CHRONOMETER (P/N at420100) - As Removed
P/N: at420100
Category: Flight Instruments
Flat-rate shipping. Choose Ground or a faster service at checkout.
Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.
Available Inventory
| Condition | Price | Stock |
|---|---|---|
| As Removed | $95.00 | 5 Available |
Product Description
The at420100 is an aircraft chronometer for cockpit timing during IFR approaches, holds, and flight intervals. This dedicated timepiece displays hours, minutes, and seconds to meet 14 CFR 91.205(d)(6) clock requirements for instrument flight operations. Mounted on the instrument panel, it provides precise time reference for procedure timing and maintenance logging.
Installation follows the applicable aircraft maintenance manual specifications. Essential for pilots conducting timed turns, holding patterns, and approach procedures where accurate elapsed time tracking is critical.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the CHRONOMETER (P/N at420100)?
The at420100 is an aircraft chronometer for cockpit timing during IFR approaches, holds, and flight intervals. This dedicated timepiece displays hours, minutes, and seconds to meet 14 CFR 91.
Is the at420100 calibrated and ready to install?
Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The CHRONOMETER is available in: As Removed. Contact us to confirm calibration status for your selected condition.
Can the at420100 be used as a direct replacement in my aircraft?
The CHRONOMETER is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.
Do you offer instrument exchange programs for the at420100?
Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the at420100.
Related Flight Instruments
- GYRO – P/N 705-7-v43
- PITOT TUBE LH – P/N ph1100-1-l
- COVER-PITOT STATIC DRAIN – P/N 35507-000
- ALTIMETER – P/N 5934P-3
- DUAL STATIC PORT – P/N 100442-107
- AMMETER KIT SEE SSL406 C4519 – P/N 79362-000
- DUAL MANIFOLD PRESSURE GUAGE – P/N 6020-60104
- AMMETER – P/N 152la30
- COMPASS – P/N c-2200-l4-b
- PC12 SB 34-041 PITOT LINE KIT – P/N 500.50.12.352
- ELECTRIC CLOCK – P/N d1-312-5036
- COMPASS – P/N 12451-001