# TCDS H3NE: Sikorsky Aircraft Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Sikorsky Aircraft Corporation
- Revision: 12
- Revised: April 28, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheet PDF: https://openairdocs.org/files/sha256/e2/71/e271f8ef5dffc1efd30c13e5cf03ff6ad15de8be15b76c2cac1502b7dc2e8884
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/87D4776D2A0F8D238625811000527986.0001
- Page: https://openairdocs.org/tcds/H3NE

## Models (1)

As the data sheet lists them.

- S-70C

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
PAGE 1 2 3 4 5 6 7 8. 9 
REV. 12 10 11 9 11 11 12 12 12 
OIL CAPACITY: 7 quarts each engine. 
DEPARTMENT OF TRANSPORTATION  
FEDERAL AVIATION ADMINISTRATION 
H3NE 
REVISION 12 
SIKORSKY AIRCRAFT 
S-70C 
APRIL 28, 2017 
TYPE CERTIFICATE DATA SHEET H3NE 
This data sheet, which is part of Type Certificate Number H3NE, prescribes conditions and limitations under which the product 
for which the Type Certificate was issued meets the airworthiness requirements of the Civil Air Regulations. 
TYPE CERTIFICATE (TC) 
HOLDER: 
Sikorsky Aircraft Corporation 
6900 Main Street 
Stratford, CT 06497-9129  
MODEL NUMBER: S-70C (Restricted Category) Approved: 10/21/83 
(Derivative aircraft of U.S. Army Models UH-60A and UH-60L) 
ENGINES: 2 General Electric CT 7-2C (See Note 11). See Notes 6 and 13 for optional engines. 
FUEL: Aviation Kerosene JP-4, JP-5, JP-8, Jet A, Jet A-1 or Jet B. See Note 6 for optional 
engines. 
ENGINE LIMITS: 
SHAFT POWER TURBINE GAS GEN POWER TURBINE 
HP RPM RPM INLET (TGT) 
MILITARY POWER (30 MIN.) 1,561 20,900 44,700 850o C 
NORMAL CONT. CRUISE 1,318 20,900 44,700 775o C 
TRANSMISSION LIMITS: TORQUE: 
120% Single Engine 
106% Dual Engine 
(no time limits) 
ROTOR LIMITS: Max. 258 RPM 
Min. 232 RPM 
AIRSPEED LIMITS: Vne Power on: 193 knots IAS, (221 MPH). See Rotorcraft Flight Manual (Operators 
Manual) for variation of Vne with gross weight, pressure altitude and temperature. 
MAXIMUM WEIGHT: 22,000 lbs. See Note 8. 
MINIMUM CREW: 2 (pilot, copilot) 
FUEL CAPACITY: 361.5 gallons; 2 tanks (LH & RH interchangeable). 
359.7 gallons; 2 tanks (LH & RH interchangeable) (with fuel boost pumps installed)

H3NE 2 
PRODUCTION BASIS:: Production Certificate No. 105 and 8 SO. 
 C.G. RANGE 347.7 360.2 
22,000  
A 
I 
R 
C 
R 
A 
F 
T 
W 
E  
I 
G 
H 
T  
L 
B 
S 
15,900  
345.5  
13,700  
13,400  
13,050  
366.3  
11,500  
342.6 358.1 
 
