TCDS E8NE

MODELS: CT7- 2A/2D/ 2E1 2F1 6/6A 8 5A2 5A3 7A/ 9B/9C/ 9B1/ 9D/ 2D1 7A1 9C3 9B2 9D2 Maximum Continuous (SL) Equivalent Shaft hp --- --- --- --- --- 1,660 --- 1,764 --- --- --- Shaft hp 1,595 1871 1,712 1,718 2,043 1,600 1,600 1,700 1,750 1,750 1,750 Thrust, lb --- --- --- --- --- 150 --- 160 --- --- --- Output, rpm 21,000 21,000 21,000 20,463 21,945 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) Normal Takeoff (5 min) (SL) Equivalent Shaft hp --- --- --- --- --- 1,800 --- 1,764 --- --- --- Shaft hp 1,625 1985 1,979 2,000 2,520 1,735 1,665 1,700 1,750 1,750 1,750 Thrust, lb --- --- --- --- --- 164 --- 160 --- --- --- Output, rpm 21,000 21,000 21,630 20,463 21,945 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) 1,384 (1) Maximum Takeoff (5 min) (SL) Shaft hp --- --- --- --- --- --- 1,785 --- 1,870 1,950 1,940 Output, rpm --- --- --- --- --- --- 1,384 (1) --- 1,384 (1) 1,384 (1) 1,384 (1) 30 Minute (SL) --- --- Shaft hp --- --- 2,336 --- --- --- --- --- --- Output, rpm --- --- 21,945 --- --- --- --- --- --- (1) Output for these turboprop models is specified as nominal propeller speed (gear-reduced Np). 1,384 rpm is not a rating or limitation and is presented for reference only. The limit for c ontinuous operation is 1,396 rpm. See NOTE 7. TCDS NUMBER E8NE REVISION: 42 General Electric Company U.S. DEPARTMENT OF TRANSPORTATION MODELS: CT7-2A CT7-7A CT7-8B CT7-9B FEDERAL AVIATION ADMINISTRATION CT7-2D CT7-7A1 CT7-8B5 CT7-9B1 TYPE CERTIFICATE DATA SHEET NO. E8NE CT7-2D1 CT7-2E1 CT7-8 CT7-8A CT7-8E CT7-8E5 CT7-9B2 CT7-9C CT7-2F1 CT7-5A2 CT7-8A1 CT7-8A5 CT7-8F CT7-8F5 CT7-9C3 CT7-9D CT7-5A3 CT7-6 CT7-8A6 CT7-8A7 CT7-9D2 CT7-6A July 3, 2025 Engines of models described herein conforming with this data sheet (which is part of Type Certificate Number E8NE) and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certified aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal Aviation Regulations, provided they are installed, operated, and maintained as prescribed by the approved manufacturer’s manuals and other approved instructions. TYPE CERTIFICATE (TC) HOLDER: General Electric Company GE Aviation 1000 Western Avenue Lynn, MA 0191 0 (USA) TYPE CT7- Axial flow, free-turbine turboshaft. Five-stage axial / single-stage centrifugal compressor; annular combustion chamber; two-stage gas generator turbine; two-stage power turbine. Full Authority Digital Engine Control (FADEC) only for the CT7-2E1/2F1/8/8A/8A1/8A5/8A6/8A7/8B/8B5/8E/8E5/8F/8F5 models. 2A/2D/2D1/2E1/2F1/6/6A/8/8A /8A1/8A5/8A6/8A7/8B/8B5/ 8E/8E5/8F/8F5 CT7-5A2/5A3/7A/7A1/9B/ Axial flow, free-turbine turboprop. Five-stage axial / single-stage centrifugal compressor; annular combustion chamber; two-stage gas generator turbine; two-stage power turbine; integral propeller gearbox. 