Twin piston

N7770X

1960 Beechcraft H50

Registered No accidents on file
Built
1960
Serial
HH-139
Class
Twin piston
Engines
2 × Lycoming GSO&IGSO-480
Status
Current as of October 2026
Registered owner
T Bone Air LLC (LLC)
Based
Missoula, MT
Registration record

N7770X on the FAA register

Type
1960 Beechcraft H50
Serial
HH-139
Engines
2 × Lycoming GSO&IGSO-480
Registered owner
T Bone Air LLC
Missoula, MT
Certificate issued
2011-07-13
Airworthiness date
1992-01-24
Registration expires
2027-07-31
Airworthiness class
Standard · normal
Mode S (hex)
AA8576
Mode S (octal)
52502566
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
870 nm
Status
Current as of October 2026
Registry history

Timeline

  • 2027-07-31
    Registration expires (renewal due).
  • 2011-07-13
    Certificate of registration issued as N7770X to the current registrant.
  • 1992-01-24
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1961-01-24
    N7770X previously assigned to a Cessna 172B Skyhawk (s/n 17248270); cancelled.
  • 1960
    Manufactured (1960).
Overview

About N7770X

N7770X is a 1960 Beechcraft H50, serial number HH-139. The FAA register lists T Bone Air LLC as the registrant in Missoula, Montana. The current certificate of registration was issued on July 13, 2011 and expires on July 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming GSO&IGSO-480 engines and 6 seats. Published figures for the type give a range of about 870 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated January 24, 1992.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N7770X.

Range
870 nm

Published figures for the Beechcraft H50 type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N7770X.

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.