N904BF - Ramsdell Willis RV4 Aircraft Registration

RV4

RAMSDELL WILLIS RV4

Aircraft Description

N904BF is a Ramsdell Willis RV4, a single-engine reciprocating (piston) aircraft registered to Grandbear Air LLC in Mountain Green, UT. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 23, 2008. The registration certificate was issued on May 5, 2021. The registration is set to expire on May 31, 2028. Powered by a Cont Motor IO-360-A engine producing 210 horsepower, N904BF is. The aircraft's Mode S transponder code is AC7E27 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N904BF was last updated on May 12, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Ramsdell Willis is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Ramsdell Willis aircraft currently registered in the FAA database, including the RV4 model.

AviatorDB has found no NTSB accident or incident reports involving N904BF. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
Manufacturer
RAMSDELL WILLIS
Model
RV4
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
RV4RV-4
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 23, 2008
Classification
Experimental 2 Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
May 5, 2021

Registered Owner

Name
GRANDBEAR AIR LLC
Address
3662 QUAIL POINT RD
City
MOUNTAIN GREEN
State / Zip Code
Utah84050-9349
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
CONT MOTOR
Engine Model
IO-360-A
Horsepower
210 HP
Mode S Code (Oct)
53077047
Mode S Code (Hex)
AC7E27

Additional Details

Registration
N904BF
Serial Number
3630
Number of Engines
1
Number of Seats
2
Expiration Date
May 31, 2028
Last Action Date
May 12, 2023
Last Update Date
January 19, 2026
Unique ID
00110229

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC