOTAMs

• Old Format: !MCI MCI RWY 9/27 PATCHY THIN SLUSH

• New format: !MCI MCI RWY 9 20% 1/8 INCH SLUSHTranslation: MCI Runway 9 is 20% covered with 1/8 inch of slush

• Old Format: !MKC MKC RWY 1/19 ½ INCH WET SNOW

• New format: !MKC MKC RWY 19 5/5/3 70% 1/8 INCH WET SNOW, 70% 1/8 INCH WET SNOW, 90% ½ INCH WET SNOWTranslation: MKC Runway 19 runway condition code of 5/5/3, Touchdown and Midpoint runway thirds are 70% covered with 1/8 inch of wet snow; the Rollout third is 90% covered with ½ inch wet snow.

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Page 9: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

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Slippery When Wet

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Page 10: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Downgrading• Downgrading a RwyCC allowable by using Mu readings from friction measuring

equipment• Use criteria in grey columns of RCAM

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Upgrading• Upgrading a RwyCC allowable but no higher than 3 for each 1/3 of the runway if the

Mu value for that 1/3 is 40 or greater.

• This ability to raise the reported RwyCC to a code 1, 2, or 3 can only be applied to those runway conditions listed under codes 0 and 1 in the matrix.

• Do not upgrade on Mu readings alone. Use all other observations (vehicle deceleration/control and pilot BA reports) and judgment to support upgrade in RwyCC..

• Airport must continuously monitor an upgraded RwyCC to ensure that it has not deteriorated below the assigned code.

Page 11: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Conditions Not Monitored NOTAMS

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When it is determined that no surface condition reports will be taken for longer then a 24-hour period, issue a single NOTAM (Keyword AD) for the entire time-period. Use the phrase “SFC CONDITIONS NOT REPORTED”, as this differs from Conditions Not Monitored.

Page 12: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

Misc.

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• A RwyCC of “0” denotes minimal or non-existent braking deceleration, which the FAA has determined to be an unsafe condition. The NOTAM system does not accept “0” for RwyCC and, if attempted, prompts the airport operator to close the surface and perform mitigating actions until the unsafe condition no longer exists.• RwyCCs will not be generated if less than 25% of

runway is not contaminated

• Ash, oil, sand, and rubber do not generate a RwyCC.

• A measured depth of mud must be reported.

Page 13: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

Federal AviationAdministration

CertAlert No. 16-06• Issued September 30, 2016• Applicable to all Title 14 CFR Part 139 Airport Operators• Guidance Change: The FAA will change Advisory Circular 150/5200-

30D, Airport Field Condition Assessments and Winter Operations Safety, to remove the current requirement to report runway “wet” conditions (1/8th inch or less of water) when it is the only contaminant present. Instead, because of the impact on performance of some aircraft, the FAA will highly encourage airports to report “wet” conditions (1/8th inch or less of water) when it is the only condition present on the runway.

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AC 150/5200-28E, Notices to Airmen (NOTAMS) for Airport Operators

Related Guidance

Page 14: Introduction to Runway Matrix (RCAM) and Field to: By: Date: Federal Aviation Administration Federal Aviation Administration Introduction to Runway Condition Assessment Matrix (RCAM)

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Questions?

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