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N637LN
ROBINSON HELICOPTER COMPANY R44 II
CEDAR CITY, UT
Valid
Mfr Year: 2007
Own This Aircraft? Claim & List For Sale
Registrant
SOUTHERN UTAH UNIVERSITY
Registration Exp
Oct 31, 2029
Airworthiness Date
Mar 6, 2007
Cert Issue Date
Oct 4, 2019
Seats
4
Engines
1
Cruise Speed
0 kts
Max Weight
CLASS 1
Engine Type
Reciprocating
Aircraft Type
Rotorcraft
Fractional
No
Last Activity
Sep 9, 2023

🛠️ Airworthiness Directive Exposure & Fleet Context

This ROBINSON HELICOPTER COMPANY R44 II airframe/engine combination has 47 current type-applicable Airworthiness Directives (41 airframe, 22 engine) and 16 historical. AD applicability is type-based — compliance status for N637LN must be verified against the aircraft maintenance logbooks.

Search FAA DRS for applicable ADs →

N637LN is one of 1,495 ROBINSON HELICOPTER COMPANY R44 II aircraft on the U.S. registry · fleet median year 2008.

⚠️ NTSB Accident & Incident Records

No NTSB accident or incident records found for N637LN in the NTSB aviation accident database.

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External Research Links

Airworthiness Directives (ADs)
Search FAA DRS for ADs — filter by Model: R44 II
Search FAA DRS →
Title & Lien History
Bills of sale, liens & security agreements — search N637LN (free FAA account)
Open FAA CARES →
NTSB Full Database
Deep search NTSB CAROL — enter N637LN in Registration Number
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Aviation Weather
METAR, TAF, winds aloft & radar — official FAA weather service
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FAA Registry (Official)
Official FAA record for N637LN — authoritative government source
Open FAA Registry →

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Data sourced from FAA Aircraft Registry · Updated daily · Look up another N-Number