OTHER OPERATING 
LIMITATIONS: 
SA 4047-70C-55-10 Operator's Manual dated September 14, 1984, as revised. For 
aircraft equipped with optional GE CT7-2D engines: SA 4047-70C-55-10 Operator's 
Manual dated September 14, 1984, as revised, and Supplements No. 1 and 2, as revised. 
For aircraft equipped with optional T700-GE-701A engines: SA 4047-70C55-10 
Operator's Manual dated September 14, 1984, as revised, and Supplement No. 1, as 
revised. For S/N 701029 only, TM 55-1520-237-10B, Operator's Manual, dated June 
22, 1992, as revised. For aircraft with optional T700-GE-700 engines, U.S. Army TM 
55-1520-237- 10, dated 8 January 1988, as revised, or U.S. Army TM 1-1520-237-10, 
dated 31 August 1994, as revised, is required. (See NOTE 10)  
INC
HES 
AFT 
OF 
DAT
UM 
DAT
UM:         
SERIAL NUMBERS 
ELIGIBLE: 
Sikorsky Manufacturing Numbers 70583, 70785, 70788, 70792-70794, 70797-70800, 
70811-70813, 70830, 70831, 70836, 70837, 70848, 70855, 70856, 70867, 70868, 
70879, 70884, 70892, 70910, 70918, 70927-70929, 70949-70951, 70954, 70957-70959, 
70965, 70966, and 701029  
TYPE CERTIFICATE BASIS: FAR 21.25(a)(2), effective January 6, 1975, for the purpose of: 
(1) Agriculture, FAR 21.25(b)(1) 
(2) External Cargo, FAR 21.25(b)(7) 
(3) Forest and Wildlife Conservation FAR 21.25(b)(2) 
FAR 29, Amendments 29-1 through 29-24 for non-U.S. Army approved modifications. 
Note: In accordance with 14CFR Part 36.1(a)(4), compliance with the 
noise requirements was not shown. Therefore, aircraft certificated 
under this Type Certificate are only eligible for agricultural operations 
defined in 14CFR 137.3, aerial dispensing of liquids and forest 
conservation material as defined by 14CFR 137.3, or external loads as 
defined in 14CFR 133.1(b).

3 H3NE 
EQUIPMENT: The basic required equipment as prescribed in the applicable airworthiness regulations, 
(see Certification Basis) must be installed in each type helicopter for certification. In 
addition, the following is required: 
(1) SA 4047-70C-55-10 Operator's Manual dated September 14, 1984, as revised, for aircraft 
with GE CT7-2C engines. For aircraft with optional GE CT7-2D engines, SA 4047-70C-55-10 
Operator's Manual dated September 14, 1984, as revised, and Supplements No. 1 and No. 2, as 
revised, are required. For aircraft with optional T700-GE-701A engines, SA 4047-70C-55-10 
Operator's Manual dated September 14, 1984, as revised, and Supplement No. 1, as revised, are 
required. For S/N 701029, TM 551520-237-10B, Operator's Manual, dated June 22, 1992, as 
revised, is required. For aircraft with optional T700-GE-700 engines, U.S. Army TM 55-1520-
237-10, dated 8 January 1988, as revised, or U.S. Army TM 1-1520-237-10, dated 31 August 
1994, as revised, is required. 
(2) Marking requirements: FAR 91.31c (FAR 45). FAR 91.31c became FAR 91.9c in the 
recodification dated August 18, 1989. 
(3) Removal of equipment in accordance with the latest FAA approved Revision of Sikorsky 
Aircraft Kit Drawing No. 70080-00100 or 70080-95008, and replace with commercial 
equipment. Install GE CT7-2C engines or optional engines. See Notes 5 and 6. 
NOTE 1: Current weight and balance report, including list of equipment included in certificated 
empty weight, and loading instructions must be in each type helicopter at time of original 
airworthiness certification and at all times thereafter. 
NOTE 2: The following placard must be prominently displayed in the cockpit in full view of the 
pilots:  
"THIS ROTORCRAFT MUST BE OPERATED IN ACCORDANCE WITH THE 
RESTRICTED CATEGORY OPERATING LIMITATIONS OF FAR 91.39." FAR 91.39 
became FAR 91.313 in the recodification dated August 18, 1989. 
NOTE 3: Prior to the Civil Airworthiness Certification, compliance with Sikorsky Aircraft 
document number IILS-L-88-006, dated October 5, 1988, as revised, must be 
accomplished. 
NOTE 4: For S-70C helicopters with GE CT7-2C engines: Information essential to the proper 
maintenance is contained in U.S. Army TM 11-1520-237-23-1 through 3, as revised; TM 11-
1520-237-23P, as revised; TM 55-1520-237-23-1 through -10, as revised; TM 55-1520-237-23P, 
23P-1, and 23P-2, as revised; and TM 55-1520-237-PMS-1 and -2, as revised, as supplemented 
by SA 4047-70C-55-23-2-1 and SA 4047-70C-55-23-6-1, as revised. Information essential to the 
proper maintenance of these engines is contained in TM-55-2840-248-23, as revised, 
supplemented with General Electric Publication SEI 660, as revised. Component overhaul 
intervals and replacement times shall be in accordance with Table 1-5, Life Limited Components, 
of TM 55-1520-237-23-2, as revised, unless superseded by appropriate Airworthiness Directive. 
See NOTE 10. 
The U.S. Army replaced TM 55-1520-237-23-1 through -10 with a single manual, TM 55-
1520-237-23, composed of 18 chapters and 8 appendices divided into 8 volumes. Either 
set of TM's may be used. 
Information on civil aircraft serial number correlation to the U.S. Army serial numbers 
is contained in Sikorsky Letter TPL-W91-450, dated July 23, 1991, as revised or 
Sikorsky Engineering Report SER-51010189 dated 7 June 2016, as revised.. 
NOTE 5. The military equipment is to be removed and replaced with commercial equipment in 
accordance with the latest FAA approved revision of Sikorsky Aircraft Kit Drawing No. 70080-
00100 or 70080-95008.

