Twin turboprop

N78TT

1978 Commander 690B

Registered No accidents on file
Built
1978
Serial
11509
Class
Twin turboprop
Engines
2 × Alliedsign TPE331-10T
Status
Current as of October 2026
Registered owner
Cove Pointe Air LLC (LLC)
Based
Adrian, MI
What's N78TT worth? Track flights
1978 Commander 690B
Representative photo of a Commander 690B. Not a photo of N78TT.
Registration record

N78TT on the FAA register

Type
1978 Commander 690B
Serial
11509
Engines
2 × Alliedsign TPE331-10T
Registered owner
Cove Pointe Air LLC
Adrian, MI
Certificate issued
2021-10-20
Airworthiness date
2008-03-13
Registration expires
2028-10-31
Airworthiness class
Standard · normal
Mode S (hex)
AA8FE8
Mode S (octal)
52507750
Seats (type)
11
Weight class
up to 12,499 lb
Range (type)
1,100 nm
Cruise (type)
279 kt
Status
Current as of October 2026
Market asking range
$456,250 to $778,750
Middle half of 4 live Commander 690B listings, 1978–1979 models (median $617,500). Asking prices, not an appraisal of N78TT.
Registry history

Timeline

  • 2028-10-31
    Registration expires (renewal due).
  • 2021-10-20
    Certificate of registration issued as N78TT.
  • 2008-03-13
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1978
    Manufactured (1978).
Overview

About N78TT

N78TT is a 1978 Commander 690B, serial number 11509. The FAA register lists Cove Pointe Air LLC as the registrant in Adrian, Michigan. The current certificate of registration was issued on October 20, 2021 and expires on October 31, 2028.

The FAA aircraft reference file describes the type as a twin turboprop, two Alliedsign TPE331-10T engines and 11 seats. Published figures for the type give a cruise speed of about 279 knots and a range of about 1,100 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated March 13, 2008.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N78TT.

Cruise
279 kt
Range
1,100 nm
Takeoff over 50 ft
1,458 ft
Landing over 50 ft
3,417 ft
Fuel burn
26 gph

Published figures for the Commander 690B type. They describe the model, not this airframe's equipment or condition. Commander 690B specs, prices and for-sale inventory →

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N78TT.

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

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Browse: Commander aircraft for sale· Commander 690B overview· Aircraft registered in Michigan· 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.