337 Aviation Form
Use a 337 Aviation Form 2006 template to make your document workflow more streamlined.
What 337 Aviation Form is
337 Aviation Form is the FAA record used to document a major repair or major alteration to an aircraft. It records the aircraft identification, owner information, description of the work, and approval or return-to-service information required by the applicable aviation rules. In a signNow workflow, a prepared Form 337 PDF is uploaded, fields are reviewed, and signature or date fields are assigned to authorized participants. The completed document and audit trail can then be stored together for controlled recordkeeping. Technical compliance remains the responsibility of the qualified aviation personnel and applicable FAA requirements.
Who uses 337 Aviation Form
Maintenance organizations
Aircraft maintenance organizations can prepare Form 337 records for major repairs or alterations, route them to authorized personnel, and preserve the signed PDF with its audit trail. The workflow separates document completion from technical approval while reducing paper handling for maintenance-record administration.
Aircraft stakeholders
Aircraft owners, operators, and repair personnel can use signNow to exchange a prepared Form 337 when signatures are required. The document should identify the aircraft and work accurately; signNow manages routing, signer authentication, completion evidence, and controlled access to the resulting record.
Who benefits from Form 337 workflows
Form 337 workflows are most useful where aircraft maintenance records move among authorized personnel, operators, owners, and administrative teams.
Aircraft maintenance organizations can route prepared Form 337 records between technicians, inspectors, owners, and administrators while preserving signer evidence and controlled access. Aircraft operators can collect completed major repair or alteration records remotely, then organize the signed PDF and audit trail within established records procedures. Maintenance administrators can use templates and delegated sending for recurring Form 337 workflows, while reviewing aircraft-specific details before each document is sent.
These tasks are executed by both individual contributors and centralized administrators depending on organizational policy and required controls.
How 337 Aviation Form works
Complete the aircraft record, prepare its required approvals, and use signNow to route, authenticate, sign, and retain the final document.
Upload form: Upload the completed FAA Form 337 PDF to signNow. Check fields: Review detected fields and add missing signature or date fields. Send securely: Send the form to the responsible maintenance signer. Archive record: Store the completed record with its audit trail.
Complete 337 Aviation Form online
Use this sequence to prepare, route, and retain an electronically signed aircraft repair or alteration record.
Upload form:
Upload the FAA Form 337 PDF. Check details:
Confirm aircraft, owner, and work details. Add fields:
Add required signer and date fields. Send document:
Send the prepared record for signature.
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Ways to send and sign Form 337
- Use the signNow web app when preparing the FAA Form 337 on a desktop, checking aircraft-specific fields, and assigning recipients before sending.
- Use the signNow mobile app when authorized maintenance personnel need to review or sign the prepared Form 337 from an iOS or Android device.
- Use kiosk mode when a controlled, on-site signing station is appropriate for an authorized participant reviewing the same prepared aircraft record.
- Use a shareable signing link only when recipient access is controlled and the Form 337 does not expose it to unintended parties.
What the Form 337 audit trail records
The audit trail documents execution evidence around the aircraft record without replacing the technical information or approvals required on Form 337.
Authenticate signer:
Timestamp actions:
Track document history:
Seal record:
Capture audit trail:
Export evidence:
Find and fill out the correct 337 aviation form
airSlate SignNow helps you fill in and sign documents in minutes, error-free. Choose the correct version of the editable PDF form from the list and get started filling it out.
| Versions | Form popularity | Fillable & printable |
|---|---|---|
| FAA 337 *2006 2006 | 4.8 Satisfied (6019 Votes) | |
| FAA 337 *2006 1988 | 4.8 Satisfied (2561 Votes) |
Recommended Form 337 workflow setup
Configure signer access, evidence capture, and secure storage around the aircraft record’s approval and maintenance context.
| Setting | Recommendation |
|---|---|
| Authentication and provisioning | Require verified signers and controlled administrator access |
| Signature type | Use a traceable electronic signature field |
| Audit trail | Retain the completed certificate of completion |
| Document retention | Follow applicable FAA maintenance-record requirements |
| Encryption | Use TLS 1.2/1.3 and AES-256 protection |
Mobile options for Form 337
Maintenance personnel can use signNow mobile apps on iOS and Android to review and sign prepared Form 337 records. The workflow can include offline signing and camera-based document capture when a paper source must be digitized before routing.
Mobile apps iOS and Android signNow apps Offline signing Offline signing supported in signNow Camera capture Camera capture for source documents
Mobile access can help maintenance teams handle aircraft records away from an office, but the captured document must remain legible and complete. Use managed devices, controlled access, and the resulting audit trail when the Form 337 moves between maintenance personnel, owners, and other authorized recipients.
Signer security for Form 337
Signer identity:
Two-factor authentication:
Identity verification:
Digital certificates:
Certificate evidence:
Audit evidence:
Privacy and disclosure pitfalls
Uploading an unsigned or outdated Form 337 can expose incomplete aircraft data and create uncertainty about which record version was reviewed. Sending Form 337 to the wrong recipient may disclose aircraft ownership, maintenance, or operational information beyond the intended workflow. Failing to capture signer consent for electronic records can weaken evidence that the signer intended to execute the Form 337 electronically. Giving broad administrator access can allow unauthorized changes to routing, templates, or stored aircraft records.
The legal value of Form 337 records
A completed FAA Form 337 creates a documented record of an aircraft major repair or alteration, while signNow can provide signer attribution, timestamps, and an audit trail. ESIGN and applicable state UETA laws generally support electronic records when intent, consent, attribution, and reproducible retention are established; FAA requirements still govern the underlying aviation record.
Troubleshooting 337 Aviation Form workflows
Resolve routing, authentication, plan, and record-integrity questions before treating a signed Form 337 as complete.
signNow Business includes templates, mobile apps, audit trails, and legally binding eSignatures. Upload the FAA Form 337 PDF, place fields where required, and verify the final record before sending. The Business plan is listed at $8 per user per month with annual billing.
The Business Premium plan adds bulk send, but bulk processing is useful only when each FAA Form 337 has been reviewed for aircraft-specific accuracy. Do not use bulk sending to copy aircraft registration, work descriptions, or approval information between unrelated records.
signNow supports audit trails and is listed as ESIGN and UETA compliant. Those frameworks address electronic-signature records, but FAA acceptance and maintenance-record obligations still depend on the applicable Federal Aviation Regulations and the completed Form 337 content.
Use signNow signer authentication, including SMS-based verification where configured, to help attribute the signature. Authentication does not correct missing aircraft identifiers, incomplete work descriptions, or absent technical approvals on the FAA Form 337 itself.
The Business plan includes 100 signature invites per user per year, with overage fees described in the pricing guidance. If a maintenance organization expects higher volume, review Business Premium, Enterprise, or Site License terms before routing records.
signNow encrypts data in transit with TLS 1.2/1.3 and at rest with AES-256, and its security information lists SOC 2 Type II and ISO 27001. Encryption protects the stored record; it does not establish that the repair or alteration is technically approved.
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