Twin turboprop

N998LM

1980 Piper Cheyenne II

Registered No accidents on file
Built
1980
Serial
31T-8120006
Class
Twin turboprop
Engines
2 × P & W PT6A-28
Status
Current as of October 2026
Registered owner
Armstrong Airlines Inc (Corporation)
Based
Dover, DE
What's N998LM worth? Track flights
Registration record

N998LM on the FAA register

Type
1980 Piper Cheyenne II (FAA: Piper PA-31T)
Serial
31T-8120006
Engines
2 × P & W PT6A-28
Registered owner
Armstrong Airlines Inc
Dover, DE
Certificate issued
2008-05-28
Airworthiness date
1980-10-24
Registration expires
2027-06-30
Airworthiness class
Standard · normal
Mode S (hex)
ADF161
Mode S (octal)
53370541
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
1,150 nm
Cruise (type)
245 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2008-05-28
    Certificate of registration issued as N998LM.
  • 1980-10-24
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N998LM

N998LM is a 1980 Piper Cheyenne II (FAA model PA-31T), serial number 31T-8120006. The FAA register lists Armstrong Airlines Inc as the registrant in Dover, Delaware. The current certificate of registration was issued on May 28, 2008 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a twin turboprop, two P & W PT6A-28 engines and 8 seats. Published figures for the type give a cruise speed of about 245 knots and a range of about 1,150 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated October 24, 1980.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N998LM.

Cruise
245 kt
Range
1,150 nm
Power / thrust (each)
620
Takeoff over 50 ft
1,980 ft
Landing over 50 ft
2,480 ft
Fuel burn
95 gph

Published figures for the Piper Cheyenne II type. They describe the model, not this airframe's equipment or condition. Piper Cheyenne II 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 N998LM.

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

Same model

More Piper Cheyenne II aircraft

N154CA
1980 Piper Cheyenne II
N294ZP
1980 Piper Cheyenne II
N302TA
1980 Piper Cheyenne II
N455MM
1980 Piper Cheyenne II
N528CH
1980 Piper Cheyenne II
N65BA
1980 Piper Cheyenne II
N83CA
1980 Piper Cheyenne II
N108UC
1979 Piper Cheyenne II
All 87 Piper Cheyenne II registrations →
Same state

Other aircraft registered in Delaware

N9988N
Cessna 180
N998GC
2010 Embraer EMB-505
N998GM
2008 Homebuilt Vans RV-8
N9993R
1979 Piper Navajo Chieftain
N9994G
Homebuilt Christen Eagle II
N99956
Ercoupe 415-C
All 10,965 aircraft registered in Delaware →
Similar aircraft

Other twin turboprops on the register

  • N1420V1979 Commander 690B
  • N108EB1980 Beechcraft KING Air B100
  • N158J2007 Beechcraft KING Air C90GTX
  • N106SX1981 Beechcraft C-99
  • N370AE1982 Fairchild Metro III
  • N5854R2000 Piaggio P-180 Avanti II
More from Piper

Piper models on the register

Own N998LM?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Piper aircraft for sale· Piper Cheyenne II overview· Aircraft registered in Delaware· 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.