# TCDS H7NE: WSH, LLC

- Type: Type certificate data sheet
- Status: Current
- Holder: WSH, LLC
- Revision: 6
- Revised: June 11, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Registered aircraft: 1, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/5c/fd/5cfd63a8eec3f197a2c680b5ec39fec1fc38f19fa1f697d1232f112ede498e00
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159939615320260827174933.0001
- Page: https://openairdocs.org/tcds/H7NE

## Models (2)

As the data sheet lists them.

- UH-1F
- TH-1F

## What the data sheet says

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

```text
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
H7NE 
 
Revision 6 
 
WSH, LLC 
   
UH-1F, TH-1F 
 
June 11, 2026.           
 
TYPE CERTIFICATE DATA SHEET NO. H7NE 
 
This data sheet which is a part of type certificate Number H7NE, prescribes conditions and limitations under 
which the product for which the type certificate was issued meets the airworthiness requirements of the 
Federal Aviation Regulations. 
 
 
TYPE CERTIFICATE HOLDER:   WSH, LLC 
       3255 S. Bodenburg Loop 
       Palmer, AK 99645 
 
TYPE CERTIFICATE HOLDER RECORD: Tamarack Helicopters, Inc. 
     P.O. Box 899 
     Victor, MT 59878-0899 
 
Model UH-1F, TH-1F Approved (Restricted Category) 
 
Engine General Electric T58-GE-3 
 
Fuel  JP-4, (Mil-T-5624); Jet A-1 (ASTM Type A-1) 
 JP-5 (Mil-T-5624G); Jet B (ASTM Type B) 
Engine Limits  Torque  Output  Exhaust  Gas 
  Pressure  Horsepower Gas Temp Gen Speed 
  (P.S.I.)  (H.P.)  (C)   (R.P.M) 
 
                       Take off (5 min)  67  1,100  690  102.5% 
                       Continuous  54  888  635  Limited by EGT 
 
Roto Limit      Power off  Power On 
                        Maximum 339 r.p.m  Maximum 317 r.p.m 
                        Minimum  295 r.p.m               Minimum  295 r.p.m 
 
Airspeed Limits VNE (Never Exceed Speed) is 120 knots IAS at a gross weight of 7, 000 lbs., or 
less, at sea level to 2, 000 feet density altitude, standard day. For reduction of 
VNE and density altitude and weight, see Figure 5-2 of USAF T.O IH-1(U) F-1 
(UH-1F) or Tamarack Flight Manual Number F-1 (TH-1F). For additional 
airspeed limits see appropriate Rotorcraft Flight Manual. 
 
 Above 70 knots, 6,200 TI 6,450 Engine RPM required. 
 
 
Page No. 1 2 3 4 5 6 
Rev. No. 6 5 4 5 4 4

H7NE 2 of 6 
C.G. Range LONGITUDINAL C.G. LIMITS 
 (+127.0) to (+132.0) to 9,000 lbs. 
 (+125.0) to (+135.6) to 7,450 lbs. 
 (+125.0) to (+138.0) to 6,500 lbs. 
 (+130.0) to (+138.0) to 4,500 lbs. 
 
 
 
Maximum Weight: 9,000 lbs. 
 
Minimum Crew 1 
 
Maximum Baggage 400 lbs. in Tail Boom Compartment 
 
Fuel Capacity  245 Gallons Total (3.0 unusable) 
 
Oil System Capacity 5.4 Gallons Total (0.8 unusable) 
 
Rotor Blade & Eligible Refer to USAF T.O. 1H-1(U)F-2-1 
 
Serial Numbers Eligible See Tamarack Report Number SN-1 dated May 30, 2001, or later FAA approved 
revision for a list of applicable rotorcraft serial numbers. 
 
Datum 7.6 inches aft of aircraft nose 
 
Leveling Means Drop plumb bob from “Key Hole” slot in upper left door still. Reference USAF T.O. 
1H-1(U)F-5. 
 
 
Certification Basis FAR 21.25(a)(2) effective February 1, 1965, including Amendments 21-1 through 
21.42. Type Certificate Number H7NE for the purpose of. 
 
1. Agricultural Operations under FAR 21.25(b)(1) for the purpose of spraying 
dusting, seeding and livestock and predatory animal control.

E2WE 3 of 6  
Note: In accordance with far 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 except FAR 36.1(a)(4), and defined 
under FAR 137.3 
 
2. Forget and Wildlife Conservation Operations under FAR 21.25(b)(2) for the 
purpose of dispensing fire fighting materials and/or carrying external loads 
 
Note: In accordance with FAR 36.1(a)(4), compliance with the noise 
requirements was not shown. Therefore, aircraft certificated under this type 
certificate are only eligible for dispensing fire fighting materials excepted by 
FAR 36.1(a)(4) and defined under FAR 137.3. 
 
3. External Load Operation under FAR 21.25(b)(7). 
 
Note: In accordance with FAR 36.1(a)(4), compliance with the noise 
requirements was not shown. Therefore, aircraft certificated under this type 
certificate are only eligible for external loads operations excepted by FAR 
36.1(a)(4) and defined under FAR 133.1(b) 
 
General Note: Any alteration to the aircraft for Special Purposes not identified 
above require further FAA approval and in addition may require noise and/or 
flight testing. 
 
Production Basis  Note. No helicopter may be produced under this approval (See Notes 1 and 2). 
 
Equipment The basic equipment required as prescribed in the applicable airworthiness 
