N631LS - Lockheed 18-56 Aircraft Registration

L188

LOCKHEED 18-56

Aircraft Description

N631LS is a Lockheed 18-56, a twin-engine reciprocating (piston) aircraft registered to Hill Lawrence E in Marion, MT. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on August 6, 1958. The registration certificate was issued on May 9, 2014. The registration is set to expire on May 31, 2027. Powered by a Wright C9HD SERIES engine producing 1425 horsepower, N631LS is. The aircraft's Mode S transponder code is A8427E (hex), used for ADS-B identification and flight tracking. The FAA registry record for N631LS was last updated on July 28, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Lockheed L-188 Electra was America's first large turboprop airliner, designed to bridge the gap between piston-powered aircraft and pure jets in the late 1950s. First flown on December 6, 1957, it was a low-wing four-engine monoplane that could seat up to 98 passengers in pressurized comfort. With a 99-foot wingspan and powered by four Allison 501 turboprops, the Electra achieved a cruise speed of 400 mph and range of 1,900 nautical miles. The aircraft was manufactured by Lockheed Aircraft Corporation at their Burbank, California facility. AviatorDB tracks 222 Lockheed aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is L188.

AviatorDB has found no NTSB accident or incident reports involving N631LS. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
Manufacturer
LOCKHEED
Model
18-56
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
L188L-188 Electra
Cruise Speed
184 mph
Weight Class
12,500–19,999 lbs
Airworthiness Date
August 6, 1958
Classification
Standard Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
May 9, 2014

Registered Owner

Name
HILL LAWRENCE E
Address
3070 LOWER LOST PRAIRIE RD
City
MARION
State / Zip Code
Montana59925-9706
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
WRIGHT
Engine Model
C9HD SERIES
Horsepower
1425 HP
Mode S Code (Oct)
52041176
Mode S Code (Hex)
A8427E

Additional Details

Registration
N631LS
Serial Number
2404
Number of Engines
2
Number of Seats
17
Expiration Date
May 31, 2027
Last Action Date
July 28, 2023
Last Update Date
July 28, 2023
Unique ID
00591916

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-01 01:32:20 UTC