H3NE 4 
For S -70C helicopters with GE CT7 -2D engines: Information essential to the proper  
maintenance is contained in SA 4047-70C-55-23-1 through -10, as revised; SA 4047-70C-55- 
NOTE 6: Optional engines eligible for installation in the Model S-70C and the applicable 
limitations: 
Engines: 2 General Electric T700-GE-701A or 2 General Electric CT7-2D, or 2 General 
Electric T700-GE-700. 
Fuel: JP-4, JP-5, JP-8, Jet A, Jet A-1, or Jet B. 
Engine Limits for T700-GE-701A 
SHAFT HP  POWER TURBINE GAS GEN. POWER TURBINE  
(S.L. STD.) RPM RPM INLET (TGT) 
Contingency Rated Power (CRP) 
(2 1/2 min. OEI) 
Maximum Rating 
(10 min. dual) 
Intermediate Rated Power 
(IRP) (30 min. dual) 
Maximum Continuous Power 
(MCP)  
1,723 20,900 44,700 917o C 
1,715 20,900 44,700 882o C 
1,694 20,900 44,700 867o C 
1,510 20,900 44,700 804o C 
Engine Limits for CT7-2D: 
SHAFT HP POWER TURBINE GAS GEN. POWER TURBINE  
(S.L. STD.) RPM RPM INLET (TGT) 
2 1/2 min. power (OEI) 1,725 20,900 46,070 911o C 
30 min. power (OEI) 1,625 20,900 45,430 873o C 
Take-off (5 min.) 1,625 20,900 45,430 873o C 
Maximum Continuous 
(MCP) 
1,595 20,900 45,240 858o C 
Engine Limits for T700-GE-700: 
SHAFT HP POWER TURBINE GAS GEN. POWER TURBINE  
(S.L. STD.) RPM RPM INLET (TGT) 
Military Power 
(30 min) 
1,561 20,900 44,700 850o C 
 
