Glider

N99809

1975 Homebuilt RF5B Sperber

Registered No accidents on file
Built
1975
Serial
51060
Class
Glider
Engines
Limbach 1700E
Status
Current as of October 2026
Registered owner
N99809 LLC (LLC)
Based
Boulder, CO
Registration record

N99809 on the FAA register

Type
1975 Homebuilt RF5B Sperber
Serial
51060
Engines
Limbach 1700E
Registered owner
N99809 LLC
Boulder, CO
Certificate issued
2025-08-04
Airworthiness date
1978-05-18
Registration expires
2032-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
ADF2D5
Mode S (octal)
53371325
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-08-31
    Registration expires (renewal due).
  • 2025-08-04
    Certificate of registration issued as N99809.
  • 1978-05-18
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1975
    Manufactured (1975).
Overview

About N99809

N99809 is a 1975 Homebuilt RF5B Sperber, serial number 51060. The FAA register lists N99809 LLC as the registrant in Boulder, Colorado. The current certificate of registration was issued on August 4, 2025 and expires on August 31, 2032.

The FAA aircraft reference file describes the type as a glider, one Limbach 1700E engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 18, 1978.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N99809.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N99809.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in Colorado· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.