54826 Federal Register / Vol. 64, No. 195 / Friday, October 8, 1999 / Proposed Rules obtained from the Small Airplane FAA, Small Airplane Directorate, 1201 airspeed inappropriate for the icing Directorate. Walnut, suite 900, Kansas City, Missouri conditions in which the airplane was (e) Information related to this AD may be 64106; telephone: (816) 426–6932; flying, resulted in loss of control that examined at the FAA, Central Region, Office facsimile: (816) 426–2169. was not corrected before the airplane of the Regional Counsel, Room 1558, 601 E. SUPPLEMENTARY INFORMATION: impacted the ground. The NTSB also 12th Street, Kansas City, Missouri 64106. concluded that the flight crew did not Issued in Kansas City, Missouri, on Comments Invited activate the wing and tail pneumatic October 4, 1999. Interested persons are invited to deicing boots. An NTSB Michael Gallagher, participate in the making of the recommendation related to this accident Manager, Small Airplane Directorate, proposed rule by submitting such requested that the FAA mandate that Certification Service. written data, views, or arguments as pneumatic deicing boots be turned on as [FR Doc. 99–26403 Filed 10–7–99; 8:45 am] they may desire. Communications soon as the airplane enters icing BILLING CODE 4910±13±U should identify the Rules Docket conditions. number and be submitted in triplicate to The FAA has reviewed the icing- the address specified above. All related incident history of certain DEPARTMENT OF TRANSPORTATION communications received on or before airplanes, and has determined that icing incidents may have occurred because Federal Aviation Administration the closing date for comments, specified above, will be considered before taking pneumatic deicing boots were not 14 CFR Part 39 action on the proposed rule. The activated at the first evidence of ice proposals contained in this notice may accretion. As a result, the handling [Docket No. 99±CE±41±AD] be changed in light of the comments qualities or the controllability of the RIN 2120±AA64 received. airplane may have been reduced due to Comments are specifically invited on the accumulated ice. That factor was Airworthiness Directives; Harbin the overall regulatory, economic, present in the accident discussed Aircraft Manufacturing Corporation environmental, and energy aspects of previously and, as such, constitutes an Model Y12 IV Airplanes the proposed rule. All comments unsafe condition. submitted will be available, both before AGENCY: Federal Aviation Request for Information and after the closing date for comments, Administration, DOT. in the Rules Docket for examination by On October 1, 1998, the FAA sent ACTION: Notice of proposed rulemaking interested persons. A report that letters to certain manufacturers of (NPRM). summarizes each FAA-public contact airplanes certified in accordance with part 25 of the Federal Aviation SUMMARY: This document proposes to concerned with the substance of this Regulations (14 CFR part 25). The letters adopt a new airworthiness directive proposal will be filed in the Rules requested certain icing system design (AD) that would apply to all Harbin Docket. Aircraft Manufacturing Corporation Commenters wishing the FAA to information and operational procedures (HAMC) Model Y12 IV airplanes. The acknowledge receipt of their comments applicable to their airplanes concerning proposed AD would require revising the submitted in response to this notice flight during . The Airplane Flight Manual (AFM) to must submit a self-addressed, stamped letters also requested that manufacturers include requirements for activation of postcard on which the following provide data showing that the aircraft the pneumatic deicing boots. statement is made: ‘‘Comments to has safe operating characteristics with The proposed AD is the result of reports Docket No. 99–CE–41–AD.’’ The ice accreted on the protected surfaces of in-flight incidents and an accident postcard will be date stamped and (boots). The manufacturers were asked that occurred in icing conditions where returned to the commenter. to provide data using the following assumptions: The most adverse ice the airframe pneumatic deicing boots Availability of NPRMs were not activated. The actions accumulation possible during operation specified by the proposed AD are Any person may obtain a copy of this in the icing envelope specified in part intended to assure that flightcrews NPRM by submitting a request to the 25, Appendix C of the Federal Aviation activate the pneumatic wing and tail FAA, Central Region, Office of the Regulations (14 CFR part 25), and that deicing boots at the first signs of ice Regional Counsel, Attention: Rules recommended procedures for deicing accumulation. This action will prevent Docket No. 99–CE–41–AD, Room 1558, boot operation were used. Additionally, reduced controllability of the aircraft 601 E. 12th Street, Kansas City, Missouri the manufacturers were asked to due to adverse aerodynamic effects of 64106. provide