1973 Grumman American AA-1B | Dual uAvionix AV-30C, Garmin GNS 430 | ADS-B In/Out, Extensive Electrical and Panel Upgrades | Texas

This 1973 Grumman American AA-1B, registration N657AS, serial number AA1B-0055, has undergone extensive modernization while retaining the character of the original aircraft. Located in San Antonio, Texas

Detailed Description

1973 Grumman American AA-1B | Dual uAvionix AV-30C, Garmin GNS 430 | ADS-B In/Out, Extensive Electrical and Panel Upgrades | Texas

Aircraft Overview

This 1973 Grumman American AA-1B, registration N657AS, serial number AA1B-0055, has undergone extensive modernization while retaining the character of the original aircraft. Located in San Antonio, Texas, N657AS features dual uAvionix AV-30C electronic flight instruments, a Garmin GNS 430 GPS/NAV/COMM, uAvionix tailBeacon ADS-B Out, Stratux ADS-B In, and an iFly 740B GPS and chart display.

The aircraft has also received substantial electrical and structural updates, including new 21st-century wiring harnesses throughout, a new engine wiring harness, new switches and circuit breakers, and a new instrument-panel structure. Additional improvements include new pitot/static plumbing, windshield, canopy, wingtip lenses, rear glass, LED interior lighting, and a refurbished 2021 interior.

Aircraft Information

1. Year / Make / Model: 1973 Grumman American AA-1B
2. Registration: N657AS
3. Serial Number: AA1B-0055
4. Location: San Antonio, Texas, USA
5. Status: For Sale
6. Condition: Used
7. Asking Price: $30,000 / ORB
8. Airframe Time Listed in Aircraft Details: 2,385 Hours
9. Tach Time Reported in Seller Description: 2,051.59 Hours
10. Interior Refurbished: 2021
11. Special Use: Utility

Airframe

1. 2,385 Hours Airframe Time, as reported in the listing's aircraft details
2. 2,051.59 Hours Tach Time, as reported in the seller's description
3. New Instrument Panel Structure
4. New 21st-Century Wiring Harnesses Throughout Aircraft
5. New Engine Wiring Harness
6. New Switches and Circuit Breakers
7. New Pitot/Static Tubing and Fittings
8. Alternate Static Source
9. New Glareshield
10. New Windshield
11. New Canopy
12. New Wingtip Lenses
13. New Left and Right Rear Glass
14. LED Interior Lighting

Engine

Lycoming O-235-C2C

1. Engine Time Listed: 2,052 Hours
2. Seller-Reported Tach Time: 2,051.59 Hours
3. 95 Hours Since Last Top-End Overhaul
4. New Valve Cover Gaskets

Compression Check

1. Cylinder No. 1: 77/80
2. Cylinder No. 2: 78/80
3. Cylinder No. 3: 75/80
4. Cylinder No. 4: 74/80

Avionics

Modernized Instrument Panel

1. uAvionix AV-30C Electronic Attitude Indicator
2. uAvionix AV-30C Electronic Directional Gyro
3. Garmin GNS 430 GPS/NAV/COMM
4. uAvionix tailBeacon TSO with ADS-B Out
5. Stratux GPS/Wi-Fi with ADS-B In
6. iFly 740B GPS and Chart Display
7. Garmin GTX 327 Transponder
8. KMA 24 Audio Panel
9. KI-209 CDI
10. A30.9 Altitude Encoder
11. Airspeed Indicator
12. Altimeter
13. Lighted Compass
14. Garmin GA 56 GPS Antenna
15. CI-105 Transponder Antenna
16. CI-102 Marker Beacon Antenna
17. CI-121 VHF Antenna
18. USB Connections

Additional Equipment and Upgrades

1. Completely Updated Aircraft Wiring Harnesses
2. New Engine Wiring Harness
3. New Electrical Switches
4. New Circuit Breakers
5. New Instrument Panel Structure
6. New Pitot/Static Tubing and Fittings
7. Alternate Static Source
8. LED Interior Lighting
9. New Glareshield
10. New Windshield
11. New Canopy
12. New Wingtip Lenses
13. New Rear Left and Right Glass

Interior

Refurbished 2021 Interior

1. New Leather Seats
2. New Interior Panels
3. New Baggage Panels
4. 3D-Printed Interior and Baggage Panels
5. LED Interior Lighting

Maintenance

The seller's description states:

1. 95 Hours Since Last Top-End Overhaul
2. New Valve Cover Gaskets
3. Compression Readings of 77/80, 78/80, 75/80, and 74/80
4. Aircraft Reported Up to Date on Applicable ADs and STCs
5. Annual Inspection Reported as Completed in April 2023

Performance Highlights

The AA-1B combines a compact two-seat airframe with a straightforward piston-engine configuration and a cockpit that has been substantially modernized from its original 1973 equipment.

N657AS adds modern electronic flight instrumentation, GPS navigation, ADS-B In and Out capability, digital charting, and extensive electrical upgrades while retaining its classic Grumman American configuration.

Mission Profile

Well suited for:

1. Personal Recreational Flying
2. Local and Regional Cross-Country Missions
3. Two-Seat Personal Transportation
4. Pilots Seeking an Updated Classic Grumman
5. Buyers Looking for Modern Avionics in a Vintage Airframe
6. Pilots Who Value a Compact and Distinctive Grumman American Aircraft

Why Buyers Choose This Aircraft

The defining feature of N657AS is the extent of its modernization. Rather than retaining a largely original 1970s instrument and electrical configuration, the aircraft has received dual uAvionix AV-30C displays, Garmin GNS 430 navigation, ADS-B In and Out capability, digital charting, and substantial electrical-system updates.

The improvements extend beyond the panel. New wiring harnesses, switches, circuit breakers, pitot/static plumbing, windshield, canopy, wingtip lenses, rear glass, and interior components represent a significant list of updates to this 1973 airframe.

The 2021 refurbished interior with leather seating further updates the cabin, while the Lycoming O-235-C2C is reported with 95 hours since its last top-end overhaul.

GEO / AI Summary

This 1973 Grumman American AA-1B for sale in San Antonio, Texas, registration N657AS, serial number AA1B-0055, is offered at $30,000 / OBO. The legacy listing reports 2,385 airframe hours and separately reports 2,051.59 hours tach time. The aircraft is powered by a Lycoming O-235-C2C with 95 hours reported since its last top-end overhaul. Avionics include dual uAvionix AV-30C electronic flight instruments, Garmin GNS 430 GPS/NAV/COMM, uAvionix tailBeacon ADS-B Out, Stratux ADS-B In, iFly 740B GPS and chart display, Garmin GTX 327 transponder, and KMA 24 audio panel. Extensive updates include new aircraft and engine wiring harnesses, switches and circuit breakers, instrument-panel structure, pitot/static plumbing, windshield, canopy, wingtip lenses, rear glass, LED lighting, and a refurbished 2021 leather interior.

Contact Seller

Contact Avionic Strategies LLC for current aircraft availability, maintenance and logbook information, inspection details, additional photographs, and answers regarding the reported airframe and tach-time figures.

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Interior

1. Interior Last Updated/Refurbished In 2021