9B1/9B2/9C/9C3/9D/9D2 Ratings are AEO unless labeled OEI. RATINGS (See NOTES 5 and 11) SL: Sea level PAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 42 39 42 35 41 39 37 41 41 42 39 39 40 41 37 41 37 40 LEGEND: "---" NOT APPLICABLE TCDS E8NE Page 2 of 18 MODELS: CT7- 2A/2D/ 2E1 2F1 6/6A 8 5A2 5A3 7A/ 9B/9C/ 9B1/ 9D/ 2D1 7A1 9C3 9B2 9D2 Continuous OEI (SL) Shaft hp --- 1985 1,979 2,000 --- --- --- --- --- --- --- Output, rpm --- 21,000 21,630 20,463 --- --- --- --- --- --- --- 30-minute OEI (SL) Shaft hp 1,625 --- --- --- 2,498 --- --- --- --- --- --- Output, rpm 21,000 --- --- --- 21,945 --- --- --- --- --- --- 2½-minute OEI (SL) Shaft hp 1,725 --- --- 2,000 --- --- --- --- --- --- --- Output, rpm 21,000 --- --- 20,463 --- --- --- --- --- --- --- 2-minute OEI (SL) Shaft hp --- --- 2,054 --- 2,520 --- --- --- --- --- --- Output, rpm --- --- 21,630 --- 20,848 --- --- --- --- --- --- 30-second OEI (SL) Shaft hp --- --- 2,129 --- 2,600 --- --- --- --- --- --- Output, rpm --- --- 21,630 --- 20,848 --- --- --- --- --- --- Flat 30-sec/2-min OEI (SL) Shaft hp --- 2214 --- --- --- --- --- --- --- --- --- Output, rpm --- 21,000 --- --- --- --- --- --- --- --- --- MODELS: CT7- 8A 8A1 8A5 8A6 8A7 8B 8B5 8E 8E5 8F 8F5 Maximum Continuous (SL) Shaft hp 2,043 2,041 2,157 2,329 2,323 2,041 2,154 2,041 2,154 1,960 2,151 Output, rpm 21,945 21,527 21,945 21,945 21,527 20,900 20,900 20,872 20,872 20,841 20,841 Normal Takeoff (5 min) (SL) Shaft hp 2,520 2,538 2,634 2,695 2,685 2,529 2,609 2,527 2,608 2,474 2,603 Output, rpm 21,945 21,527 21,945 21,945 21,527 20,900 20,900 20,872 20,872 20,841 20,841 30 Minute (SL) Shaft hp 2,336 2,334 2,544 2,637 2,627 2,489 2,529 2,488 2,528 2,383 2,524 Output, rpm 21,945 21,527 21,945 21,945 21,527 20,900 20,900 20,872 20,872 20,841 20,841 Continuous OEI (SL) Shaft hp 2,498 2,495 2,544 2,637 2,627 2,489 2,529 2,488 2,528 2,383 2,524 Output, rpm 21,945 21,527 21,945 21,945 21,527 20,900 20,900 20,872 20,872 20,841 20,841 2-minute OEI (SL) Shaft hp 2,520 2,502 2,606 2,684 2,667 2,523 2,606 2,522 2,604 2,430 2,599 Output, rpm 20,900 20,482 20,900 20,900 20,482 20,900 20,900 20,872 20,872 19,800 20,841 30-second OEI (SL) Shaft hp 2,740 2,712 2,769 2,845 2,788 2,740 2,769 2,739 2,767 2,624 2,762 Output, rpm 20,900 20,482 20,900 20,900 20,482 20,900 20,900 20,872 20,872 19,800 20,841 MODELS: CT7- 2A/2D 2D1 2E1 2F1 6/6A 8/8A/8A1/ 8E/8E5 8F5 9B/9B1/ 8B5/8F Fuel Control Hamilton Standard (P/N) JFC78-4 JFC78-4 --- --- JFC78-4 819700-9 819700-9 819700-9 JFC78-5 JFC78-5 (1) Woodward Governor (Model) --- 3470 --- --- --- --- --- --- --- 3470 FADEC (P/N) --- --- 5158T32 5158T32 --- 4110T55 4110T55 4110T55 --- --- FADEC (P/N) 5183T35(2) Fuel Boost pump Lear Siegler-Romec (P/N) RR53150 RR53150 RR53150 RR53150 RR53150 RR53150 RR53150 RR53150 RR53150 RR53150 Fuel (See NOTE 12) GE Jet Fuel Specification D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 D50TF2 For specific approved fuels see Operating SEI- SEI- GEK GEK SEI- GEK GEK GEK SEI- SEI- Instructions: 569 569 112766 112102 694 105157 112153 114117 575 575 (1) Some CT7-9B/9C engines were shipped with Hamilton Standard JFC 78-5 Fuel Controls, which remain an alternate to the Woodward Governor unit on the CT7-9B/9B1/9B2/9C/9C3/9D/9D2. (2) 5183T35 on CT7-8A6 only RATINGS - Continued (See NOTES 5 and 11) RATINGS - Continued (See NOTES 5 and 11) FUEL SYSTEM 8A5/8A6/ 8A7/8B/ 5A2/5A3/ 7A/7A1 9B2/9C/9C3 /9D/9D2 TCDS E8NE Page 3 of 18 MODELS: CT7- 2E1 2F1 6/6A 8E/8E5 8F5 5A2/5A3/7A/ 8B/8B5/8F 9D/9D2 GE Oil Specification D50TF1 D50TF1 D50TF1 D50TF1 D50TF1 D50TF1 D50TF1 D50TF1 For specific approved oils, SEI- GEK GEK SEI- GEK GEK GEK SEI- see Operating Instructions: 569 112766 112102 694 105157 112153 114117 575 MODELS: CT7- 2A 2D 2D1 2E1 2F1 6/ 6A 8 8A/8A1/8A5/ 8A6/8A7/8B/ 8B5/8E/ 8E5/8F 8F5 5A2/5A3/ 7A/7A1 9B/9B1/ 9B2/9C/ 9D 9C3/ 9D2 Length (in) 47 47 47 47 47 48.2 48.8 48.8 42.3 96 96 96 Maximum diameter (in) --- --- --- --- --- --- --- --- --- --- --- --- Width (in) 26 26 26 26 26 26 26 26 26 26 26 26 Height (in) 25 25 25 26 26 25 25 25 25 29 29 29 Weight, dry (lb) 429 442 466 491 482 493 537 (1) 542 (1) 528 (1) 783 805 807 (1) Does not include cables from engine to FADEC. MODELS: CT7- 2A 2D 2D1 2E1 2F1 6/6A 8/8A/8A1/ 8F5 9B/9B1/9B2/ 8E/8E5/8F Aft of front mount centerline (in) 13.22 13.19 13.29 13.42 13.41 13.76 13.58 23.64 31.08 31.45 Above engine horizontal centerline (in) 1.38 1.39 1.40 1.19 1.17 1.25 1.98 1.10 2.75 2.73 Left of vertical centerline (in) 0.42 0.45 0.47 0.64 0.64 0.49 1.02 0.46 0.28 0.26 EXCITER UNIT IGNITER PLUG Supplier Part Number GE Part Number GE Part Number MODELS: CT7- 2A 48987 4040T18 4053T22 2D/2D1 44525 4068T11 5044T67 2E1/2F1 --- 5157T09 5044T67 5A2/5A3/6/6A/7A/7A1/9B/9B1/9B2/9C/9C3/9D/9D2 44525 4068T11 5044T67 8/8A/8A5/8A1/8A6/8A7/8B/8B5/8E/8E5/8F/8F5 9049950-1 3060T07 5044T67 OIL 2A/2D /2D1 8/8A/8A1/ 8A5/8A6/8A7/ 7A1/9B/9B1/ 9B2/9C/9C3/ PRINCIPAL DIMENSIONS (See NOTE 34) CENTER OF GRAVITY LOCATION 8A5/8A6/ 8A7/8B/8B5/ 5A2/5A3/ 7A/7A1 9C/9C3/ 9D/9D2 IGNITION SYSTEM, DUAL (Includes exciter unit and two igniter plugs) NOTES MODELS: CT7- 2A/2D/2D1 2E1 2F1 5A2/7A 5A3 6/6A 7A1 8 8A/8A1 8A6 8A7 8A5/8B/8B5/8E5/8F 8E 8F5 9B/9B1/9B2/9D 9C 9C3/9D2 See NOTES 1 through 18, 24, 34 and 44. See NOTES 1 through 17, 24, 29, 34 through 38 and 48. See NOTES 1 through 17, 24, 29, 34 through 37, 40, 48 and 50. See NOTES 1 through 17, 21 through 25, 33 and 34. See NOTES 1 through 17, 21 through 25, 30, 32 and 34. See NOTES 1 through 17, 24 and 34. See NOTES 1 through 17, 21 through 25 and 34. See NOTES 1 through 17, 24, 29, 34 through 38 and 40. See NOTES 1 through 17, 24, 29, 34 through 40. See NOTES 1 through 17, 24, 29, 34 through 38 and 40 See NOTES 1 through 17, 24, 29, and 34 through 40. See NOTES 1 through 17, 24, 29, 34 through 38 and 42. See NOTES 1 through 17, 24, 29, 34 through 38 and 49. See NOTES 1 through 17, 21, 24, 29, 34 through 38 and 43. See NOTES 1 through 17, 21 through 25, 29, 30, 33 and 34. See NOTES 1 through 17, 21 through 25, 28, 29, 30, 33 and 34. See NOTES 1 through 17, 21 through 25, 29, 30 and 34. TCDS E8NE Page 4 of 18 CERTIFICATION BASIS MODELS: CT7- 2A/2D/2D1 2E1 2F1 6/6A 8 8A/8A1/8A5/8B/8B5/8E/ 8E5/8F/8F5 8A6/8A7 5A2/5A3/7A/7A1/9B/9B1/ 9B2/9C/9C3/9D/9D2 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-5; Special Condition 33-76-NE-2. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-20; Special Condition 33-012-SC; Equivalent Level of Safety memo AT3011EN-E-P-4. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-20; Special Condition 33-002-SC; Equivalent Level of Safety memo AT3011EN-E-P-4. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-5; 14 CFR 33.87, Amendment 12; Special Condition number 33-76-NE-2. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-19; Special Conditions 33-002-SC and 33-003-SC. The inlet particle separator blower rotor was certified to 14 CF R 29.1461 as amended by amendment 29-3, instead of 14 CFR 33.27. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-20; Special Conditions 33-002-SC and 33-005-SC. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-20; Special Conditions 33-002-SC and 33-005-SC; Equivalent Level of Safety memo 8040-ELOS-12-NE04. 14 CFR 33, effective February 1, 1965, as amended by amendments 33-1 through 33-5; 14 CFR 33.17 an d 14 CFR 33.77 as amended by amendments 33-1 through 33-6; Special Condition 33-NE-1. TYPE CERTIFICATE NUMBER E8NE MODEL APPLIED FOR ISSUED/REVISED DELETED CT7-1 JUL 02 1974 JUN 29 1977 MAY 28 1981 CT7-2 FEB 02 1978 SEP 06 1978 JAN 15 1982 T700/T1C AUG 01 1977 SEP 06 1978 MAY 18 1983 T700/T2C OCT 10 1980 MAY 28 1981 JUL 30 1992 CT7-2A MAY 30 1980 MAY 28 1981 CT7-2B MAR 17 1982 MAY 18 1983 JUL 30 1992 CT7-5A AUG 06 1981 AUG 29 1983 OCT 02 1986 CT7-7 AUG 14 1981 AUG 29 1983 NOV 26 1985 CT7-7E JUL 08 1983 AUG 29 1983 NOV 26 1985 CT7-5A1/7A/7E1 APR 17 1984 MAY 15 1984 OCT 02 1986 CT7-7A APR 17 1984 MAY 15 1984 CT7-7E1 APR 17 1984 MAY 15 1984 NOV 26 1985 CT7-5A2 DEC 18 1984 MAR 25 1985 CT7-2D JUL 15 1985 AUG 22 1985 CT7-9B MAR 16 1987 JUN 17 1988 CT7-9C AUG 15 1985 JUN 17 1988 CT7-6/6A MAR 17 1987 JUN 30 1988 CT7-5A3/7A1 AUG 29 1988 MAR 16 1989 CT7-2D1 DEC 07 1988 JUN 30 1989 CT7-9B1/9B2/9D JUN 03 1991 JUN 24 1992 CT7-9C3/9D2 SEP 26 1997 JUN 25 1998 CT7-8 OCT 2 1996 SEP 29 2000 CT7-8A/8A5/8B/8B5/8E/8E5/8F/8F5 SEP 15 2003 APR 08 2004 CT7-8A1 JUN 12 2007 JUN 21 2010 CT7-8A6/8A7 MAY 20 2010 MAY 21, 2012 CT7-2E1 SEP 10, 2009 JUNE 12, 2013 CT7-2F1 JUN 29 2015 March 13, 2019 TCDS E8NE Page 5 of 18 MAXIMUM PERMISSIBLE GAS GENERATOR OPERATING SPEEDS (rpm) MODELS: CT7- 2A/2D/2D1 2E1 2F1 6/6A 8 8A/8A1/8A5/8B 8F5 8A6/8A7 / 8B5/8E/8E5/8F 30-second OEI --- --- 46,935 --- 46,340 46,340 46,340 46,340 2-minute OEI --- --- 46,935 --- 46,010 46,010 46,010 46,010 2½-minute OEI 46,070 --- --- 46,060 --- --- --- --- Flat 30-second/2-minute OEI --- 46,935 --- --- --- --- --- --- 30-minute OEI 45,430 --- --- --- 45,760 --- --- --- Continuous OEI --- 45,907 45,907 45,900 --- 45,760 46,010 46,010 Normal takeoff (5 min) 45,430 45,907 45,907 45,900 46,010 46,010 46,010 46,010 30-minute --- --- --- --- 45,350 45,760 46,010 46,010 Maximum continuous 45,240 45,907 45,907 45,420 44,660 44,660 44,660 44,950 Transient (12 sec) 47,000 46,137 46,137 47,440 46,120 46,120 46,120 46,120 Transient OEI (12 sec) 47,000 --- --- 47,440 --- --- --- --- MAXIMUM PERMISSIBLE GAS GENERATOR OPERATING SPEEDS (rpm) MODELS: CT7- 5A2 5A3 7A/7A1 9B/9C/9C3 9B1/9B2/ 9D/9D2 Normal takeoff (5 min) 45,000 44,650 45,000 45,288 (1) 45,100 Maximum takeoff --- 45,000 --- 45,600 45,600 Maximum continuous 44,720 44,720 44,720 45,600 45,600 Transient (12 sec) 47,000 47,000 47,000 47,000 47,000 APU (prop brake on) (2) (2) (2) (3) (3) (1) (2) (3) CT7-9C: See NOTE 28. Refer to Figure 6-5, SEI-575 Refer to Figure 6-6, SEI-575 IMPORT REQUIREMENTS: To be considered eligible for installation on United States (U.S.) registered aircraft, each engine to be exported to the U.S. shall be accompanied by a certificate of airworthiness for export or by a certifying statement, endorsed by the exporting cognizant civil airworthiness authority and containing the following language: 1. This engine conforms to its Type Certificate Number E8NE and is in a condition for safe operation. 2. This engine has been subjected by the manufacturer to a final operational check and is in a proper state of airworthiness. Reference 14 CFR Section 21.500, which provides for the airworthiness acceptance of aircraft engines manufactured outside of the U.S. and for which a U.S. type certificate has been issued. Additional guidance is contained in FAA Advisory Circular 21-23, “Airworthiness Certification of Civil Aircraft, Engine, Propellers and Related Products Imported into the United States.” PRODUCTION BASIS: FAA Production Certificate number 108. Transport Canada Manufacturing Approval Certificate number 231-91 for CT7-8A1/8A7 engine Serial Numbers 530001 to 530099 (See NOTE 39). EASA Production Organization Approval ES.21G.0016 for CT7-8F5 engine Serial Numbers 731004 to 731099 and 733001 to 733100 (See NOTE 43). EASA Production Organization Approval IT.21G.0008 for CT7-8E engine Serial Numbers 087001 to 087050 (See NOTE 49). NOTES Limitations are AEO unless labeled OEI. NOTE 1. NOTE 1. - Continued Overspe ed inspection, see NOTE 10. TCDS E8NE Page 6 of 18 MAXIMUM PERMISSIBLE TEMPERATURES MODELS: CT7- 2A 2D 2D1 2E1 2F1 6/6A 8 POWER TURBINE INLET (T4.5/ITT) (1) °C/°F °C/°F °C/°F °C/°F °C/°F °C/°F °C/°F 30-second OEI --- --- --- --- 1,078/1,972 --- 1010/1,851 2-minute OEI --- --- --- --- 991/1,815 --- 990/1,814 2½-minute OEI 915/1,680 911/1,671 858/1,577 --- --- 968/1,774 --- Flat 30-second/2-minute OEI --- --- --- 1101/2013 --- --- --- 30-minute OEI 878/1,613 873/1,603 858/1,577 --- --- --- 979/1,794 Continuous OEI --- --- --- 983/1802 963/1,765 948/1,738 --- Normal takeoff 878/1,613 873/1,603 858/1,577 983/1802 963/1,765 948/1,738 986/1,807 30-minute --- --- --- --- --- --- 957/1,755 Maximum continuous 863/1,585 858/1,576 841/1,546 957/1755 897/1,647 899/1,650 920/1,688 Transient (12 sec) 950/1,742 945/1,733 903/1,657 991/1816 974/1,785 1011/1,852 987/1,809 Transient OEI (12 sec) 950/1,742 945/1,733 903/1,657 --- --- 1011/1,852 --- Starting 950/1,742 945/1,733 903/1,657 963/1,766 963/1,765 948/1,738 1000/1,832 Oil inlet 150/302 150/302 150/302 150/302 150/302 150/302 149/300 (1) The power turbine inlet gas temperature is measured by 7 thermocouples mounted in the power turbine casing. For inspection requirements when limits are exceeded, refer to Maintenance Manual SEI-570 for CT7-2A/2D/ 2D1, GEK112043-02 for CT7-2E1, GEK112043-03 for CT7- 2F1, SEI-695 for CT7-6/6A, and GEK105159 for CT7-8. MAXIMUM PERMISSIBLE TEMPERATURES MODELS: CT7- (other models next page) 8A/8A1 8A5 8A6/8A7 8B 8B5/8E/8E5 /8F/8F5 POWER TURBINE INLET (T4.5/ITT) (2) °C/°F °C/°F °C/°F °C/°F °C/°F 30-second OEI 1,049/1,921 1,049/1,921 1,097/2,006 1,049/1,921 1,049/1,921 2-minute OEI 1,006/1,843 1,006/1,843 1,013/1,855 1,006/1,843 1,006/1,843 Continuous OEI 988/1,811 988/1,811 996/1,824 988/1,811 988/1,811 Normal takeoff 995/1,823 1,002/1,835 1,007/1,844 995/1,823 1,002/1,835 30-minute 988/1,811 988/1,811 996/1,824 988/1,811 988/1,811 Maximum continuous 935/1,715 935/1,715 946/1,734 935/1,715 935/1,715 Transient (12 sec) 1,003/1,838 1,003/1,838 1,008/1,847 1,003/1,838 1,003/1,838 Starting 1,000/1,832 1,000/1,832 1,000/1,832 1,000/1,832 1,000/1,832 Oil inlet 149/300 149/300 149/300 149/300 149/300 (2) The power turbine inlet gas temperature is measured by 7 thermocouples mounted in the power turbine casing . For inspection requirements when limits are exceeded, refer to Maintenance Manual GEK105159. MAXIMUM PERMISSIBLE TEMPERATURES MODELS: CT7- 5A2/7A/7A1 5A3 9B/9C3 9B1/9B2 