information related to operation ice adhering to the airplane prior to the Discussion of the during icing conditions, first deicing cycle. and for information related to On January 9, 1997, an Empresa appropriate operating speeds for icing DATES: Comments must be received on Brazileira de Aeronautica, S.A. operations. or before December 1, 1999. (EMBRAER) Model EMB–120RT series No information received, as a result of ADDRESSES: Submit comments in airplane was involved in an that request, has caused the FAA to triplicate to the Federal Aviation uncommanded roll excursion and reconsider the previous conclusion that Administration (FAA), Central Region, consequent rapid descent that resulted an unsafe condition may exist. Office of the Regional Counsel, in an accident near Monroe, Michigan. Attention: Rules Docket 1No. 99–CE– The post-accident investigation Public Meeting 41–AD, Room 1558, 601 E. 12th Street, conducted by the National Subsequent to the collection of those Kansas City, Missouri 64106. Comments Transportation Safety Board (NTSB) design and operational data, the FAA may be inspected at this location concluded that the airplane had held an international conference on between 8 a.m. and 4 p.m., Monday accumulated a thin, rough layer of ice ‘‘Inflight Operations in Icing through Friday, holidays excepted. on its lifting surfaces. That Conditions’’, in Washington, DC, on FOR FURTHER INFORMATION CONTACT: Mr. accumulation of ice, in combination February 2–4, 1999. The purpose of the John P. Dow, Sr., Engineer, with the slowing of the airplane to an conference was to discuss the status of

VerDate 06-OCT-99 11:20 Oct 07, 1999 Jkt 190000 PO 00000 Frm 00033 Fmt 4702 Sfmt 4702 E:\FR\FM\08OCP1.XXX pfrm07 PsN: 08OCP1 Federal Register / Vol. 64, No. 195 / Friday, October 8, 1999 / Proposed Rules 54827 the FAA Icing Plan and other related deicing boot designs experience ice substantial quantity of ice was allowed efforts. Additionally, the conference bridging. The general consensus of the to form before the first ice shedding provided a forum for representatives of workshop participants was that ice cycle. However, the FAA does not industry to express their viewpoints on bridging is not a problem for modern concur. No data has been provided that current information related to activation pneumatic deicing boot designs due to shows that the presence of residual ice of deicing boots, minimum airspeeds, the use of higher air supply pressures, following an earlier activation of the autopilot operation in icing conditions, faster boot inflation and deflation deicing boots is more hazardous than flightcrew information needs, and cycles, and smaller boot chambers. Icing delaying cycling of the boots until the flightcrew training. Certain information wind tunnel and flight testing of these ice accretes to a larger, specific presented at that meeting is discussed in newer design features with automatic thickness. In fact, testing in icing this proposed rule in the following cycling have demonstrated successful conditions has shown that residual ice section. shedding of ice when activated at the remaining on the boots after the initial onset of ice accretion, with ice not shed boot cycle is removed during Delayed Activation of Pneumatic on the initial deicing boot cycle subsequent cycles. Deicing Boots continuing to increase in thickness and As reported during the November In accordance with manufacturer being shed during subsequent cycles. 1997 international workshop, instructions and FAA-approved airplane During the previously discussed manufacturers of a substantial flight manual (AFM) procedures, the November 1997 international workshop, percentage of the turbopropeller flightcrews of most airplanes equipped the inability of flightcrews to accurately transport fleet have reported satisfactory with pneumatic deicing boots delay the gauge wing and control surfaces ice in-flight icing operations of their initial activation of the boots until a accretion thickness before activating the products with recommended procedures certain quantity of ice has accumulated deicing boots was recognized. Also, to activate operation of the deicing boots on the protected surfaces (boots). Some increased airplane drag resulting from in the automatic mode at the onset of crews routinely wait for 1⁄4 to 1⁄2 inch of ice accretion was recognized as a airframe icing. ice to accumulate, and at least one potential contributing cause of Therefore, the FAA considers that the airplane type is routinely flown with up inadvertent airspeed loss that activation of pneumatic wing and tail to 11⁄2 inches of ice on the protected characterized most in-flight icing related deicing boots at the first signs of ice surfaces before the initial activation of accidents and incidents. Two airframe accumulation is warranted. The FAA the deicing boots. manufacturers, whose products specifically invites the submission of Ice Bridging comprise a substantial percentage of the data to substantiate that operating the turbopropeller transport fleet, reported deicing boots at the first sign of ice In the past, concern about ‘‘ice that, because of these concerns they accretions is more hazardous than bridging’’ on early pneumatic deicing recommend activating the automatic delaying boot activation until a specific boot designs resulted in the common airframe deicing system at first onset of thickness of ice has accumulated. practice of delaying activation of ice airframe icing. Those manufacturers protection. Ice bridging of pneumatic have received no reports of deicing boot Other Considerations deicing boots occurred when a thin ice bridging events for these airplanes. The FAA recognizes that there may be layer of ice is sufficiently plastic to The FAA considers that ice some phases of flight during which use deform to the shape of the inflated accumulation on protected surfaces due of the deicing boots may be deicing boot tube without being to delayed boot activation constitutes a inappropriate. For example, a deicing fractured and shed during the ensuing potential safety concern. However, the boot inflation cycle that begins tube deflation. As the deformed ice FAA recognizes that not all airplanes immediately before or during the hardens and accretes additional ice, the may be equipped with ‘‘modern’’ landing flare or the takeoff rotation may deicing boot becomes ineffective in deicing boots (as that term is used in cause unexpected loss of lift or other shedding the ‘‘sheath’’ of ice. However, this NPRM). The FAA specifically adverse aerodynamic events. This ice accumulation resulting from delayed invites the submission of comments and proposed AD explicitly does not activation may pose an unsafe condition other data regarding the effects of this supersede procedures in the AFM that due to the resultant adverse proposed AD on airplanes equipped prohibit using deicing boots for certain aerodynamic effects on the airplane’s with older pneumatic deicing boots, phases of flight (e.g., during take-off, performance or handling qualities. including arguments for the retention of final approach, and landing). In November 1997, the FAA and the existing activation delays for these The FAA specifically invites the National Aeronautics and Space older-style deicing boots. submission of comments and other data Administration (NASA) co-sponsored regarding adverse effects that may occur Residual Ice an international workshop on aircraft during specific phases of flight, deicing boot ice bridging. The objective During the February conference, the including takeoff, final approach, or of the workshop was to provide an open attendees agreed that the airplane is at landing. Any recommended speed forum for investigating the existence of risk while the airplane is accreting ice, restrictions or other operational deicing boot bridging and other and that the airplane must be procedures that would be necessary in concerns related to activating ice adequately protected to ensure that no order to mitigate any adverse protection systems at the initial adverse handling and performance aerodynamic effects of deicing boot detection of inflight icing. Sixty-seven characteristics develop. An additional inflation during critical phases of flight representatives from airframe and concern discussed at the conference was should be fully explained and deicing boot manufacturers, various the possibility that early activation of documented. airlines, the pilot community, NASA, the might degrade the National Transportation Safety the ice shedding effectiveness of the The FAA’s Determination Board, non-US civil aviation authorities, deicing boots, resulting in increased The FAA is aware that, based on and the FAA participated. At the residual ice, i.e., there would be more previous procedures provided to workshop no evidence was presented to ice fragments remaining on the deicing flightcrews of many airplanes equipped substantiate that aircraft with modern boots than would exist if a more with deicing boots, a historical

VerDate 06-OCT-99 11:20 Oct 07, 1999 Jkt 190000 PO 00000 Frm 00034 Fmt 4702 Sfmt 4702 E:\FR\FM\08OCP1.XXX pfrm07 PsN: 08OCP1 54828 Federal Register / Vol. 64, No. 195 / Friday, October 8, 1999 / Proposed Rules precedent has been set that permits Section of the AFM for all HAMC Model on airplanes that have been determined waiting to activate the deicing Y12 IV airplanes to require immediate to be subject to the same identified equipment. In light of this information activation of the ice protection systems unsafe conditions. Currently proposed and based on reports received, the FAA when any ice accumulation is detected AD’s for other airplanes that are considers that certain procedures on the airplane. equipped with pneumatic deicing boots should be included in the Limitations This proposed action is one of a address the following airplanes: number of proposed AD’s being issued

Airplane models Docket No.

