Registry / Riemer William V Jr / CHALLENGER II / N673BP

Own N673BP?

Claim ownership to earn the Verified Owner badge on your reviews and to reply to other pilots' feedback.

+ Submit ownership claim →

We won't display your email publicly.

Helpful: bill of sale, registration certificate, insurance dec page. Names are auto-matched too — many claims auto-verify without a document.

Claims auto-verify when your name matches the FAA registrant. Otherwise an admin reviews — usually within 1 business day.

N673BP V

Riemer William V Jr CHALLENGER II · 2008

Pilot & Owner Reviews

Be the first to share what you know about N673BP.

Share your experience with N673BP

Help other pilots, buyers and curious aviators. Reviews appear after a quick admin check.

+ Add detailed ratings (optional)
About your time with N673BP (specific to this airplane — helps other pilots)
Would you fly this airplane again?
Recommended for (pick any)

20–2,000 characters

We won't display your email publicly.

No reviews yet — be the first.

Pilot & Owner Reviews

Own N673BP? Claim ownership to earn the Verified Owner badge on your reviews and to reply to other pilots' feedback.

Flight history & live tracking

ICAO24: a8e704
No flight data on file yet for N673BP.
Queries adsb.lol — works only if N673BP is broadcasting ADS-B right now. Daily sweep at 04:43 MST · external trackers above for guaranteed live data.
📸 Upload a photo of N673BP

We won't display your email publicly.

Up to 10 photos per aircraft per uploader. Photos appear after admin approval.

Aircraft Type — ACFTREF 056196J

Riemer William V Jr CHALLENGER II
Engines: 1
Type: piston
Seats: 2
Category: Standard

Engine — CODE 55568

Manufacturer: Rotax
Model: 503ULDCDI
Type: 2-Cycle Piston
Horsepower: 52 HP

FAA Registration Record

N-Number: N673BP
Serial Number: CH2 0702 2237
Year Manufactured: 2008
ACFTREF Code: 056196J
Engine Code: 55568
Status: V (V)
Certification: 42
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master
Kit Manufacturer: Quad City Ultralight Acft Corp
Kit Model: CHALLENGER II

Transponder / ADS-B

Mode S (octal): 52163404
ICAO 24-bit (hex): A8E704

Registrant

Riemer William V Jr
N5044 Elm Valley Rd
Ogdensburg, WI, 549629608
FAA Region: Central

Key Dates

Certificate Issued Aug 15, 2005
Airworthiness Nov 14, 2008
Expiration Feb 29, 2028
Last Activity Apr 21, 2023
Data as of Jun 8, 2026

Calculate Performance

Calculate density altitude, takeoff roll, and climb performance for a Riemer William V Jr CHALLENGER II at any airport.

Airport Performance Calculator

Pre-filled with CHALLENGER II performance data

Need to ferry this aircraft?

FerryFlight connects you with experienced ferry pilots for domestic and international delivery flights.

Get a Quote