Registry / Robertson / R1U1 / N42MR

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N42MR V

Robertson R1U1 · 1971 · Usysses, KS

This aircraft — FAA registration facts

N42MR is a 1971 Robertson R1U1 (serial 529-42-2453), registered to Neidert Melvin E (co-owner) in Usysses, KS. Its FAA registration is recorded as v and expires January 2030; the airworthiness certificate dates from June 1981 (45 years ago). It carries a Franklin 4A235 SERIES engine rated at 135 hp. Its Mode-S transponder broadcasts the ICAO 24-bit address A4FA69. Neidert Melvin E holds 11 aircraft on the registry.

Registered owner
Neidert Melvin E
Owner type
Co-Owner
Based in
Usysses, KS
Serial number
529-42-2453
Year built
1971 · 55 yrs old
Airworthiness class
42
FAA status
V
Mode-S / ICAO24
A4FA69 · 51175151 octal
Certificate issued
Apr 24, 2002
Airworthiness date
Jun 12, 1981
Last FAA activity
Sep 30, 2023
Registration expires
Jan 31, 2030
FAA region
3

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
Franklin 4A235 SERIES
Engine type
Reciprocating (Piston)
Rated power
135 hp
Power per seat
68 hp
FAA engine code
27011

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N42MR

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Flight history & live tracking

ICAO24: a4fa69
No flight data on file yet for N42MR.
Queries adsb.lol — works only if N42MR is broadcasting ADS-B right now. Daily sweep at 04:43 MST · external trackers above for guaranteed live data.
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Aircraft Type — ACFTREF 0562021

Robertson R1U1
Engines: 1
Type: piston
Seats: 2
Cruise: 74 KTAS
Category: Standard

Engine — CODE 27011

Manufacturer: Franklin
Model: 4A235 SERIES
Type: Reciprocating (Piston)
Horsepower: 135 HP

FAA Registration Record

N-Number: N42MR
Serial Number: 529-42-2453
Year Manufactured: 1971
ACFTREF Code: 0562021
Engine Code: 27011
Status: V (V)
Certification: 42
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master

Transponder / ADS-B

Mode S (octal): 51175151
ICAO 24-bit (hex): A4FA69

Registrant

Neidert Melvin E
Co-Owner
View all 11 aircraft registered to this owner →
3850 W Road 8
Usysses, KS, 67880
FAA Region: 3
Additional Names
NEIDERT DARLA D

Key Dates

Certificate Issued Apr 24, 2002
Airworthiness Jun 12, 1981
Expiration Jan 31, 2030
Last Activity Sep 30, 2023
Data as of Oct 5, 2026

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