Industrie Aeronautiche e Meccaniche, Model Piaggio P±180 Airplanes ...... 99±CE±34±AD Pilatus Britten-Norman Ltd., BN±2T Series Airplanes ...... 99±CE±35±AD Pilatus Aircraft Ltd., Models PC±12 and PC±12/45 Airplanes ...... 99±CE±36±AD Partenavia Costruzioni Aeronauticas, S.p.A., Models AP68TP 300 ``Spartacus'' and AP68TP 600 ``Viator'' Airplanes ...... 99±CE±37±AD Mitsubishi Heavy Industries, Ltd., MU±2B Series Airplanes ...... 99±CE±38±AD LET, a.s., Model L±420 Airplanes ...... 99±CE±39±AD British Aerospace, Jetstream Models 3101 and 3201 Airplanes ...... 99±CE±40±AD Empresa Brasileira de Aeronautica S.A. (Embraer), Models EMB±110P1 and EMB±110P2 Airplanes ...... 99±CE±42±AD Dornier Luftfahrt GmbH, 228 Series Airplanes ...... 99±CE±43±AD Bombardier Inc., DHC±6 Series Airplanes ...... 99±CE±44±AD The Cessna Aircraft Company, 208 Series Airplanes ...... 99±CE±45±AD Raytheon Aircraft Company, 90, 99, 100, 200, 300, 1900, and 2000 Series Airplanes ...... 99±CE±46±AD AeroSpace Technologies Of Australia Pty Ltd., Models N22B and N24A ...... 99±CE±47±AD Short Brothers & Harland Ltd., Models SC±7 Series 2 and SC±7 Series 3 Airplanes ...... 99±CE±48±AD The New Piper Aircraft, Inc., PA±31 Series Airplanes ...... 99±CE±49±AD SOCATAÐGroupe AEROSPATIALE, Model TBM 700 Airplanes ...... 99±CE±50±AD Twin Commander Aircraft Corporation, 600 Series Airplanes ...... 99±CE±51±AD Fairchild Aircraft Corporation, SA226 and SA227 Series Airplanes ...... 99±CE±52±AD The Cessna Aircraft Company, Models 425 and 441 Airplanes ...... 99±CE±53±AD Cessna Aircraft Company, Models 500, 550, and 560 Airplanes ...... 99±NM±136±AD Sabreliner Corporation, Models 40, 60, 70, and 80 Series Airplanes ...... 99±NM±137±AD Gulfstream Aerospace, Model G±159 Series Airplanes ...... 99±NM±138±AD McDonnell Douglas, Models DC±3 and DC±4 Series Airplanes ...... 99±NM±139±AD Mitsubishi Heavy Industries, Model YS±11 and YS±11A Series Airplanes ...... 99±NM±140±AD Frakes Aviation, Model G±73 (Mallard) and G±73T Series Airplanes ...... 99±NM±141±AD Lockheed, Models L±14 and L±18 Series Airplanes ...... 99±NM±142±AD Fairchild, Models F27 and FH227 Series Airplanes ...... 99±NM±143±AD Aerospatiale, Models ATR±42/ATR±72 Series Airplanes ...... 99±NM±144±AD Jetstream, Model BAe ATP Airplanes ...... 99±NM±145±AD Jetstream, Model 4101 Airplanes British Aerospace, Model HS 748 Series Airplanes ...... 99±NM±146±AD 99±NM±147±AD Saab, Model SF340A/SAAB 340B/SAAB 2000 Series Airplanes ...... 99±NM±148±AD CASA, Model C±212/CN±235 Series Airplanes ...... 99±NM±149±AD Dornier, Model 328±100 Series Airplanes ...... 99±NM±150±AD Lockheed, Model 1329±23 and 1329±25 (Lockheed Jetstar) Series Airplanes ...... 99±NM±151±AD de Havilland, Model DHC±7/DHC±8 Series Airplanes ...... 99±NM±152±AD Fokker, Model F27 Mark 100/200/300/400/500/600/700/050 Series Airplanes ...... 99±NM±153±AD Short Brothers, Model SD3±30/SD3±60/SD3±SHERPA Series Airplanes ...... 99±NM±154±AD

Explanation of the Provisions of the directly affected by this AD action. with § 43.9 of the Federal Aviation Proposed AD However, the FAA considers this rule Regulations (14 CFR 43.9). The only cost Since an unsafe condition has been necessary to ensure that the unsafe impact of the proposed AD is the time identified that is likely to exist or condition is addressed in the event that it would take each owner/operator of develop in other HAMC Model Y12 IV any of these subject airplanes are the affected airplanes to insert the airplanes of the same type design imported and placed on the U.S. information into the AFM. Register. registered in the United States, the FAA Regulatory Impact is proposing AD action. The proposed Should an affected airplane be AD would require revising the imported and placed on the U.S. The regulations proposed herein Limitations Section of the AFM to Register, accomplishment of the would not have substantial direct effects include requirements for activation of required action would take on the States, on the relationship pneumatic deicing boots at the first approximately 1 workhour per airplane between the national government and indication of ice accumulation on the to accomplish the proposed AFM the States, or on the distribution of airplane. revisions. Accomplishing the proposed power and responsibilities among the AFM revision requirements of this various levels of government. Therefore, Cost Impact NPRM may be performed by the owner/ in accordance with Executive Order None of the HAMC Y12 IV airplanes operator holding at least a private pilot 12612, it is determined that this affected by this action are on the U.S. certificate as authorized by § 43.7 of the proposal would not have sufficient Register. All airplanes included in the Federal Aviation Regulations (14 CFR federalism implications to warrant the applicability of this rule currently are 43.7), and must be entered into the preparation of a Federalism Assessment. operated by non-U.S. operators under aircraft records showing compliance For the reasons discussed above, I foreign registry; therefore, they are not with the proposed AD in accordance certify that this action (1) is not a

VerDate 06-OCT-99 17:14 Oct 07, 1999 Jkt 190000 PO 00000 Frm 00035 Fmt 4702 Sfmt 4702 E:\FR\FM\08OCP1.XXX pfrm01 PsN: 08OCP1 Federal Register / Vol. 64, No. 195 / Friday, October 8, 1999 / Proposed Rules 54829

‘‘significant regulatory action’’ under the FAA-approved Airplane Flight Manual DEPARTMENT OF TRANSPORTATION Executive Order 12866; (2) is not a (AFM) to include the following requirements ‘‘significant rule’’ under DOT for activation of the ice protection systems. Federal Aviation Administration Regulatory Policies and Procedures (44 This may be accomplished by inserting a FR 11034, February 26, 1979); and (3) if copy of this AD in the AFM. 14 CFR Part 39 • promulgated, will not have a significant ‘‘ Except for certain phases of flight [Docket No. 99±CE±35±AD] economic impact, positive or negative, where the AFM specifies that deicing boots on a substantial number of small entities should not be used (e.g., take-off, final RIN 2120±AA64 approach, and landing), compliance with the under the criteria of the Regulatory Airworthiness Directives; Pilatus Flexibility Act. A copy of the draft following is required. • Wing and Tail Pneumatic Britten-Norman Limited Models BN±2T regulatory evaluation prepared for this and BN±2T±4R Airplanes action has been placed in the Rules Deicing Boot System, if installed, must be Docket. A copy of it may be obtained by activated: AGENCY: Federal Aviation contacting the Rules Docket at the —At the first sign of ice formation anywhere Administration, DOT. location provided under the caption on the aircraft, or upon annunciation from ACTION: Notice of proposed rulemaking ADDRESSES. an ice detector system, whichever occurs (NPRM). first; and List of Subjects in 14 CFR Part 39 —The system must either be continued to be SUMMARY: This document proposes to Air transportation, Aircraft, Aviation operated in the automatic cycling mode, if adopt a new airworthiness directive safety, Safety. available; or the system must be manually (AD) that would apply to all Pilatus cycled as needed to minimize the ice Britten-Norman Limited (Pilatus Britten- The Proposed Amendment accretions on the airframe. Norman) Models BN–2T and BN–2T–4R Accordingly, pursuant to the • The wing and tail leading edge airplanes. The proposed AD would authority delegated to me by the pneumatic deicing boot system may be require revising the Airplane Flight Administrator, the Federal Aviation deactivated only after leaving icing Manual (AFM) to include requirements Administration proposes to amend part conditions and after the airplane is for activation of the airframe pneumatic 39 of the Federal Aviation Regulations determined to be clear of ice.’’ deicing boots. The proposed AD is the (14 CFR part 39) as follows: (b) Incorporating the AFM revisions, as result of reports of in-flight incidents required by this AD, may be performed by and an accident that occurred in icing PART 39ÐAIRWORTHINESS the owner/operator holding at least a private conditions where the airframe DIRECTIVES pilot certificate as authorized by § 43.7 of the pneumatic deicing boots were not Federal Aviation Regulations (14 CFR 43.7), activated. The