Normal Cont. Cruise 1,318 20,900 44,700 775o C 
NOTE 7 For S-70C helicopters with T700-GE-701A engines: Information essential to the proper 
maintenance is contained in SA 4047-70C-55-23-1 through -10, as revised, and Supplement 
No. 1, as revised, to each of those publications; SA 4047-70C-55-PMS-1 through -2, as 
revised, and Supplement No. 1, as revised, to each of those publications; SA 4047-70C-55-
23P, as revised, SA 4047-70C-11-23-1 through -3, as revised, and SA 4047-70C-11-23P, as 
revised, and Supplement No. 1, as revised, to each of those publications. Information essential 
to the proper maintenance of the engines is contained in General Electric publications SEI-
671 and SEI-675, as revised, and U.S. Army TM 1-2840-248-23&P, as revised. Component 
replacement times shall be in accordance with SA 4047-70C-55-23-2, as revised, and 
Component replacement times shall be in accordance with Sikorsky Customer Service Notice 
No. 70-6, as revised. The U.S. Army replaced TM 55-1520-237-23-1 through -10 with a 
single manual, TM 55-1520-237-23, composed of 18 chapters and 8 appendices, divided into 
8 volumes. Either set of TM's may be used. (See NOTE 10) 
5 H3NE

H3NE 6 
PMS-1 through -2, as revised; SA 4047-70C-55-23P, as revised; and appropriate Supplements 
No. 2, as revised, to those publications; SA 4047-70C-11-23-1 through -3, as revised; and SA 
4047-70C-11-23P, as revised. Information essential to the proper maintenance of the engines is 
contained in General Electric Publications SEI-569, SEI-570 and SEI-690. Component 
replacement times shall be in accordance with SA 4047- 70C-55-23-2, as revised, and 
Supplement No. 2, as revised, unless superseded by appropriate Airworthiness Directive. 
Component overhaul intervals shall be in accordance with Sikorsky Customer Service Notice 
No. 70-6. The U.S. Army replaced TM 55 -1520-237-23-1 through -10 with a single manual, 
TM 55 -1520-237-23, composed of 18 chapters and 8 appendices, divided into 8 volumes. 
Either set of TM's may be used. (See NOTE 10) 
For S -70C helicopters with T700-GE -700 engines: Information essential to the proper 
maintenance is contained in the U.S. Army Manuals listed in NOTE 10. 
Information on civil aircraft serial number correlation with U.S. Army serial numbers is 
contained in Sikorsky Letter TPL -W91-450, dated July 23, 1991, as revised or Engineering 
Report SER-51010189 dated 7 June 2016, as revised . 
NOTE 8: S-70C aircraft not modified with Stabilator Amplifier P/N 70902-02001-045, Pitot Static 
Probe Support Assembly P/N 70219-02141-041 (left side), -042 (right side), and Pitot 
Static Probe Fairing Assembly P/N 70219-02141-043 (left side), -044 (right side), and 
engine shaft stud balance (MWO 55-1520-237- 50-58 or MWO 55-1520-237-50 -73 are 
restricted to 20,250 pounds gross weight. 
NOTE 9: S-70C derivatives of UH -60L aircraft may be operated at gross weights  up to 23,500 
pounds during external load operations, and hook loads up to 9,000 pounds in accordance 
with U.S. Army aviation Safety Message 051326Z Jul 94, or appropriately revised FAA 
approved Operator's Manual. U.S. Army Safety Message 051326Z Jul 94, Serial Number 
91-26354 is Sikorsky Serial Number 701656 and Serial Number 91-26421 is Sikorsky 
Serial Number 701771. 
NOTE 10.  The following table lists equivalent sets of technical data approved for proper 
maintenance of the aircraft: 
    
 
U.S. Army Manuals 
Old New 
S-70 Commercial Manuals 
TM 55-1520-237-10 TM 1-1520-237-10 FAA Approved RFM 
TM55-1520-237-MTF TM 1-1520-237-MTF Not Applicable 
TM 55-1520-237-CL TM 1-1520-237-CL Not Applicable 
TM 55-1520-237-PMS-1 TM 1-1520-237-PMS-1 TM 1-70-PMS-1 
TM 55-1520-237-PMS-2 TM 1-1520-237-PMS-2 TM 1-70-PMS-2 
TM 55-1520-237-23 TM 1-1520-237-23 TM 1-70-23 and 
  TM 1-70-23AW -2 
TM 55-1520-237-T TM 1-1520-237-T TM 1-70-T 
TM 55-1520-237-23P TM 1-1520-237-23P TM 1-70-23P 
TM 11-1520-237-23 TM 11-1520-237-23 TM 11-70-23 
TM 11-1520-237-23P TM 11-1520-237-23P TM 11-70-23P 
TM 55-2840-248-23 & P TM 1-2840-248-238P Not Applicable

The initial publication date of the U.S. Army TM 1 series was 31 August 1994. 
The initial publication date of the Sikorsky TM-1 series was 31 August 1994. 
 
NOTE 11. The CT7-2C is no longer an active engine model.  
 
 
NOTE 12: For aircraft equipped with optional engines: (UH -60L derivative  only) 
ENGINES: 2 General Electric T700-GE-701D/CC  
FUEL: Aviation Kerosene JP-4, JP-5, JP-8, Jet A, Jet A1, or Jet B 
ENGINE LIMITS 
 SHAFT HP  
(S.L. STD.) 
POWER TURBINE  
RPM/% 
GAS. GEN.  
RPM/% 
TURBINE GAS  
TEMP. oC 
Contingency Rated 1,940 20,900/100 44,700 /102 903 
Power (CRP)     
2 1/2 min. OEI)     
Maximum Rating 1,890 20,900/100 44,700/102 878 
(10 min. dual     
Intermediate Rated 1,800 20,900/100 44,700/102 851 
Power     
(IRP) (30 min. dual)     
Maximum Continuous 1,662 20,900/100 44,700/102 810 
Power (MCP      
TRANSMISSION LIMITS: TORQUE  
135% Single Engine (No time limits) 
120% Dual Engine (No time limits) 
Other Operating Limitations   U.S. Army TM 1-1520-237-10, UH-60A, UH-60L, EH-60A Operator's 
Manual, dated August 31, 1994, as revised, and Sikorsky Supplements C-4 and C-5, dated October 
26, 1990, as revised. For aircraft Serial Numbers 701825 and 701835, TM 55-1520-237-10HK, dated 
October 29, 1992, as revised, is applicable. 
 
 
Equipment:  Each type certificated helicopter with T700-GE-701D/CC engines installed must be 
equipped with U.S. Army TM-1-1520-237-10, UH-60A, UH-60L, EH-60A Operator's Manual, dated 
August 31,1994, as revised, and Sikorsky supplements No. C-4 and C-5, dated October 26, 1990, as 
revised. For aircraft serial numbers 701825 and 701835, TM 55-1520-237-10HK Operator's Manual 
dated October 29, 1992, as revised, is applicable. 
 
Removal and replacement of equipment is in accordance with Sikorsky Aircraft Kit Drawing No. 70010-
00003 (Dash number as applicable). 
Information essential to the proper maintenance of the aircraft is contained in the following U.S. Army 
publications, as revised: TM 11-1520-237-23-1, -2, and -3, dated June 10, 1989; TM 55-1520-237-23, 
Volumes 1 through 8, dated August 29, 1989; TM 55-1520-237T, dated August 29, 1989; TM 55-1520-
237-PMS-1, dated June 30, 1990; TM 55-1520-237-PMS-2, dated August 30, 1990; TM 55-1520-237-
CL, dated June 10, 1989; TM 55-1520-237-MTF, dated November 13, 1990; and Sikorsky supplement 
C-7 to these publications. Information essential to the proper maintenance of the T700-GE-701D/CC 
engines is contained in U.S. Army TM 1-2840-248-23&P, as revised and General Electric Publication 
SEI-671, as revised. Component overhaul and replacement times shall be in accordance with U.S.

Army TM 55-1520-237-23, Volume 1, Chapter 1, Table I-II, dated August 29, 1989, as revised, and 
Sikorsky supplement C-7 to this publication, unless superseded by appropriate airworthiness directive.  
Alternate information essential to the proper maintenance of the aircraft is contained in the following U.S. 
Army publications, as revised: TM 11-1520-237-23-1, -2, and -3, dated April 30, 1979; TM 55-1520-23723-
1, dated December 8, 1987; TM 55-1520-237-23-2 through -10, dated December 29, 1978; TM 55-1520-
237-PMS-1, dated July 14, 1988; TM 55-1520-237-PMS-2, dated April 12, 1988; TM 55-1520-237-CL, 
dated August 15, 1987; TM 55-1520-237-MTF, dated January 8, 1988; and Sikorsky Supplement C-1 to 
these publications. Information essential to the proper maintenance of the T700-GE-701D/CC engines is 
contained in U.S. Army TM 1-2840-248-23&P, dated December 31, 1981; as revised and General Electric 
Publication SEI-671, as revised. Component overhaul and replacement times shall be in accordance with 
U.S. Army TM 55-1520-237-23-2, dated December 29, 1978; and Sikorsky Supplement C-1 to this 
publication, unless superseded by appropriate Airworthiness Directive.  
The U.S. Army replaced TM 55-1520-237-23-1 through -10 with a single manual, TM 55-1520-237-23, 
composed of 18 chapters and 8 appendices divided into 8 volumes. Either set of TM's may be used. 
(See NOTE 10) 
Information on civil aircraft serial number correlation to U.S. Army serial numbers is contained in 
Sikorsky Letter TPL-W91-450, dated July 23, 1991, as revised or Sikorsky Engineering Report SER-
51010189 dated 7 June 2016, as revised.

NOTE 13: For aircraft equipped with optional engines: (UH -60A derivative only)  
ENGINES: 2 General Electric T700-GE-701D/CC  
FUEL: Aviation Kerosene JP-4, JP-5, JP-8, Jet A, Jet A1, or Jet B 
ENGINE LIMITS 
 SHAFT HP  
(S.L. STD.) 
POWER TURBINE  
RPM/% 
GAS. GEN.  
RPM/% 
TURBINE GAS  
TEMP. oC 
Contingency Rated 1,940 20,900/100 44,700 /102 903 
Power (CRP)     
2 1/2 min. OEI)     
Maximum Rating 1,890 20,900/100 44,700/102 878 
(10 min. dual     
Intermediate Rated 1,800 20,900/100 44,700/102 851 
Power     
(IRP) (30 min. dual)     
Maximum Continuous 1,662 20,900/100 44,700/102 810 
Power (MCP      
TRANSMISSION LIMITS: TORQUE  
135% Single Engine (No time limits) 
120% Dual Engine (No time limits) 
EQUIPMENT:  Removal and replacement of equipment in accordance with Sikorsky Aircraft 
Drawings as listed below: 
70351-48100 or 70351-58100 (Main Gearbox) 
70070-55238-014   INSTRUMENT PANEL 
70000-30100-043  HARDWARE SET 
70070-30258-013  MOD KIT 
70070-60220-014  KIT ENG HARNESS 
70070-30258-015  MOD KIT 
70070-30258-025  TUBE INSTL 
70070-60220-013  CONVERTER 
70070-60220-016   OVERHEAD CONSOLE 
70070-60485-012  AVIONICS 
70550-01126-075  AVIONICS 
70550-01126-076  AVIONICS 
70070-40037-015  FLIGHT CONTROLS KIT 
70070-40037-016  FLIGHT CONTROLS KIT 
70070-40039-011  MIXER ASSY KIT. 
70070-30258  ENGINE INSTALL 
Other Operating Limitations:  U.S. Army TM 1-1520-237-10, UH-60A, UH-60L, EH-60A Operator's 
Manual, dated August 31, 1994, as revised, and Sikorsky Supplements C-4 and C-5, dated October 
26, 1990, as revised. For aircraft Serial Numbers 701825 and 701835, TM 55-1520-237-10HK, dated 
October 29, 1992, as revised, is applicable. 
 
 
Equipment:  Each type certificated helicopter with T700-GE-701D/CC engines installed must be 
equipped with U.S. Army TM-1-1520-237-10, UH-60A, UH-60L, EH-60A Operator's Manual, dated 
August 31,1994, as revised, and Sikorsky supplements No. C-4 and C-5, dated October 26, 1990, as

revised. For aircraft serial numbers 701825 and 701835, TM 55-1520-237-10HK Operator's Manual 
dated October 29, 1992, as revised, is applicable. 
 
Removal and replacement of equipment is in accordance with Sikorsky Aircraft Kit Drawing No. 70010-
00003 (Dash number as applicable). 
Information essential to the proper maintenance of the aircraft is contained in the following U.S. Army 
publications, as revised: TM 11-1520-237-23-1, -2, and -3, dated June 10, 1989; TM 55-1520-237-23, 
Volumes 1 through 8, dated August 29, 1989; TM 55-1520-237T, dated August 29, 1989; TM 55-1520-
237-PMS-1, dated June 30, 1990; TM 55-1520-237-PMS-2, dated August 30, 1990; TM 55-1520-237-CL, 
dated June 10, 1989; TM 55-1520-237-MTF, dated November 13, 1990; and Sikorsky supplement C-7 to 
these publications. Information essential to the proper maintenance of the T700-GE-701D/CC engines is 
contained in U.S. Army TM 55-2840-248-23, dated December 31, 1981, as revised and General Electric 
Publication SEI-671, as revised. Component overhaul and replacement times shall be in accordance with 
U.S. Army TM 55-1520-237-23, Volume 1, Chapter 1, Table I-II, dated August 29, 1989, as revised, and 
Sikorsky supplement C-7 to this publication, unless superseded by appropriate airworthiness directive. 
(See NOTE 10) 
Alternate information essential to the proper maintenance of the aircraft is contained in the following U.S. 
Army publications, as revised: TM 11-1520-237-23-1, -2, and -3, dated April 30, 1979; TM 55-1520-23723-
1, dated December 8, 1987; TM 55-1520-237-23-2 through -10, dated December 29, 1978; TM 55-1520-
237-PMS-1, dated July 14, 1988; TM 55-1520-237-PMS-2, dated April 12, 1988; TM 55-1520-237-CL, 
dated August 15, 1987; TM 55-1520-237-MTF, dated January 8, 1988; and Sikorsky Supplement C-1 to 
these publications. Information essential to the proper maintenance of the T700-GE-701D/CC engines is 
contained in U.S. Army TM 55-2840-248-23, dated December 31, 1981; as revised and General Electric 
Publication SEI-671, as revised. Component overhaul and replacement times shall be in accordance with 
U.S. Army TM 55-1520-237-23-2, dated December 29, 1978; and Sikorsky Supplement C-1 to this 
publication, unless superseded by appropriate Airworthiness Directive. (See NOTE 10). 
The U.S. Army replaced TM 55-1520-237-23-1 through -10 with a single manual, TM 55-1520-237-23, 
composed of 18 chapters and 8 appendices divided into 8 volumes. Either set of TM's may be used. 
(See NOTE 10) 
Information on civil aircraft serial number correlation to U.S. Army serial numbers is contained in 
Sikorsky Letter TPL-W91-450, dated July 23, 1991, as revised or Sikorsky Engineering Report SER-
51010189 dated 7 June 2016, as revised. 
. 
END
```

## ADs

None name its models.

## STCs approved under this data sheet (23)

- [STC SR12058AK](https://openairdocs.org/stc/SR12058AK): Installation of Recoil Aerospace, Inc. T750-I Internal Fire Suppression Tank. Recoil Aerospace Inc.
- [STC SR12471AT](https://openairdocs.org/stc/SR12471AT): Installation of RMCI Health Useage and Monitoring System (HUMS). RMCI Inc.
- [STC SR00903DE](https://openairdocs.org/stc/SR00903DE): Installation of Left and Right, Hand Hold, Step and Step Fairing modification. Blackhawk Mission Equipment
- [STC SR12380LA](https://openairdocs.org/stc/SR12380LA): Installation of Aerocraft's External Load Mount Kit (ARC-H60ELM). Aerocraft Incorporated
- [STC SR04461CH](https://openairdocs.org/stc/SR04461CH): Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System. Helitak USA, LLC
- [STC SR02794LA](https://openairdocs.org/stc/SR02794LA): Installation of Ballast Box. Aerocraft Incorporated
- [STC SR02767LA](https://openairdocs.org/stc/SR02767LA): Installation of H-60 Electric APU Starter Modification to replace the original equipment hydraulic APU starter system on Restricted Category H-60 Firefighting and Utility Helicopters. Aerocraft Inc.
- [STC SR02764LA](https://openairdocs.org/stc/SR02764LA): Installation of lift kit. Aerocraft Incorporated
- [STC SR02544LA](https://openairdocs.org/stc/SR02544LA): Installation of a left side bubble window and a modified left side main landing gear fairing. Aerocraft Incorporated
- [STC SR02744SE](https://openairdocs.org/stc/SR02744SE): Installation of BLR FastFin System. BLR Aerosapce LLC
- [STC SR00919DE](https://openairdocs.org/stc/SR00919DE): Installation of Left and Right Pulse Light. Blackhawk Mission Equipment
- [STC SR02584AK](https://openairdocs.org/stc/SR02584AK): Installation of Recoil Aerospace, Inc. T1000-E or T650-E Fire Suppression Tank. Recoil Aerospace Inc.
- [STC SR04618CH](https://openairdocs.org/stc/SR04618CH): Installation of Luma Technologies LT-4082 and LT-4106 series 82 and 106 Station Integration LED Display Panels with LT-2205 and LT-2206 series 5 and 6 Station LED Display/Reset Panels. Luma Technologies LLC
- [STC SR00848DE](https://openairdocs.org/stc/SR00848DE): The installation of a bubble window as a direct replacement for the existing window in the left hand side Cockpit door. Blackhawk Mission Equipment
- [STC SR00933DE](https://openairdocs.org/stc/SR00933DE): Installation of internal firefighting water tank and snorkel. Blackhawk Mission Equipment
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR02760LA](https://openairdocs.org/stc/SR02760LA): Installation of Aerocraft Incorporated H-60 Blackhawk Helicopter Cargo Basket. Aerocraft Inc
- [STC SR02617SE](https://openairdocs.org/stc/SR02617SE): Installation of a Mechanical Specialties Model 909 Cargo Hook. Mechanical Specialties Inc
- [STC SR04422CH](https://openairdocs.org/stc/SR04422CH): Installation of NASI NTEC36TM Cooling System in accordance with Master Data List (MDL) as listed on AML No. SR04422CH, or later FAA approved revision.. National Aircraft Service Inc
- [STC SR01952NY-D](https://openairdocs.org/stc/SR01952NY-D): Installation of a replacement boarding step.. Sikorsky Aircraft Corporation
- [STC SR02068SE](https://openairdocs.org/stc/SR02068SE): Installation of a modified Sikorsky L/H Step Fairing P/N 70215-02319-043 manufactured and installed.. Firehawk Helicopters Inc.
- [STC SH3711SW](https://openairdocs.org/stc/SH3711SW): Installation of a 25 inch or a 50 inch retractable step.. Sikorsky Aircraft
- [STC SR00896DE](https://openairdocs.org/stc/SR00896DE) (historical): The installation of a bubble window with view port as a direct replacement for the existing window in the left hand side
Cockpit door. Blackhawk Mission Equipment

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