9C 9D/9D2 POWER TURBINE INLET (T4.5/ITT) (3) °C/°F °C/°F °C/°F °C/°F °C/°F °C/°F Normal takeoff (5 min) Normal takeoff (2 min) (4) Maximum takeoff (5 min) (5) Maximum takeoff (2 min) (4) (5) Maximum continuous Transient (12 sec) Starting Oil inlet Propeller gearbox, continuous Transient (15 min) Power unit, continuous Transient (15 min) 930/1,705 919/1,687 917/1,683 907/1655 921/1,690 (6) 909/1,668 --- --- 927/1,701 917/1683 --- 919/1,686 --- 943/1,730 940/1,724 940/1,724 950/1,742 940/1,724 --- --- 950/1,742 950/1,742 --- 950/1,742 917/1,682 921/1,690 944/1,731 944/1,731 944/1,731 944/1,731 960/1,760 960/1,760 965/1,769 965/1,769 975/1,787 965/1,769 960/1,760 960/1,760 965/1,769 965/1,769 970/1,778 965/1,769 77/171 77/171 77/171 77/171 77/171 77/171 93/199 93/199 93/199 93/199 93/199 93/199 122/252 122/252 122/252 122/252 122/252 122/252 132/270 132/270 132/270 132/270 132/270 132/270 (3) The power turbine casing. For inspect Manual SEI-576 for CT7-5A2/5A3/7A/7A1/9B/9B1/9B2/ 9C/9C3/9D/9D2. (4) 2-minute tra nsient maximum during a 5-minute takeoff. (5) Automatic power reserve (APR). See NOTE 30. (6) See NOT E 28. NOTE 2. NOTE 2. - Continued NOTE 2. - Continued TCDS E8NE Page 7 of 18 FUEL PRESSURE LIMITS MODELS: All CT7 Models At engine boost pump inlet: For all operation, including starts, the minimum pressure shall be 1.0 psi above true vapor pressure of the fuel, with a vapor/liquid ratio less than or equal to 1.0. Maximum fuel pressure shall be 50 psi above absolute ambient atmospheric pressure. In addition, minimum fuel pressure during starting shall be no lower than atmospheric pressure (or tank pressure, whichever is higher) minus 2.8 psi. OIL PRESSURE LIMITS MODELS: CT7- 2A 2D/2D1/2E1/2F1/6/6A/8/8A/8A1/ 8F/8F5 9C/9C3/9D/9D2 Ground idle, minimum 20 psig 20 psid --- Operating range 40-100 psig 30-100 psid --- Power unit Ground idle, minimum --- --- 20 psid Operating range --- --- 30-100 psid Propeller gearbox Ground idle, minimum --- --- 5-25 psig Operating range --- --- 25-140 psig ACCESSORY DRIVE PROVISIONS Drive Type Rotation* Speed Maximum Torque (in-lb) Continuous Static MODELS CT7-2A/2D/2D1/6/6A/8/8A/ 8A1/8A5/8A6/8A7/8B/ 8B5/8E/8E5/8F Starter MS3326-2 (1) CW 0.64979 (2) 336 900(3)/1000 (4) CT7-8F5 Starter Clutch V-Band Pad (13) CW 0.64979 (2) 336 900(3)/1000 (4) CT7-2E1 Starter-Generator AS963-1 CCW 0.29736 730 (5) 1320 (3)/1470 (7) /1700 (10) CT7-2F1 Starter MS3326-2 (1) CW 0.64979 (2) 336 900(3)/550 (4) CT7-5A2/5A3/7A/7A1/9B/9B1 9B1/9B2/9C/9C3/9D/9D2 Starter-Generator AS963A-12V (8) CCW 0.26630 (2) 820 (5)/192 (6) 1530 (3)/1900 (10)/ 1645 (7) Propeller Gearbox Propeller shaft AS1414(8) CCW 0.06291 (9) (8) (8) Hydraulic pump MS3326(AS)-2 (8) CW 0.27932 (9) 123 (11) AC generator AS963A-12V (8) CW 0.54650 (9) 370(12) (12) Propeller overspeed governor MS3325(AS)-2 (8) CW 0.38091 (9) (11) Propeller control unit (13) CW 0.06291 (9) (11) (1) Modified (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Ratio to gas generator speed 3 seconds maximum duration Maximum axial impact force, pounds Starter Generator mode for 3 minutes restricted at gr Unrestricted maximum is 112 in-lb 0.05 seconds maximum duration Modified For CT7-5A2/5A3/7A/7A1 see Installation Manual SEI-585 For CT7-9B/9B1/9B2/9C/9C3/9D/9D2 see Installation Manual SEI-726 Ratio to power turbine speed Shear torque for starter/generator shaft shear section Overtorque allowance minimum of 1.5 x maximum normal rated torque for 10 8 cycles and minimum of 5 x maximum normal rated torque as a limit load. Maximum overload up to 415 in-lb for 5 minutes For CT7-8F5 see Installation Manual GEK 114116 For CT7-5A2/5A3/7A/7A1 see Installation Manual SEI-585 For CT7-9B/9B1/9B2/9C/9C3/9D/9D2 see Installation Manual SEI-726 NOTE 3. 8A5/8A6/8A7/8B/8B/ 8E/8E5/ 5A2/5A3/7A/7A1/9B/9B1/9B2/ NOTE 4. * Facing engine pad, CW = CLOCKWISE CCW = COUNTERCLOCKWISE TCDS E8NE Page 8 of 18 NOTE 5. Engine ratings are based on calibrated test stand performance under the following conditions: CT7-2A/2D/2D1/6/6A/ 8/8A/8A5/8A6/8A7/8B/ 8B5/8E/8E5/8F/8F5/8A1 Static sea level standard conditions of 59oF and 29.92 inches Hg. GE Aviation air inlet, GE Aviation P/N 1076662-542 (CT7-2A/2D/2D1) or P/N 17A132-505 (CT7-8/8A/8A1/ 8A5/8A6/8A7-8B/8B5/8E/8E5/8F/8F5), and shaft shield, P/N 17A132-506 or GE Aviation P/N 1076662-486 (CT7-6/6A), and shaft shield, GE Aviation P/N 1076662-592. CT7-8F5 outer bellmouth adapter, P/N 17A210-005, and inner bellmouth adapter, P/N 17A210-004. No external air bleed for aircraft accessories. Exhaust configuration as defined by GE Aviation P/N 1076662-524 or P/N 1076662-554 (CT7-8/8A/8A1/8A5/8A6/8A7/8B/8B5/8E/8E5/8F/8F5). No anti-icing airflow. For additional performance data, refer to the engine specifications and customer decks included with the specific GE/airframe contract. Power ratings for the CT7-8A/8A1/8A6/8A7/8E/8F5 are based on operating in test cell mode (engine capabilities), which disables the EECU torque limiting corresponding to the rotorcraft capabilities. In their respective rotorcraft installations, the EECU applies torque limits of: CT7-8A/8A1/8A6/8A7 8A 8A1 8A6 8A7 30-Second OEI 703.3 701.8 698.4 698.4 ft-lb 2-Minute OEI 598.6 603.6 598.6 698.4 ft-lb Continuous OEI 598.6 603.6 598.6 653.5 ft-lb Normal Takeoff 548.7 553.2 548.7 568.2 ft-lb CT7-8E/8F5 8E 112% MGB Config (SW v5.20) 8E 117% MGB Config (2) (SW v5.31) 8F5 30-Second OEI 568.2 568.2 N/A ft-lb 2-Minute OEI 568.2 522.3 602.0 ft-lb Continuous OEI 568.2 467.9 N/A ft-lb AEO 467.9 488.8 602 ft-lb Notes: