# TCDS 1H3: Kaman Aerospace Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Kaman Aerospace Corporation
- Revision: 2
- Revised: February 16, 1960
- Product: Aircraft, Rotorcraft
- Certification basis: CAR 6
- Data sheet PDF: https://openairdocs.org/files/sha256/c1/3b/c13b2b708eadd010edd2491202a080a67a73385c896ae21d74d3a7fad9efec95
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/75FCC14A8CAD36AB85256715006A5DDD.0001
- Page: https://openairdocs.org/tcds/1H3

## Models (1)

As the data sheet lists them.

- K-240 (Military HTK-1)

## 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 No. 1 2
Rev No. 2 2
FEDERAL AVIATION AGENCY
1H3
Revision 2
KAMAN
K-240
(Military HTK-1)
February 16, 1960
HELICOPTER SPECIFICATION NO. 1H3
Manufacturer The Kaman Aircraft Corp.
Bradley Field
Windsor Locks, Connecticut
I - Model K-240 (Military HTK-1) Approved August 15, 1952
Engine Lycoming O-435-K1
Fuel 91/96 min. octane aviation gasoline
Engine limits Maximum rpm (for all operations) 3200 (250 hp)
Rotor limits Maximum 260
Minimum 205
Airspeed limits Never exceed 75 knots CAS
C.G. range (101.0) to (106.0)
Empty weight C.G. range None
Maximum weight 3000 lbs.
No. seats 2 (pilot, copilot) (58.5).  Model HTK-1 incorporates attendant's seat at (79).
Maximum baggage None
Fuel capacity 40 gals. (109)
Oil capacity Engine oil 3 gals. (137), main transmission oil 1.5 gals. (107), nose transmission oil 0.1
gals.
Rotor blade movements For rigging information refer to the Maintenance Manual
Serial Nos. eligible 1 and up manufactured prior to September 1, 1959.Approval expired as of that date.
Required equipment In addition to the pertinent required basic equipment specified in CAR 6, the following
items of equipment must be installed: 101, 102, 103, 201(a), 202, 205(a), 206, 301,
302,
303, 304, 401
Specifications Pertinent to All Models
Datum 109.0 in. forward of rotor drive shaft centerline
Leveling means Leveling lugs located on the two diagonal members at the right hand side of the
transmission section.

1H3 2
Certification basis Type Certificate No. 1H3 (Expired September 1, 1959) (CAR 6, March 1, 1950 and
Amendment 6-1)
Production basis None.  Prior to original a FAA representative must perform a detailed inspection for
workmanship, materials, and conformity with the approved technical data, and a check
of the flight characteristics.
Export eligibility Eligible for export to all countries subject to the provisions of MOP 2-4.
Equipment: A plus (+) or minus (-) sign preceding the weight of an item, indicates net weight
change when that item is installed.
Engine and Engine Accessories - Fuel and Oil System
101. Starter - Eclipse 36E22-2 16 lbs. (116.5)
102. Three oil coolers, Harrison AP11AU06-3 18 lbs. (151)
103. Engine cooling fan and clutch, Kaman Dwg. K474200 44 lbs. (157.5)
Landing Gear
201. Two main wheel-brake assemblies, 5.00-5, Type III
(a) Goodyear Model L5HBM 11 lbs. (129)
Wheel Assembly No. 9520265
Brake Assembly No. 9520425
202. Two main wheel 6-ply rating tires, 5.00-5, Type III, with regular tubes 8 lbs. (129)
205. Two nose wheel assemblies, 10.00, Type I
(a) Goodyear Wheel Assembly No. 510646M  3 lbs. (55)
206. Two nose wheel 4-ply rating tires, 10.00, Type I, with regular tubes 4 lbs. (55)
Electrical Equipment
301. Battery, 24AH, AN3151-2 49 lbs. (91)
302. Generator, 50A, 30V, Eclipse-Pioneer 3OEO1-1-A 24 lbs. (98)
303. Inverter, 100VA, 115V, 3 phase, 400 cycle 6 lbs. (65)
304. Landing lights, AN3095-7 7 lbs. (73)
Interior Equipment
401. CAA Approved Helicopter Flight Manual dated August 15, 1952
NOTE 1. Current weight and balance report including list of equipment included in certificated weight empty, and
loading instructions must be in each helicopter at the time of original certification and at all times
thereafter.  In the case of air carrier operators having an approved weight control system, the weight and
balance report need not be in the helicopter.  When changes are made to the helicopter which affect weight
and balance, see instructions contained in Section IV of the Flight Manual.
NOTE 2. The following placards must be displayed on the instrument panel in full view of the pilot.
(a) "This helicopter must be operated in accordance with the operating limitations specified in the CAA
approved Rotorcraft Flight Manual."
(b) "No acrobatic maneuvers approved."
(c) "Instrument flight prohibited."
(d) "Above 2000 feet, reduce Vne 3 knots per thousand feet."
NOTE 3. Information essential to the proper maintenance of the helicopter including retirement times of critical parts
is included in the manufacturer's maintenance manual provided with each helicopter.
NOTE 4. Prior to civil certification of the Model HTK-1, the Civil Aeronautics Administration should be contacted
for information regarding modifications to be accomplished.
....END....
```

## ADs (3, in force first)

- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 59-10-06](https://openairdocs.org/ad/59-10-06): Wood Check Plate Rotor Blades · Kaman Aerospace K-240
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021

## Registered aircraft by registry model (OpenAirDocs)

- [Kaman HTK-1](https://openairdocs.org/model/kaman-htk-1): 0 aircraft (registry code 4800504)
- [Kaman K240](https://openairdocs.org/model/kaman-k240): 0 aircraft (registry code 4800502)

## STCs approved under this data sheet (4)

- [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 SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.. Whelen Aerospace Technologies
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC

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