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Sigma-Tek 3-1/8 Dg 4000Hr 2 Heading
MFR Model# 1U262-007-40
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| Sigma-Tek PN | Model | Airplane Color | Index Markers | Dial @ 30 Degrees | Letters @ 90 Degrees | Lighted | Heading Reminder | Our PN |
|---|---|---|---|---|---|---|---|---|
| 1U262-007-40 | 4000HR-2 | Orange | Orange | White | X | X | 10-00469 |
Overview
|
The 4000HR air-driven directional gyro offers some of the best features of our other popular models. It inherited all of the functionality and reliability of the industry standard 4000B upon which it’s based, and it picked up a heading reference bug from the 4000C autopilot model.
Many pilots find the heading reminder a valuable feature whenever the cockpit is busy, such as during an approach with heavy ATC traffic. Setting a new heading during a long, cross-country flight eliminates the tedious math associated with frequent navigational crosschecks. A quick glance at the instrument instantly reminds the pilot of his heading. The heading bug can be positioned anywhere around the heading card by turning the right knob. Note: Lighted instruments do not include lamp trays, see accessories. |
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The Sigma-Tek 4000B / 4000HR Series Directional Gyros are TSO'D and suitable for certified airplanes.
Please see Part # 10-03359 for overhauled Sigma-Tek Directional Gyros and acceptable core information.
Yes, these Sigma Tek gyros are FAA TSO Approved for use in certified aircraft.
This is a vacuum driven gyro. Yes it is TSO'd for use in certified aircraft.
Dimensions are:
Height: 3.25"
Width: 3.38"
Depth: 6.68" (max)
These Sigma Tek DGs have a connector on the back. It has two ports for air inlet and vacuum.
8130 is not included with this instrument. It can be requested at time of order, additional charges will apply.
Yes, the core charge is billed upfront with the purchase of the gyro. When you return your old gyro the core charge is refunded to you. You will receive an RMA in the box to send back your old gyro for core credit.
Physically these are the same size, however, the airplane color and display will be different. 4000HR series are different colors schemes.
