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PRECISION VERTICAL CARD COMPASS PAI-700

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Overview

Note: Compass deviation card is included.

The Precision Vertical Card Compass for todays aircraft. It is a dry compass, designed to replace the float/liquid type compass -- no more leaking fluid or backward azimuth readings. It uses eddy current damping and as such has no overshoot. Consists of a 2" vertical rotating dial which is compared with a fixed miniature airplane (lubber line) to present the magnetic heading of the aircraft at all times. Heading information is more natural because the heading is read at the12 o'clock position and off the nose of the miniature aircraft.

The compass card rotates and presents all quadrants in their true relation to line of flight. Requires no power (except for lighting) to operate. Fully TSOd. Installed in many current production aircraft & helicopters. Size: 2-7/8"H x 2-3/8"W x 2-1/8"D. Wt. 0.6 lb. After installing compass must be compensated using standard compensation procedures. Also used in sailplanes.

Note: A mount is required for installation with these unit and is not included. Click here to see mounts webpage.
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Reviews

Cant review it yet, the bracket is on backorder

Randy Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

October 30, 2021

I replace all wet compasses with this in all of our airplanes…

Aviation T Verified Purchase

PRECISION VERTICAL CARD 28V PAI 700 COMPASS N/H

October 14, 2021

Michael Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

October 13, 2021

Raymond Z Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

October 6, 2021

Very happy with the PAI-700, a vast improvement over my old Airpath whisky compass.

Michael D Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

August 22, 2021

Great product at a great price.

Clay J Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

August 11, 2021

I generally love these things. However, Id recommend putting a small dab of silicone grease on the little spur and worm gears underneath, which are driven by the adjustment screws. Otherwise, they are sticky and hard to turn.

Jeffry S Verified Purchase

PRECISION VERTICAL CARD 14V PAI 700 COMPASS N/H

June 2, 2021

This is my second PAI-700. I bought the first one in 2007 and transferred it progressively through 3 gyroplanes. It has always worked perfectly and is responsive enough to keep up with aggressive gyroplane maneuvering. In the last installation it was sitting in the open above the instrument coaming and last year was heavily rained on overnight (after the gyro was left out uncovered thinking it wouldnt rain). Humidity then fogged it up but it still worked. A month ago I ordered a new PAI-700 to replace the fogged one, intending to permanently retire it after a long working life. Within 3 days the new PAI-700 had arrived (to Australia). However, the old compass evidently decided to soldier on, because between the day I ordered the new one and was intending to put it in, the fogging in the old one cleared up. So, now Im keeping the new one as a spare! The only difference between the old and new one are different serial numbers and the dial on the older one is a bit faded compered to the brand new one.

Mark R
February 22, 2021

I installed this, then went flying. Set my DG on the runway heading, and once in the air headed north. I made a small correction to zero the compass on north and did the same on east. All other headings were right on. No other adjustments necessary. I notice it takes a moment to settle on the any new heading. It didnt behave exactly like a DG in that respect, but to set your DG you world be right on.

Doug W
February 3, 2021

I appreciate the professionalism and help from Aircraft Spruce.

John
January 26, 2021

Q&A

Please note, Pilotshop'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. Pilotshop 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.

Q: Can this vertical card compass operate on a tail dragger dash board as the aircraft is not level due to tilt?

Yes, this product is tested with tail dragger tilt in mind from the manufacture and we have had no issues or returns because of it.

Q: Can this compass be mounted in the instrument panel?

It can be, but it is not recommended due to the potential interference from other electrical units in the panel. If interference is detected, Mu-Metal (11-04483), can be used to shield the compass.

Q: My wet compass is 2-1/4" panel mount. If I replaced it with this compass in the panel it appears the green and yellow adjustment screws would be inaccessible. Is that a problem?

This compass is not intented to be mount to the panel and is a bracket mounted compass.

Q: If I insist on panel mounting, what size hole does the PAI 700 fit in?

It will fit a 2-1/4" size hole.

Q: Do you have a correction chart for this compass?

We sell generic compass deviation cards part number 10-01659.

Q: Does a Precision Vertical Card Compass require a power wire (not including one for the light)?

Power only needs to be attaching to light the gauge no power is needed for operation.

Q: Does the light bar come standard with the compass or is it an additional purchase?

You will need to select the voltage version first but yes they all come with internal lighting.

Q: Where does the deviation card mount for the Precision Vertical Card Compass PAI-700?

You may purchase a compass deviation card such as part# 10-01659 and mount it somewhere near the compass.

Q: If I buy the Precision Vertical Card Compass PAI-700 compass for the Northern hemisphere and fly to the Southern hemisphere will the the compass work correctly?

You would encounter errors. In order for a compass to work as intended, you need to fly in the hemisphere the compass was designed for.

Q: Does the Precision PAI-700 vertical card compass require a STC when installed in a certified aircraft?

The PAI-700 is TSO'd for use in certified aircraft. There is no STC available, a logbook entry is all that is required.