actions specified by the 1. The authority citation for part 39 and must be entered into the aircraft records proposed AD are intended to assure that continues to read as follows: showing compliance with this AD in flightcrews activate the pneumatic wing Authority: 49 U.S.C. 106(g), 40113, 44701. accordance with § 43.9 of the Federal and tail deicing boots at the first signs Aviation Regulations (14 CFR 43.9). § 39.13 [Amended] of ice accumulation. This action will (c) Special flight permits may be issued in prevent reduced controllability of the 2. Section 39.13 is amended by accordance with §§ 21.197 and 21.199 of the aircraft due to adverse aerodynamic adding a new airworthiness directive Federal Aviation Regulations (14 CFR 21.197 effects of ice adhering to the airplane (AD) to read as follows: and 21.199) to operate the airplane to a prior to the first deicing cycle. location where the requirements of this AD Harbin Aircraft Manufacturing Corporation: DATES: Comments must be received on Docket No. 99–CE–41–AD. can be accomplished. or before December 1, 1999. Applicability: Model Y12 IV airplanes, all (d) An alternative method of compliance or ADDRESSES: Submit comments in serial numbers equipped with pneumatic adjustment of the compliance time that deicing boots, certificated in any category. provides an equivalent level of safety may be triplicate to the Federal Aviation Administration (FAA), Central Region, Note 1: This AD applies to each airplane approved by the Manager, Small Airplane identified in the preceding applicability Directorate, 1201 Walnut, suite 900, Kansas Office of the Regional Counsel, provision, regardless of whether it has been City, Missouri 64106. The request shall be Attention: Rules Docket No. 99–CE–35– modified, altered, or repaired in the area forwarded through an appropriate FAA AD, Room 1558, 601 E. 12th Street, subject to the requirements of this AD. For Maintenance Inspector, who may add Kansas City, Missouri 64106. Comments airplanes that have been modified, altered, or comments and then send it to the Manager, may be inspected at this location repaired so that the performance of the Small Airplane Directorate. between 8 a.m. and 4 p.m., Monday requirements of this AD is affected, the through Friday, holidays excepted. owner/operator must request approval for an Note 2: Information concerning the FOR FURTHER INFORMATION CONTACT: alternative method of compliance in existence of approved alternative methods of Mr. accordance with paragraph (d) of this AD. compliance with this AD, if any, may be John P. Dow, Sr., Aerospace Engineer, The request should include an assessment of obtained from the Small Airplane FAA, Small Airplane Directorate, 1201 the effect of the modification, alteration, or Directorate. Walnut, suite 900, Kansas City, Missouri repair on the unsafe condition addressed by (e) Information related to this AD may be 64106; telephone: (816) 426–6932; this AD; and, if the unsafe condition has not examined at the FAA, Central Region, Office facsimile: (816) 426–2169. been eliminated, the request should include SUPPLEMENTARY INFORMATION: specific proposed actions to address it. of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106. Compliance: Required as indicated in the Comments Invited Issued in Kansas City, Missouri, on body of this AD, unless already Interested persons are invited to October 4, 1999. accomplished. participate in the making of the To assure that flightcrews activate the wing Michael Gallagher, and tail pneumatic deicing boots at the first proposed rule by submitting such Manager, Small Airplane Directorate, Aircraft signs of ice accumulation on the airplane, written data, views, or arguments as Certification Service. accomplish the following: they may desire. Communications (a) Within 10 days after the effective date [FR Doc. 99–26404 Filed 10–7–99; 8:45 am] should identify the Rules Docket of this AD: Revise the Limitations Section of BILLING CODE 4910±13±U number and be submitted in triplicate to

VerDate 06-OCT-99 11:20 Oct 07, 1999 Jkt 190000 PO 00000 Frm 00036 Fmt 4702 Sfmt 4702 E:\FR\FM\08OCP1.XXX pfrm07 PsN: 08OCP1