Twin turboprop

N237SL

1987 Beechcraft C-99

Registered No accidents on file
Built
1987
Serial
U237
Class
Twin turboprop
Engines
2 × Pratt & Whitney PT6A series
Status
Current as of October 2026
Registered owner
Alpine Aviation Inc (Corporation)
Based
Provo, UT
Registration record

N237SL on the FAA register

Type
1987 Beechcraft C-99
Serial
U237
Engines
2 × Pratt & Whitney PT6A series
Registered owner
Alpine Aviation Inc
Provo, UT
Certificate issued
2004-04-08
Airworthiness date
2000-11-16
Registration expires
2030-02-28
Airworthiness class
Standard · normal
Mode S (hex)
A2241C
Mode S (octal)
50422034
Seats (type)
17
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-02-28
    Registration expires (renewal due).
  • 2004-04-08
    Certificate of registration issued as N237SL.
  • 2000-11-16
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1987
    Manufactured (1987).
Overview

About N237SL

N237SL is a 1987 Beechcraft C-99, serial number U237. The FAA register lists Alpine Aviation Inc as the registrant in Provo, Utah. The current certificate of registration was issued on April 8, 2004 and expires on February 28, 2030.

The FAA aircraft reference file describes the type as a twin turboprop, two Pratt & Whitney PT6A series engines and 17 seats. Its airworthiness certificate is standard category (normal), dated November 16, 2000.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N237SL.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N237SL.

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

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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.