1975 Grumman AA-1B In Arkansas USA (N1425R) (SOLD)
This 1975 Grumman AA-1B is a light, economical two-seat flyer with a March 2026 annual and several recent upgrades. Highlights include a Plane-Power alternator, newer AWI exhaust, recent attitude indicator and directional gyro, newer tires, and 78/80 compression on all four cylinders at the last annual. An Auto Fuel STC and a package of Garmin, King and uAvionix avionics included with the sale add flexibility and upgrade potential.
Description
Highlights
Annual inspection completed March 24, 2026.
Lycoming O-235-C2C with 629.9 hours since a documented April 2023 top overhaul.
Plane-Power alternator installed in 2026; AWI exhaust system and McFarlane mixture control installed in 2024.
Garmin GTX 327, King KX 155, PS Engineering PM 1000 II and uAvionix ADS-B equipment are photographed separately and reported included with the sale.
Performance
Gross Weight: 1,560 lb
Useful Load: 527lb
Cruise Speed: Approx. 90–100 knots
Range: 450 statute miles at 75% power, 22 gallons/no reserve
Fuel Capacity: 24 gal total / 22 gal usable.
Fuel Burn: Approx. 6.5 GPH
Stall Speed: Approx. 62 mph CAS
Aircraft
Make: Grumman American Aviation Corp.
Model: AA-1B
SN: AA1B-0525
Registration: N1425R
Total Time: 2,558.1 hours
Tach Time: 2,327.8
Hobbs Time: 1,262.1
Date of Annual: March 24, 2026.
Certification / Category: Standard / Utility.
Engine
Make: Lycoming
Model: O-235-C2C
SN: L-12036-15
Total Time: 2,558.1 hours TTE as of March 24, 2026.
Time: 1,695.1 hours SMOH / 629.9 hours STOH
Horsepower: 108 hp at 2,600 RPM
Top Overhaul: April 21, 2023. All cylinders were removed for oil consumption; cylinders were exchanged for an overhauled chrome-bore standard-size set, with new rings, gaskets, seals and associated top-end parts. Cylinders were sent to Sal’s Cylinders.
Compression: 78/80 recorded at the 3/24/2026 inspection
Propeller
Type: Two-blade fixed-pitch propeller visible in current aircraft photos.
Make / Model / SN: INFO?
Time / Overhaul: INFO?
Avionics
Garmin GTX 327 transponder – not installed; included with sale
King KX 155 TSO NAV/COM – not installed; included with sale
PS Engineering PM 1000 II intercom – not installed. included with sale
uAvionix ADS-B tailBeacon – not installed; included with sale
VOR/LOC receiver – not installed; included with sale
Slip/skid indicator – not installed; included with sale
Altimeter – not installed; included with sale
Yaesu Pro-X handheld communications radio
Traditional analog flight and engine instrumentation
ADS-B: No installed ADS-B equipment documented. uAvionix tailBeacon is included with the sale but is not installed
Flight Rules: VFR
IFR Capable / Certified: No
Additional Features / Maintenance
Electrical: Plane-Power alternator (2026), voltage regulator (2023), landing light/lens (2026), new spark plugs (2026).
Systems & Maintenance: Attitude indicator/directional gyro (2026), AWI exhaust/McFarlane mixture control (2024), newer tires (<75 landings), ELT battery replaced (due 2028), left wing sump/brake master line serviced (2026).
Other: Reported Auto Gas STC.
Incident Date(s): 1981 — Seller reports a prop strike. Original logbooks covering this period are lost/destroyed; repair details and supporting documentation have not been verified.
Gaps / Missing Logbooks: Logbooks from 1975–1987 are lost or destroyed.
Replacement logbooks begin January 14, 1988, with prior-owner history reconstructed where possible.
Known Flaws: Main avionics stack partially empty; avionics listed above are photographed separately and included in sale.
Known Corrosion: no corrosion known
Exterior
Cream/off-white exterior with brown, orange and red accent striping and matching tail stripes. 6/10.
Interior
Burgundy/red cloth seating with matching reddish-burgundy carpet/side areas and a black instrument panel. 6/10.
Online auction starts 23rd September, 2026. View full logbooks & additional data online (https://bids.airspaceauctions.com/Listing/979691)
