Twin piston

N7638Y

1965 Piper PA-30 TWIN Comanche

Registered 1 NTSB/FAA record
Built
1965
Serial
30-717
Class
Twin piston
Engines
2 × Lycoming IO-320 series
Status
Current as of October 2026
Registered owner
Scientific Motive Systems Inc (Corporation)
Based
Charlevoix, MI
Registration record

N7638Y on the FAA register

Type
1965 Piper PA-30 TWIN Comanche
Serial
30-717
Engines
2 × Lycoming IO-320 series
Registered owner
Scientific Motive Systems Inc
Charlevoix, MI
Certificate issued
2014-07-21
Airworthiness date
1965-01-18
Registration expires
2027-07-31
Airworthiness class
Standard · normal
Mode S (hex)
AA5034
Mode S (octal)
52450064
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
770 nm
Cruise (type)
169 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-07-31
    Registration expires (renewal due).
  • 2014-07-21
    Certificate of registration issued as N7638Y.
  • 1965-06-26
    Accident at Concord Calif, 05; damage: substantial.
  • 1965-01-18
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N7638Y

N7638Y is a 1965 Piper PA-30 TWIN Comanche, serial number 30-717. The FAA register lists Scientific Motive Systems Inc as the registrant in Charlevoix, Michigan. The current certificate of registration was issued on July 21, 2014 and expires on July 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming IO-320 series engines and 6 seats. Published figures for the type give a cruise speed of about 169 knots and a range of about 770 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated January 18, 1965.

N7638Y has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
169 kt
Range
770 nm
Power / thrust (each)
160
Takeoff over 50 ft
1,570 ft
Landing over 50 ft
1,875 ft
Fuel burn
17 gph

Published figures for the Piper PA-30 TWIN Comanche type. They describe the model, not this airframe's equipment or condition. Piper PA-30 TWIN Comanche specs, prices and for-sale inventory →

Safety record

Accident & incident history

1965-06-26 Accident · Concord Calif, 05 Damage: Substantial NTSB · 3 1524
Reported aircraft: Piper PA-30

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

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Browse: Piper aircraft for sale· Piper PA-30 TWIN Comanche 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.