regulations (see certification basis) must be on each helicopter for certification. The 
following documents must be available in each type of helicopter for certification. 
 
1. A copy of the appropriate Flight Manual. 
 
UH-1F: USAF:   Flight Manual Number T.O. 1H-1(U) F-1, dated January 29, 
1987, with Operation Supplement Number T.O. 1H-1(U) F-
1S-131, dated March 2, 1987. 
 
TH-1F: Tamarack Flight Manual Number F-1, January 14, 2000, or 
later FAA approved revision. 
 
2. Current Weight and Balance Report (See NOTE 5). 
 
1. Prior to civil certification, the following must be accomplished for each helicopter: 
 
A. An FAA representative must perform an inspection for workmanship, material and conformity with the 
approved technical data: 
 
              UH-1F:  Ranger Report Number RHS-101, “Special Reconfiguration Build up”, dated March 3, 
1993. 
 
              TH-1F:          Tamarack Reconfiguration Report Number 101, dated May 8, 2000, or later FAA 
approved revisions (includes a listing of applicable USAF Time Compliance Technical 
Orders (TCTO) and assure that the applicant has conducted a satisfactory functional 
flight check in accordance with USAF T.O. IH-1(U)F-6CF-1, dated April 30, 1986. 
 
B. An FAA representative must verify that:

H7NE 4 of 6 
                        UH-1F: 1) all inspections and modifications are accomplished by Ranger Helicopter 
Services, Inc. UH-1F Technical Directives, dated July 6, 1992, or later approved 
revisions, and  
 
 2) Compliance with all USAF TCTO’s and FAA Airworthiness Directives (AD) 
applicable to Bell Helicopter Textron, Inc. 204/205 series helicopters, and 
General Electric Model T58-GE-3 engine and any component installed thereon 
are reviewed for applicability and complied with accordingly. 
                       
TH-1F: All applicable FAA ADs for the Bell Helicopter Textron, Inc. Model 204/205 series 
helicopter and General Electric Model T58-GE-3 engine, and any components 
installed thereon have been compiled with. Refer to Tamarack Report Number AD-
1, dated May 30, 2001, or later FAA approved revision, for a listing of applicable 
airframe and engine Ads. Refer to Tamarack Report Number AD-2, dated April 28, 
2000, for a listing of those 204/205 helicopter and General Electric Engine Ads that 
are not applicable to the Tamarack Rotorcraft Designs. Refer to Tamarack Report 
Number M-2, dated January 14, 2000, for a listing of applicable USAF TCTO’s 
Refer to Tamarack Report Number M-3, dated January 14, 2000, for a listing of 
non-applicable USAF TCTO’s. 
 
C. In addition, each helicopter must pass an inspection for any possible hidden damage 
and the military records reviewed for acceptability of any repairs or alterations. 
 
D. The maintenance, overhaul, and modification records of each helicopter must be 
reviewed for military changes that may affect the airworthiness of the helicopter. 
 
E. After the required inspections, the aircraft must be found to be in a good state of 
preservation, repair, and in a condition for safe operation. 
 
2. This approval applies to: 
 
A. Basic Surplus Military UH-1F and TH-1F helicopters with no modifications 
except as required by: 
 
UH-1F: Ranger Report Number RHS-101, “Special Reconfiguration 
Build-up, “dated March 3, 1993. 
 
 TH-1F: Tamarack Reconfiguration, Report Number 101, dated May 
                                 2000, or later FAA approved revision. 
 
B. Only those helicopters with USAF serial numbers listed in Tamarack Report 
Serial Number -1, dated May 30, 2001, or later FAA approved revision. 
 
3. Helicopters must be serviced, maintained, inspected, repaired and overhauled in 
accordance with: 
 
UH-1F: USAF T.O. 1H-1(U)F-2-1 “Organization Maintenance, “Change 14, 
dated April 28, 1988, and T.O. 1H-1(U)F-6WC-2 and T.O.2J-T58-2WC-1. 
Limited Life and Overhaul schedules for helicopter components are included in 
USAF T.O. 1H-1(U)F-6. 
 
Further, continued airworthiness of the UH-1F helicopters is contingent upon 
compliance with all FAA AD’s applicable to Bell Helicopter Textron, Inc., 
Model T58-GE-3 engine and any component installed theron.

E2WE 5 of 6  
TH-1F: The documents specified in Tamarack Instructions Continued 
Airworthiness (ICA) Report Number ICA-1, dated February 4, 2000, or later 
FAA approved revision. Report Number ICA-1 is a part of Tamarack’s ICA. 
Limited Life and Overhaul schedules for helicopter components are included in 
Tamarack ICA Number ICA-1, Section II. 
 
Refer to Tamarack Report Number AD-1, dated May 30, 2001, or later FAA 
approved revision, for a listing of applicable airframe and engine AD’s. 
 
4. Helicopter will be operated in accordance with: 
 
UH-1F: USAF T.O. 1H-1(U)F-1, dated January 29, 1987, with Operational 
Supplement Number T.O. 1H-(U) F-1S-131, dated March 2, 1987. 
 
TH-1F: Tamarack Flight Manual Number F-1 dated January 14, 2000, or later 
FAA approved revision. 
 
5. A current weight and balance report including a list of the equipment included in 
the certificated empty weight, and loading instructions when necessary, must be 
provided for each aircraft at the time of original certification and at all times 
thereafter. Refer to USAF T.O. 1H-1(U)F-5, Change 7, dated December 12, 
1985. 
 
6. The following placards must be prominently displayed in the cockpit in full view 
of the pilots: 
 
Placard Number 1: 
 
“THIS ROTORCRAFT MUST BE OPERATED IN ACCORDANCE WITH 
THE RESTRICTED CATEGORY OPERATING LIMITATIONS OF FAR 
91.313.” 
 
Placard Number 2: 
 
“THIS HELICOPTER MUST BE OPERATED IN COMPLIANCE WITH THE 
OPERATING LIMITATIONS SPECIFIED IN THE APPROVED 
ROTORCRAFT FLIGHT MANUAL.” 
 
Placard Number 3: 
 
“VFR OPERATIONS ONLY.” 
 
7. This aircraft is prohibited from carrying cargo for compensation or hire. Carriage 
of cargo is limited to cargo that is incidental to the aircraft’s owner/operator’s 
business which is other than air transportation. 
 
8. Restricted Category aircraft may not be operated in a foreign country without the 
express written approval of that country. 
 
9. This aircraft has not been shown to meet the requirements of the applicable 
comprehensive and detailed airworthiness code as provided by Annex 8 to the 
Convention on International Civil Aviation.

H7NE 6 of 6 
10. Engine changes are allowed provided the replacement engine is of the same make 
and model identified in the TCDS. The replacement engine must have proper 
military records and have the applicable FAA Airworthiness inspection 
accomplished. 
 
 
---END---
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Tamarack Helicopters TH-1F](https://openairdocs.org/model/tamarack-helicopters-th-1f): 1 aircraft (registry code 1190003)
- [Tamarack Helicopters UH-1F](https://openairdocs.org/model/tamarack-helicopters-uh-1f): 0 aircraft (registry code 1190001)

## STCs approved under this data sheet (17)

- [STC SR01349LA](https://openairdocs.org/stc/SR01349LA): Installation of Honeywell (Lycoming) T53-L-13B/-13BA engine to replace General Electric T58-GE-3 engine or T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13B/-13BA engine. WSH, LLC
- [STC SR12332SE](https://openairdocs.org/stc/SR12332SE): Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System. Mechanical Specialties, LLC
- [STC SR00143DE](https://openairdocs.org/stc/SR00143DE): Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003. Midwest Aerospace TC LLC
- [STC SR00713SE](https://openairdocs.org/stc/SR00713SE): Installation of Onboard Systems International Cargo Hook Kit. Onboard Systems International
- [STC SR02492LA](https://openairdocs.org/stc/SR02492LA): Installation of a Helicopter Technology Company main rotor blade assembly. Helicopter Technology Co
- [STC SR00929SE](https://openairdocs.org/stc/SR00929SE): Fabrication of tail boom mounted strakes.. BLR Aerospace LLC.
- [STC SR01039SE](https://openairdocs.org/stc/SR01039SE): Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system. BLR Aerospace LLC.
- [STC SR01470SE](https://openairdocs.org/stc/SR01470SE): Fabrication and Installation of  Fast Fin System.. BLR Aerospace LLC.
- [STC SR03408CH](https://openairdocs.org/stc/SR03408CH): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103. Airwolf Aerospace LLC
- [STC SR02594LA](https://openairdocs.org/stc/SR02594LA): Installation of a main rotor strap fitting, part number 204-012-102-009. Salmon River Helicopters
- [STC ST04270AT](https://openairdocs.org/stc/ST04270AT): Install the VTOL ASSALT  V3 Windscreen Laminate Kit. VTOL LLC
- [STC SR00767SE](https://openairdocs.org/stc/SR00767SE): Fabrication of Helipro spar replacement system. Vector Aerospace Helicopter Services USA Inc.
- [STC SR02051LA](https://openairdocs.org/stc/SR02051LA): Installation of a VAn Horn Aviation Tail Rotor Blade.. Van Horn Aviation LLC
- [STC SR09257RC](https://openairdocs.org/stc/SR09257RC): Fabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-800, Revision D, dated March 26, 2001, or later FAA approved revision.. Global Spar LLC
- [STC SR00103SE](https://openairdocs.org/stc/SR00103SE): Installation of Aviation Development Corporation oil filter. Aviation Development Corporation
- [STC SR01298NY](https://openairdocs.org/stc/SR01298NY): Installation of replacement crosstubes P/N D212-664.. Dart Aerospace Limited
- [STC SR00563NY](https://openairdocs.org/stc/SR00563NY): Installation of Skidtubes and associated saddles. Dart Aerospace Limited

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
